{
  "attribution": {
    "source": "legal.exploreworldai.com",
    "canonical": "https://legal.exploreworldai.com/api/public/v1/judgment-text?id=us:calctapp-b344951-2026-08-24",
    "cite_as": "NovaCopilot, legal.exploreworldai.com (https://legal.exploreworldai.com/api/public/v1/judgment-text?id=us:calctapp-b344951-2026-08-24)",
    "license": "https://legal.exploreworldai.com/revision",
    "version": "legal-2026-10-10",
    "fingerprint": "ewai:us:e7268f",
    "proof": "sha256:ac66343aec122113692cfd0cb6d1d5500e03f1fdf0e9c947492b39413ce07d90",
    "jurisdiction": "us",
    "lang": "en",
    "publisher": "NovaCopilot by ExploreWorld Legal",
    "terms": "https://legal.exploreworldai.com/om"
  },
  "brand_source": "Source: NovaCopilot",
  "item": {
    "schema_version": "1.0.0",
    "id": "us:calctapp-b344951-2026-08-24",
    "jurisdiction": "us",
    "lang": "en",
    "brand_source": "Source: NovaCopilot",
    "brand": {
      "product": "NovaCopilot",
      "platform": "ExploreWorldAI",
      "infrastructure": "ExploreWorld Legal",
      "infrastructure_url": "legal.exploreworldai.com",
      "legal_entity": "Valkiv Ventures AB",
      "permanent_url": "https://legal.exploreworldai.com/novacopilot",
      "source": "Source: NovaCopilot",
      "powered_by": "Powered by NovaCopilot",
      "license": "https://legal.exploreworldai.com/licensvillkor"
    },
    "sections": [
      {
        "title": "Filed 7/24/26; Certified for Publication 8/24/26 (order attached)",
        "paragraphs": []
      },
      {
        "title": "IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA",
        "paragraphs": []
      },
      {
        "title": "SECOND APPELLATE DISTRICT",
        "paragraphs": []
      },
      {
        "title": "DIVISION THREE",
        "paragraphs": [
          "para_5",
          "para_6",
          "para_7"
        ]
      },
      {
        "title": "ADVENTIST HEALTH SYSTEM/",
        "paragraphs": [
          "para_9",
          "para_10"
        ]
      },
      {
        "title": "B344951",
        "paragraphs": []
      },
      {
        "title": "Los Angeles County",
        "paragraphs": [
          "para_13"
        ]
      },
      {
        "title": "22STCV36304",
        "paragraphs": []
      },
      {
        "title": "APPEAL from an order of the Superior Court of",
        "paragraphs": [
          "para_16",
          "para_17",
          "para_18"
        ]
      },
      {
        "title": "Chapman, Amy E. Tabor; Ahmad, Zavitsanos & Mensing, Foster",
        "paragraphs": [
          "para_20"
        ]
      },
      {
        "title": "MaryBeth LippSmith and Jaclyn L. Anderson for Plaintiffs",
        "paragraphs": [
          "para_22",
          "para_23"
        ]
      },
      {
        "title": "Chinn-Liu for Defendant and Respondent",
        "paragraphs": [
          "para_25"
        ]
      },
      {
        "title": "2",
        "paragraphs": []
      },
      {
        "title": "Plaintiffs—four Does who are or were patients of defendant",
        "paragraphs": []
      },
      {
        "title": "Adventist Health System/West (Adventist)—brought this",
        "paragraphs": [
          "para_29",
          "para_30"
        ]
      },
      {
        "title": "Act (CIPA) (Pen. Code, §§ 630 et seq.)1 and the California",
        "paragraphs": []
      },
      {
        "title": "Confidentiality of Medical Information Act (CMIA). Plaintiffs",
        "paragraphs": [
          "para_33",
          "para_34",
          "para_35",
          "para_36",
          "para_37",
          "para_38",
          "para_39",
          "para_40",
          "para_41",
          "para_42",
          "para_43"
        ]
      },
      {
        "title": "Plaintiffs sought to certify a class consisting of Adventist",
        "paragraphs": [
          "para_45"
        ]
      },
      {
        "title": "November 16, 2017 to April 30, 2024—“used the Adventist",
        "paragraphs": [
          "para_47",
          "para_48",
          "para_49",
          "para_50"
        ]
      },
      {
        "title": "Only two subclasses are relevant to this appeal: (1) the patient",
        "paragraphs": [
          "para_52",
          "para_53",
          "para_54"
        ]
      },
      {
        "title": "3",
        "paragraphs": [
          "para_56",
          "para_57",
          "para_58"
        ]
      },
      {
        "title": "Plaintiffs appeal from the trial court’s denial of class certification",
        "paragraphs": [
          "para_60",
          "para_61"
        ]
      },
      {
        "title": "(1) the patient portal class was ascertainable, (2) common issues",
        "paragraphs": [
          "para_63"
        ]
      },
      {
        "title": "(3) the superiority and manageability of a class action. The",
        "paragraphs": [
          "para_65",
          "para_66"
        ]
      },
      {
        "title": "The court primarily reasoned that determining whether",
        "paragraphs": [
          "para_68",
          "para_69",
          "para_70",
          "para_71",
          "para_72",
          "para_73",
          "para_74"
        ]
      },
      {
        "title": "Plaintiffs challenge the rulings, arguing the undisputed record",
        "paragraphs": [
          "para_76",
          "para_77",
          "para_78",
          "para_79",
          "para_80",
          "para_81",
          "para_82"
        ]
      },
      {
        "title": "HRA form subclass and partially reverse as to the patient portal",
        "paragraphs": [
          "para_84"
        ]
      },
      {
        "title": "4",
        "paragraphs": []
      },
      {
        "title": "BACKGROUND",
        "paragraphs": []
      },
      {
        "title": "1. Background on tracking technologies2",
        "paragraphs": []
      },
      {
        "title": "A web browser communicates with a website’s servers to",
        "paragraphs": [
          "para_89"
        ]
      },
      {
        "title": "To do so, the web browser sends HTTP (hypertext transfer",
        "paragraphs": [
          "para_91"
        ]
      },
      {
        "title": "The HTTP request “contains an IP address, which [is] an",
        "paragraphs": [
          "para_93",
          "para_94",
          "para_95",
          "para_96",
          "para_97",
          "para_98",
          "para_99",
          "para_100",
          "para_101",
          "para_102",
          "para_103",
          "para_104",
          "para_105",
          "para_106",
          "para_107",
          "para_108"
        ]
      },
      {
        "title": "2 We glean most of this background from the report of",
        "paragraphs": [
          "para_110",
          "para_111"
        ]
      },
      {
        "title": "3 The first HTTP request sent “is typically for the Hypertext",
        "paragraphs": []
      },
      {
        "title": "Markup Language (HTML) file.” The HTML file contains the",
        "paragraphs": [
          "para_114"
        ]
      },
      {
        "title": "5",
        "paragraphs": []
      },
      {
        "title": "A “tracking pixel”—such as the Meta Pixel and Google",
        "paragraphs": []
      },
      {
        "title": "Analytics—is a piece of code or image “that is used to track",
        "paragraphs": [
          "para_118",
          "para_119",
          "para_120",
          "para_121",
          "para_122",
          "para_123",
          "para_124",
          "para_125",
          "para_126"
        ]
      },
      {
        "title": "A tracking pixel collects “two types of data”—“identifiers”",
        "paragraphs": [
          "para_128",
          "para_129",
          "para_130",
          "para_131",
          "para_132",
          "para_133",
          "para_134",
          "para_135",
          "para_136"
        ]
      },
      {
        "title": "The combination of IP address and user agent (or other browser",
        "paragraphs": [
          "para_138",
          "para_139",
          "para_140"
        ]
      },
      {
        "title": "A website may “install tracking pixels from third-party",
        "paragraphs": [
          "para_142",
          "para_143",
          "para_144",
          "para_145"
        ]
      },
      {
        "title": "6",
        "paragraphs": [
          "para_147",
          "para_148",
          "para_149",
          "para_150"
        ]
      },
      {
        "title": "Google describes Google Analytics as “ ‘a platform that",
        "paragraphs": [
          "para_152",
          "para_153",
          "para_154",
          "para_155"
        ]
      },
      {
        "title": "Google Analytics “uses both first-party and third-party cookies”",
        "paragraphs": [
          "para_157",
          "para_158"
        ]
      },
      {
        "title": "Google to link or associate the data with Google accounts of users",
        "paragraphs": [
          "para_160"
        ]
      },
      {
        "title": "Meta Pixel (formerly called Facebook Pixel) as “a piece of code",
        "paragraphs": [
          "para_162",
          "para_163",
          "para_164"
        ]
      },
      {
        "title": "You’ll also be able to see when customers took an action after",
        "paragraphs": [
          "para_166"
        ]
      },
      {
        "title": "Meta Pixel “will track URLs visited, domains visited, and the",
        "paragraphs": [
          "para_168",
          "para_169",
          "para_170",
          "para_171",
          "para_172",
          "para_173"
        ]
      },
      {
        "title": "In Adventist’s words, these tracking technologies “cause",
        "paragraphs": [
          "para_175"
        ]
      },
      {
        "title": "Meta servers) to communicate with each other, causing certain",
        "paragraphs": []
      },
      {
        "title": "7",
        "paragraphs": [
          "para_178",
          "para_179"
        ]
      },
      {
        "title": "URLs, IP addresses—whether complete or partially masked—",
        "paragraphs": [
          "para_181"
        ]
      },
      {
        "title": "2. Adventist’s use of tracking technologies",
        "paragraphs": []
      },
      {
        "title": "Adventist is a nonprofit, faith-based healthcare system",
        "paragraphs": [
          "para_184"
        ]
      },
      {
        "title": "2017 and 2024, Adventist installed the Meta Pixel and/or Google",
        "paragraphs": []
      },
      {
        "title": "Analytics on its websites, including its public-facing website at",
        "paragraphs": [
          "para_187",
          "para_188"
        ]
      },
      {
        "title": "Adventist placed advertisements on Facebook and other",
        "paragraphs": [
          "para_190",
          "para_191",
          "para_192",
          "para_193",
          "para_194",
          "para_195",
          "para_196",
          "para_197",
          "para_198"
        ]
      },
      {
        "title": "In other words, the tracking pixels enabled Adventist to",
        "paragraphs": [
          "para_200",
          "para_201",
          "para_202",
          "para_203",
          "para_204",
          "para_205"
        ]
      },
      {
        "title": "The patient portal—hosted by Adventist’s business",
        "paragraphs": [
          "para_207"
        ]
      },
      {
        "title": "8",
        "paragraphs": [
          "para_209",
          "para_210",
          "para_211",
          "para_212",
          "para_213",
          "para_214",
          "para_215",
          "para_216"
        ]
      },
      {
        "title": "Google Analytics normally shares information about",
        "paragraphs": [
          "para_218",
          "para_219",
          "para_220",
          "para_221",
          "para_222",
          "para_223"
        ]
      },
      {
        "title": "Analytics] to anonymize the IP address[es]” it stored—by",
        "paragraphs": [
          "para_225",
          "para_226",
          "para_227",
          "para_228"
        ]
      },
      {
        "title": "URL “matched a pattern that included an identifier or reference",
        "paragraphs": [
          "para_230",
          "para_231",
          "para_232",
          "para_233",
          "para_234"
        ]
      },
      {
        "title": "4 Discovery Shafiq reviewed showed Google Analytics was",
        "paragraphs": [
          "para_236",
          "para_237",
          "para_238"
        ]
      },
      {
        "title": "9",
        "paragraphs": [
          "para_240",
          "para_241",
          "para_242",
          "para_243"
        ]
      },
      {
        "title": "Beginning in 2019 or 2020, Adventist partnered with",
        "paragraphs": []
      },
      {
        "title": "HealthAware to provide HRAs “through the adventisthealth",
        "paragraphs": [
          "para_246",
          "para_247",
          "para_248",
          "para_249",
          "para_250",
          "para_251",
          "para_252",
          "para_253"
        ]
      },
      {
        "title": "HRA form and clicked the link to submit it, they were told if",
        "paragraphs": [
          "para_255",
          "para_256"
        ]
      },
      {
        "title": "Records of the individuals who completed an HRA—",
        "paragraphs": [
          "para_258",
          "para_259"
        ]
      },
      {
        "title": "5 The URL “query string” includes “search terms” input by",
        "paragraphs": [
          "para_261",
          "para_262",
          "para_263",
          "para_264",
          "para_265",
          "para_266",
          "para_267"
        ]
      },
      {
        "title": "(See In re Meta Pixel Healthcare Litigation (N.D.Cal. 2022)",
        "paragraphs": []
      },
      {
        "title": "647 F.Supp.3d 778, 795–796 and fn. 10 (Meta Pixel) [examples",
        "paragraphs": [
          "para_270"
        ]
      },
      {
        "title": "10",
        "paragraphs": [
          "para_272",
          "para_273",
          "para_274"
        ]
      },
      {
        "title": "Relationship Management” (CRM) system. The tracking pixels",
        "paragraphs": [
          "para_276",
          "para_277"
        ]
      },
      {
        "title": "3. Plaintiffs’ class action lawsuit",
        "paragraphs": []
      },
      {
        "title": "Plaintiffs are current or former Adventist patients who",
        "paragraphs": [
          "para_280"
        ]
      },
      {
        "title": "Plaintiffs sued Adventist, as individuals and on behalf of a",
        "paragraphs": [
          "para_282",
          "para_283",
          "para_284"
        ]
      },
      {
        "title": "Adventist installed tracking technologies throughout its public",
        "paragraphs": [
          "para_286",
          "para_287",
          "para_288",
          "para_289"
        ]
      },
      {
        "title": "Adventist allegedly disclosed plaintiffs’ personally identifiable",
        "paragraphs": [
          "para_291"
        ]
      },
      {
        "title": "Google. Plaintiffs alleged the tracking technologies transmitted",
        "paragraphs": []
      },
      {
        "title": "Adventist website users’ IP addresses, URLs generated from",
        "paragraphs": [
          "para_294",
          "para_295",
          "para_296",
          "para_297"
        ]
      },
      {
        "title": "6 Plaintiffs filed the operative third amended complaint",
        "paragraphs": [
          "para_299",
          "para_300"
        ]
      },
      {
        "title": "11",
        "paragraphs": [
          "para_302",
          "para_303"
        ]
      },
      {
        "title": "Plaintiffs alleged Meta/Google used the information",
        "paragraphs": [
          "para_305",
          "para_306",
          "para_307",
          "para_308",
          "para_309"
        ]
      },
      {
        "title": "Adventist’s public website and patient portal where they",
        "paragraphs": [
          "para_311",
          "para_312",
          "para_313",
          "para_314",
          "para_315"
        ]
      },
      {
        "title": "Plaintiffs asserted ten separate causes of action against",
        "paragraphs": []
      },
      {
        "title": "Adventist, including, among others: one claim for violating CIPA",
        "paragraphs": [
          "para_318",
          "para_319",
          "para_320",
          "para_321",
          "para_322",
          "para_323",
          "para_324",
          "para_325",
          "para_326",
          "para_327",
          "para_328",
          "para_329",
          "para_330",
          "para_331"
        ]
      },
      {
        "title": "12",
        "paragraphs": []
      },
      {
        "title": "(Bus. & Prof. Code, § 17200 et seq.) (UCL) based on its violations",
        "paragraphs": [
          "para_334",
          "para_335"
        ]
      },
      {
        "title": "4. Class certification motion, opposition, and reply",
        "paragraphs": []
      },
      {
        "title": "On June 25, 2024, plaintiffs also filed their motion for class",
        "paragraphs": [
          "para_338",
          "para_339",
          "para_340"
        ]
      },
      {
        "title": "Plaintiffs proposed the general class—for the period from",
        "paragraphs": []
      },
      {
        "title": "November 16, 2017 to April 30, 2024—consist of “all Adventist",
        "paragraphs": []
      },
      {
        "title": "Health patients with an address in California who used the",
        "paragraphs": []
      },
      {
        "title": "Adventist website or patient portal to exchange communications",
        "paragraphs": [
          "para_345",
          "para_346",
          "para_347",
          "para_348",
          "para_349",
          "para_350",
          "para_351"
        ]
      },
      {
        "title": "8 Plaintiffs’ expert Shafiq’s report summarized his testing",
        "paragraphs": [
          "para_353",
          "para_354",
          "para_355",
          "para_356",
          "para_357",
          "para_358",
          "para_359",
          "para_360"
        ]
      },
      {
        "title": "9 The proposed general class in the TAC included prospective",
        "paragraphs": [
          "para_362"
        ]
      },
      {
        "title": "13",
        "paragraphs": [
          "para_364",
          "para_365",
          "para_366"
        ]
      },
      {
        "title": "There was no dispute over the numerosity of the proposed",
        "paragraphs": [
          "para_368",
          "para_369",
          "para_370",
          "para_371"
        ]
      },
      {
        "title": "Plaintiffs argued Adventist’s liability depended on",
        "paragraphs": [
          "para_373",
          "para_374",
          "para_375",
          "para_376",
          "para_377",
          "para_378",
          "para_379",
          "para_380",
          "para_381",
          "para_382",
          "para_383",
          "para_384",
          "para_385",
          "para_386",
          "para_387",
          "para_388",
          "para_389",
          "para_390",
          "para_391",
          "para_392",
          "para_393"
        ]
      },
      {
        "title": "14",
        "paragraphs": []
      },
      {
        "title": "Plaintiffs argued the factual and legal issues relating to",
        "paragraphs": [
          "para_396"
        ]
      },
      {
        "title": "HRA form subclass, as well. Plaintiffs asserted Adventist had",
        "paragraphs": [
          "para_398",
          "para_399",
          "para_400",
          "para_401"
        ]
      },
      {
        "title": "Google a “full-string URL[ ]” including a “unique string of",
        "paragraphs": [
          "para_403",
          "para_404"
        ]
      },
      {
        "title": "Finally, plaintiffs argued that a class action was superior",
        "paragraphs": [
          "para_406",
          "para_407",
          "para_408",
          "para_409"
        ]
      },
      {
        "title": "Adventist opposed the motion, primarily arguing several",
        "paragraphs": [
          "para_411",
          "para_412",
          "para_413",
          "para_414",
          "para_415",
          "para_416"
        ]
      },
      {
        "title": "With respect to the patient portal subclass, Adventist argued",
        "paragraphs": [
          "para_418",
          "para_419",
          "para_420",
          "para_421",
          "para_422",
          "para_423",
          "para_424"
        ]
      },
      {
        "title": "15",
        "paragraphs": [
          "para_426",
          "para_427"
        ]
      },
      {
        "title": "HRA website differently: while Google “likely received” a URL",
        "paragraphs": [
          "para_429",
          "para_430",
          "para_431"
        ]
      },
      {
        "title": "In their reply—filed after deposing Adventist’s expert",
        "paragraphs": []
      },
      {
        "title": "Emily Cohen—plaintiffs argued Cohen’s confirmation that the",
        "paragraphs": [
          "para_434",
          "para_435",
          "para_436",
          "para_437",
          "para_438",
          "para_439",
          "para_440",
          "para_441",
          "para_442",
          "para_443",
          "para_444",
          "para_445",
          "para_446",
          "para_447"
        ]
      },
      {
        "title": "Plaintiffs agreed to limit the patient portal subclass to",
        "paragraphs": [
          "para_449",
          "para_450",
          "para_451",
          "para_452",
          "para_453",
          "para_454",
          "para_455"
        ]
      },
      {
        "title": "16",
        "paragraphs": [
          "para_457",
          "para_458",
          "para_459",
          "para_460",
          "para_461",
          "para_462",
          "para_463",
          "para_464"
        ]
      },
      {
        "title": "Adventist’s contentions that the court could not determine the",
        "paragraphs": [
          "para_466",
          "para_467",
          "para_468",
          "para_469",
          "para_470",
          "para_471",
          "para_472"
        ]
      },
      {
        "title": "During the hearing—in response to the court’s concerns that",
        "paragraphs": [
          "para_474",
          "para_475",
          "para_476",
          "para_477",
          "para_478",
          "para_479",
          "para_480",
          "para_481",
          "para_482"
        ]
      },
      {
        "title": "Plaintiffs’ trial plan confirmed their modifications of",
        "paragraphs": [
          "para_484",
          "para_485",
          "para_486"
        ]
      },
      {
        "title": "17",
        "paragraphs": []
      },
      {
        "title": "5. The court’s denial of class certification",
        "paragraphs": []
      },
      {
        "title": "On February 14, 2025, the court issued an 18-page order",
        "paragraphs": [
          "para_490"
        ]
      },
      {
        "title": "As relevant to this appeal, the court found plaintiffs failed to",
        "paragraphs": [
          "para_492",
          "para_493",
          "para_494",
          "para_495",
          "para_496",
          "para_497",
          "para_498",
          "para_499",
          "para_500"
        ]
      },
      {
        "title": "URLs may not have revealed “either ‘content’ under CIPA",
        "paragraphs": [
          "para_502",
          "para_503",
          "para_504",
          "para_505",
          "para_506"
        ]
      },
      {
        "title": "CIPA or CMIA.” As for the HRA form subclass, the court found",
        "paragraphs": [
          "para_508",
          "para_509",
          "para_510",
          "para_511"
        ]
      },
      {
        "title": "HRA forms. Finally, the court found plaintiffs failed to show the",
        "paragraphs": [
          "para_513",
          "para_514",
          "para_515",
          "para_516"
        ]
      },
      {
        "title": "18",
        "paragraphs": [
          "para_518",
          "para_519"
        ]
      },
      {
        "title": "DISCUSSION",
        "paragraphs": []
      },
      {
        "title": "1. Class certification and standard of review",
        "paragraphs": []
      },
      {
        "title": "Section 382 of the Code of Civil Procedure authorizes",
        "paragraphs": [
          "para_523",
          "para_524",
          "para_525",
          "para_526",
          "para_527",
          "para_528",
          "para_529",
          "para_530",
          "para_531"
        ]
      },
      {
        "title": "(1) predominant common questions of law or fact; (2) class",
        "paragraphs": [
          "para_533",
          "para_534",
          "para_535"
        ]
      },
      {
        "title": "53 Cal.4th 1004, 1021 (Brinker).)",
        "paragraphs": []
      },
      {
        "title": "The certification question is “ ‘ “essentially a procedural",
        "paragraphs": [
          "para_538",
          "para_539",
          "para_540",
          "para_541",
          "para_542",
          "para_543"
        ]
      },
      {
        "title": "10 An order denying class certification is appealable under",
        "paragraphs": [
          "para_545"
        ]
      },
      {
        "title": "(2024) 16 Cal.5th 643, 656, fn. 8.)",
        "paragraphs": []
      },
      {
        "title": "19",
        "paragraphs": []
      },
      {
        "title": "Court has recognized that, when “evidence or legal issues",
        "paragraphs": [
          "para_549",
          "para_550",
          "para_551",
          "para_552",
          "para_553",
          "para_554",
          "para_555",
          "para_556",
          "para_557",
          "para_558",
          "para_559",
          "para_560",
          "para_561",
          "para_562",
          "para_563",
          "para_564"
        ]
      },
      {
        "title": "(Brinker, supra, 53 Cal.4th at p. 1022.) Therefore, “ ‘[u]nlike the",
        "paragraphs": [
          "para_566",
          "para_567",
          "para_568",
          "para_569",
          "para_570",
          "para_571",
          "para_572",
          "para_573",
          "para_574",
          "para_575"
        ]
      },
      {
        "title": "(2014) 59 Cal.4th 522, 537 [“[a] certification decision is reviewed",
        "paragraphs": [
          "para_577"
        ]
      },
      {
        "title": "20",
        "paragraphs": [
          "para_579",
          "para_580",
          "para_581"
        ]
      },
      {
        "title": "(2014) 228 Cal.App.4th 1137, 1143, quoting Knapp v. AT&T",
        "paragraphs": []
      },
      {
        "title": "Wireless Services, Inc. (2011) 195 Cal.App.4th 932, 939 (Knapp)",
        "paragraphs": [
          "para_584",
          "para_585"
        ]
      },
      {
        "title": "2. Ascertainability of the patient portal subclass11",
        "paragraphs": []
      },
      {
        "title": "A class is ascertainable “when it is defined ‘in terms of",
        "paragraphs": [
          "para_588",
          "para_589",
          "para_590"
        ]
      },
      {
        "title": "7 Cal.5th at p. 980.) “[T]his standard . . . include[es] class",
        "paragraphs": [
          "para_592",
          "para_593",
          "para_594"
        ]
      },
      {
        "title": "Plaintiffs defined the patient portal subclass as “All Class",
        "paragraphs": [
          "para_596",
          "para_597",
          "para_598"
        ]
      },
      {
        "title": "2017 to April 30, 2024, all Adventist Health patients with an",
        "paragraphs": [
          "para_600",
          "para_601",
          "para_602",
          "para_603",
          "para_604",
          "para_605"
        ]
      },
      {
        "title": "11 The court found the HRA form subclass members were",
        "paragraphs": [
          "para_607"
        ]
      },
      {
        "title": "21",
        "paragraphs": [
          "para_609"
        ]
      },
      {
        "title": "Health, including” the four above activities. (Italics added.)",
        "paragraphs": []
      },
      {
        "title": "Plaintiffs’ counsel suggested the revised definition during",
        "paragraphs": [
          "para_612",
          "para_613"
        ]
      },
      {
        "title": "Accordingly, as Adventist asserts, the patient portal",
        "paragraphs": [
          "para_615",
          "para_616",
          "para_617",
          "para_618",
          "para_619"
        ]
      },
      {
        "title": "2023 to exchange communications with Adventist for researching",
        "paragraphs": [
          "para_621",
          "para_622"
        ]
      },
      {
        "title": "The court found plaintiffs did not establish the members",
        "paragraphs": [
          "para_624",
          "para_625"
        ]
      },
      {
        "title": "California patients and then ‘patients could identify themselves",
        "paragraphs": [
          "para_627",
          "para_628",
          "para_629",
          "para_630",
          "para_631"
        ]
      },
      {
        "title": "The court found “[i]t [wa]s not so simple,” in part because the",
        "paragraphs": [
          "para_633",
          "para_634",
          "para_635",
          "para_636",
          "para_637",
          "para_638"
        ]
      },
      {
        "title": "22",
        "paragraphs": [
          "para_640",
          "para_641",
          "para_642",
          "para_643",
          "para_644",
          "para_645",
          "para_646",
          "para_647"
        ]
      },
      {
        "title": "Plaintiffs argue the record shows the patient portal",
        "paragraphs": [
          "para_649"
        ]
      },
      {
        "title": "Cerner’s records. As plaintiffs note, the evidence shows",
        "paragraphs": []
      },
      {
        "title": "Adventist could create a report of the patient identification",
        "paragraphs": [
          "para_652",
          "para_653",
          "para_654",
          "para_655",
          "para_656",
          "para_657",
          "para_658",
          "para_659",
          "para_660",
          "para_661",
          "para_662",
          "para_663"
        ]
      },
      {
        "title": "12 As we noted, the court found the general class definition",
        "paragraphs": [
          "para_665"
        ]
      },
      {
        "title": "We can infer the court found the patient portal—which had a",
        "paragraphs": [
          "para_667",
          "para_668",
          "para_669"
        ]
      },
      {
        "title": "23",
        "paragraphs": [
          "para_671",
          "para_672"
        ]
      },
      {
        "title": "Plaintiffs argue Adventist never disputed the patient portal",
        "paragraphs": [
          "para_674",
          "para_675",
          "para_676",
          "para_677"
        ]
      },
      {
        "title": "Adventist argued the “revised general class definition creates",
        "paragraphs": [
          "para_679"
        ]
      },
      {
        "title": "Subclass. Specifically, a patient who merely logs in to the patient",
        "paragraphs": [
          "para_681",
          "para_682",
          "para_683",
          "para_684",
          "para_685",
          "para_686",
          "para_687",
          "para_688",
          "para_689",
          "para_690",
          "para_691",
          "para_692",
          "para_693",
          "para_694"
        ]
      },
      {
        "title": "Plaintiffs argue patients identified as having logged into",
        "paragraphs": [
          "para_696",
          "para_697",
          "para_698",
          "para_699",
          "para_700"
        ]
      },
      {
        "title": "24",
        "paragraphs": [
          "para_702",
          "para_703",
          "para_704",
          "para_705"
        ]
      },
      {
        "title": "Nevertheless, as the court itself acknowledged, any",
        "paragraphs": [
          "para_707",
          "para_708",
          "para_709",
          "para_710",
          "para_711",
          "para_712",
          "para_713",
          "para_714",
          "para_715",
          "para_716",
          "para_717",
          "para_718",
          "para_719",
          "para_720",
          "para_721",
          "para_722",
          "para_723",
          "para_724"
        ]
      },
      {
        "title": "Your Honor, and we acknowledge that that class would require",
        "paragraphs": [
          "para_726",
          "para_727",
          "para_728",
          "para_729"
        ]
      },
      {
        "title": "25",
        "paragraphs": []
      },
      {
        "title": "Accordingly, when discussing plaintiffs’ proposed revision",
        "paragraphs": [
          "para_732",
          "para_733",
          "para_734",
          "para_735",
          "para_736",
          "para_737",
          "para_738",
          "para_739"
        ]
      },
      {
        "title": "Plaintiffs no longer seek to certify a general class of patients",
        "paragraphs": [
          "para_741",
          "para_742",
          "para_743",
          "para_744",
          "para_745",
          "para_746",
          "para_747"
        ]
      },
      {
        "title": "HRA form. Neither subclass raises the concerns the court",
        "paragraphs": [
          "para_749"
        ]
      },
      {
        "title": "13 Plaintiffs’ expert Shafiq also stated the class definition",
        "paragraphs": [
          "para_751",
          "para_752",
          "para_753",
          "para_754",
          "para_755",
          "para_756"
        ]
      },
      {
        "title": "Shafiq understood that logging into the patient portal itself was",
        "paragraphs": [
          "para_758",
          "para_759",
          "para_760"
        ]
      },
      {
        "title": "26",
        "paragraphs": []
      },
      {
        "title": "In essence, plaintiffs’ appeal has rendered their post-hearing",
        "paragraphs": [
          "para_763"
        ]
      },
      {
        "title": "And as we discussed, Adventist and/or its provider Cerner",
        "paragraphs": [
          "para_765",
          "para_766",
          "para_767",
          "para_768",
          "para_769"
        ]
      },
      {
        "title": "Memorial Hospital (2016) 3 Cal.App.5th 1200, 1213–1214",
        "paragraphs": []
      },
      {
        "title": "(Nicodemus) [data set of all patients’ attorneys’ requests for",
        "paragraphs": [
          "para_772",
          "para_773",
          "para_774",
          "para_775"
        ]
      },
      {
        "title": "Adventist did not dispute that the patient portal class was",
        "paragraphs": [
          "para_777"
        ]
      },
      {
        "title": "As plaintiffs note, the court also found they did “not explain",
        "paragraphs": [
          "para_779",
          "para_780",
          "para_781"
        ]
      },
      {
        "title": "Whether Adventist violated CIPA or CMIA by transmitting the",
        "paragraphs": [
          "para_783",
          "para_784",
          "para_785",
          "para_786",
          "para_787"
        ]
      },
      {
        "title": "Accordingly, we conclude plaintiffs demonstrated the patient",
        "paragraphs": [
          "para_789"
        ]
      },
      {
        "title": "27",
        "paragraphs": []
      },
      {
        "title": "3. The court’s predominance inquiry",
        "paragraphs": [
          "para_792",
          "para_793",
          "para_794",
          "para_795",
          "para_796",
          "para_797",
          "para_798",
          "para_799",
          "para_800",
          "para_801",
          "para_802"
        ]
      },
      {
        "title": "Office Solutions, Inc. (2007) 148 Cal.App.4th 1440, 1450",
        "paragraphs": []
      },
      {
        "title": "(Walsh) [“In examining whether common issues of law or fact",
        "paragraphs": [
          "para_805",
          "para_806",
          "para_807",
          "para_808",
          "para_809",
          "para_810"
        ]
      },
      {
        "title": "The “pertinent questions” under the predominance inquiry are:",
        "paragraphs": [
          "para_812",
          "para_813",
          "para_814"
        ]
      },
      {
        "title": "1103, 1113 (Downey).) Moreover, “ ‘[T]he possibility that a",
        "paragraphs": [
          "para_816",
          "para_817",
          "para_818",
          "para_819"
        ]
      },
      {
        "title": "3 Cal.App.5th at p. 1219.)",
        "paragraphs": []
      },
      {
        "title": "28",
        "paragraphs": []
      },
      {
        "title": "Plaintiffs’ trial plan stated it was seeking class certification",
        "paragraphs": [
          "para_823",
          "para_824",
          "para_825",
          "para_826",
          "para_827"
        ]
      },
      {
        "title": "(2) CMIA claims, alleging Adventist violated Civil Code sections",
        "paragraphs": []
      },
      {
        "title": "56.10 and 56.101; and (3) UCL claims based on Adventist’s",
        "paragraphs": [
          "para_830"
        ]
      },
      {
        "title": "In essence, the trial court found that—although plaintiffs",
        "paragraphs": [
          "para_832",
          "para_833",
          "para_834",
          "para_835",
          "para_836",
          "para_837"
        ]
      },
      {
        "title": "(See Duran v. U.S. Bank National Assn. (2014) 59 Cal.4th 1, 28",
        "paragraphs": []
      },
      {
        "title": "(Duran) [“class treatment is not appropriate ‘if every member",
        "paragraphs": [
          "para_840",
          "para_841",
          "para_842"
        ]
      },
      {
        "title": "We first state the applicable law and then review the court’s",
        "paragraphs": [
          "para_844",
          "para_845",
          "para_846",
          "para_847"
        ]
      },
      {
        "title": "14 We discuss that finding at the end of the Discussion",
        "paragraphs": [
          "para_849",
          "para_850"
        ]
      },
      {
        "title": "29",
        "paragraphs": [
          "para_852",
          "para_853",
          "para_854",
          "para_855",
          "para_856",
          "para_857",
          "para_858",
          "para_859",
          "para_860",
          "para_861",
          "para_862",
          "para_863",
          "para_864"
        ]
      },
      {
        "title": "1112–1114, 1116, 1122–1224 [to state a claim for “aiding and",
        "paragraphs": [
          "para_866",
          "para_867",
          "para_868",
          "para_869"
        ]
      },
      {
        "title": "The court’s predominance analysis focused on whether",
        "paragraphs": [
          "para_871",
          "para_872"
        ]
      },
      {
        "title": "Meta included the “contents” of patients’ communications with",
        "paragraphs": []
      },
      {
        "title": "Adventist. CIPA does not define “contents.” A similar provision",
        "paragraphs": [
          "para_875",
          "para_876",
          "para_877",
          "para_878",
          "para_879"
        ]
      },
      {
        "title": "Wiretap Act’ ”]; 18 U.S.C. § 2511(1)(a)–(e).) According to the",
        "paragraphs": []
      },
      {
        "title": "Ninth Circuit, the “ ‘contents’ ” of an online communication",
        "paragraphs": []
      },
      {
        "title": "30",
        "paragraphs": [
          "para_883",
          "para_884",
          "para_885",
          "para_886"
        ]
      },
      {
        "title": "2014) 750 F.3d 1098, 1106–1107 (Zynga).) In Zynga, the Ninth",
        "paragraphs": []
      },
      {
        "title": "Circuit explained a URL that included “only basic identification",
        "paragraphs": [
          "para_889",
          "para_890",
          "para_891",
          "para_892"
        ]
      },
      {
        "title": "1107 [granting motion to dismiss where alleged information",
        "paragraphs": [
          "para_894",
          "para_895",
          "para_896"
        ]
      },
      {
        "title": "Since Zynga, other federal district courts within California",
        "paragraphs": [
          "para_898",
          "para_899"
        ]
      },
      {
        "title": "In Meta Pixel, supra, 647 F.Supp.3d at pp. 785, 795–796, 798",
        "paragraphs": [
          "para_901",
          "para_902",
          "para_903",
          "para_904",
          "para_905",
          "para_906",
          "para_907",
          "para_908"
        ]
      },
      {
        "title": "Agent identifiers,” “[c]ontent of the button (‘Log in’),” “[c]ontents",
        "paragraphs": [
          "para_910",
          "para_911",
          "para_912"
        ]
      },
      {
        "title": "31",
        "paragraphs": [
          "para_914"
        ]
      },
      {
        "title": "URLs, which included both “the ‘path’ and the ‘query string,’ ”",
        "paragraphs": [
          "para_916",
          "para_917",
          "para_918",
          "para_919",
          "para_920"
        ]
      },
      {
        "title": "Federal district courts have “ ‘employ[ed] a contextual",
        "paragraphs": [
          "para_922",
          "para_923",
          "para_924",
          "para_925"
        ]
      },
      {
        "title": "2022) 615 F.Supp.3d 1069, 1092–1093.) “ ‘Generally, customer",
        "paragraphs": [
          "para_927",
          "para_928",
          "para_929",
          "para_930",
          "para_931",
          "para_932",
          "para_933",
          "para_934",
          "para_935",
          "para_936",
          "para_937",
          "para_938"
        ]
      },
      {
        "title": "949 (Google RTB) [finding redirected electronic communications",
        "paragraphs": [
          "para_940",
          "para_941",
          "para_942",
          "para_943"
        ]
      },
      {
        "title": "32",
        "paragraphs": [
          "para_945",
          "para_946"
        ]
      },
      {
        "title": "CMIA in turn prohibits a health care provider from",
        "paragraphs": [
          "para_948",
          "para_949"
        ]
      },
      {
        "title": "CMIA defines “medical information” as “any individually",
        "paragraphs": [
          "para_951",
          "para_952",
          "para_953",
          "para_954",
          "para_955",
          "para_956",
          "para_957",
          "para_958",
          "para_959",
          "para_960",
          "para_961",
          "para_962",
          "para_963",
          "para_964"
        ]
      },
      {
        "title": "226 Cal.App.4th 430, 435 (Eisenhower).)",
        "paragraphs": [
          "para_966",
          "para_967",
          "para_968",
          "para_969",
          "para_970",
          "para_971"
        ]
      },
      {
        "title": "HRA forms under CIPA or CMIA",
        "paragraphs": []
      },
      {
        "title": "As plaintiffs note, in assessing the predominance prong",
        "paragraphs": [
          "para_974"
        ]
      },
      {
        "title": "33",
        "paragraphs": [
          "para_976",
          "para_977",
          "para_978"
        ]
      },
      {
        "title": "Google and Meta to be notified when an HRA form had been",
        "paragraphs": [
          "para_980",
          "para_981",
          "para_982",
          "para_983",
          "para_984",
          "para_985"
        ]
      },
      {
        "title": "65e83697f7b0/report/a2d7dfd4-c6fe-4c53-8d41-eacf4e4e87a0.’ ”16",
        "paragraphs": []
      },
      {
        "title": "Shafiq noted “anyone can go” to that URL “to access the contents",
        "paragraphs": [
          "para_988"
        ]
      },
      {
        "title": "When “clicked” the two example HRA URLs in Shafiq’s",
        "paragraphs": [
          "para_990",
          "para_991",
          "para_992",
          "para_993"
        ]
      },
      {
        "title": "WeightAware report recommended the individual lose weight",
        "paragraphs": [
          "para_995",
          "para_996",
          "para_997",
          "para_998",
          "para_999",
          "para_1000"
        ]
      },
      {
        "title": "16 This link is to a “WeightAware” report—an HRA for",
        "paragraphs": [
          "para_1002",
          "para_1003",
          "para_1004",
          "para_1005"
        ]
      },
      {
        "title": "34",
        "paragraphs": [
          "para_1007",
          "para_1008"
        ]
      },
      {
        "title": "The court found it was “questionable whether the fact that",
        "paragraphs": [
          "para_1010",
          "para_1011",
          "para_1012",
          "para_1013",
          "para_1014",
          "para_1015",
          "para_1016",
          "para_1017",
          "para_1018",
          "para_1019"
        ]
      },
      {
        "title": "But plaintiffs alleged that every submission of an HRA",
        "paragraphs": [
          "para_1021",
          "para_1022",
          "para_1023",
          "para_1024",
          "para_1025",
          "para_1026"
        ]
      },
      {
        "title": "Cal.4th 429, 439–440 (Linder) [question of class certification",
        "paragraphs": [
          "para_1028",
          "para_1029"
        ]
      },
      {
        "title": "Stores, Inc. v. Superior Court (2004) 34 Cal.4th 319, 327 (Sav-On)",
        "paragraphs": [
          "para_1031",
          "para_1032",
          "para_1033",
          "para_1034",
          "para_1035",
          "para_1036"
        ]
      },
      {
        "title": "35",
        "paragraphs": [
          "para_1038",
          "para_1039",
          "para_1040",
          "para_1041",
          "para_1042",
          "para_1043",
          "para_1044",
          "para_1045",
          "para_1046"
        ]
      },
      {
        "title": "URL link with Google and/or Meta regardless of the specific HRA",
        "paragraphs": [
          "para_1048"
        ]
      },
      {
        "title": "HRA—as in the examples above—likely would contain the",
        "paragraphs": [
          "para_1050",
          "para_1051"
        ]
      },
      {
        "title": "Adventist nevertheless argues plaintiffs “presented no",
        "paragraphs": [
          "para_1053",
          "para_1054",
          "para_1055"
        ]
      },
      {
        "title": "Shafiq stated—under penalty of perjury—that his “testing and",
        "paragraphs": [
          "para_1057",
          "para_1058",
          "para_1059",
          "para_1060"
        ]
      },
      {
        "title": "Google Tag Manager containers that included tracking pixels",
        "paragraphs": [
          "para_1062",
          "para_1063"
        ]
      },
      {
        "title": "Shafiq also stated he tested how Adventist “installs",
        "paragraphs": [
          "para_1065",
          "para_1066"
        ]
      },
      {
        "title": "He filled out three different HRAs and a cancer genetic risk",
        "paragraphs": []
      },
      {
        "title": "36",
        "paragraphs": [
          "para_1069",
          "para_1070",
          "para_1071",
          "para_1072"
        ]
      },
      {
        "title": "Moreover, Shafiq opined the “tracking pixel source code on",
        "paragraphs": []
      },
      {
        "title": "Adventist Health’s website operates deterministically, meaning",
        "paragraphs": [
          "para_1075",
          "para_1076",
          "para_1077",
          "para_1078",
          "para_1079",
          "para_1080",
          "para_1081",
          "para_1082",
          "para_1083",
          "para_1084",
          "para_1085",
          "para_1086"
        ]
      },
      {
        "title": "Adventist asserts Shafiq’s report showed tracking",
        "paragraphs": [
          "para_1088",
          "para_1089",
          "para_1090",
          "para_1091",
          "para_1092",
          "para_1093",
          "para_1094",
          "para_1095",
          "para_1096",
          "para_1097",
          "para_1098"
        ]
      },
      {
        "title": "37",
        "paragraphs": [
          "para_1100",
          "para_1101",
          "para_1102",
          "para_1103",
          "para_1104",
          "para_1105",
          "para_1106",
          "para_1107"
        ]
      },
      {
        "title": "Whether plaintiffs can prove Adventist in fact transmitted",
        "paragraphs": []
      },
      {
        "title": "URL links to HRA reports to Google and/or Meta also is a merits",
        "paragraphs": [
          "para_1110",
          "para_1111",
          "para_1112",
          "para_1113",
          "para_1114",
          "para_1115",
          "para_1116",
          "para_1117",
          "para_1118",
          "para_1119",
          "para_1120",
          "para_1121",
          "para_1122"
        ]
      },
      {
        "title": "Adventist to produce certain Google Analytic logs it had provided",
        "paragraphs": [
          "para_1124",
          "para_1125",
          "para_1126",
          "para_1127",
          "para_1128",
          "para_1129",
          "para_1130"
        ]
      },
      {
        "title": "38",
        "paragraphs": [
          "para_1132",
          "para_1133",
          "para_1134",
          "para_1135",
          "para_1136"
        ]
      },
      {
        "title": "Cal.App.5th at pp. 545–546 [appellate court analyzes denial",
        "paragraphs": [
          "para_1138",
          "para_1139",
          "para_1140",
          "para_1141",
          "para_1142"
        ]
      },
      {
        "title": "Adventist also contends the court correctly found “there",
        "paragraphs": [
          "para_1144",
          "para_1145",
          "para_1146",
          "para_1147",
          "para_1148"
        ]
      },
      {
        "title": "Accessed” ’ ”—other “ ‘specific events’ ” and “page URLs” from",
        "paragraphs": [
          "para_1150",
          "para_1151",
          "para_1152",
          "para_1153",
          "para_1154",
          "para_1155",
          "para_1156",
          "para_1157",
          "para_1158",
          "para_1159",
          "para_1160"
        ]
      },
      {
        "title": "39",
        "paragraphs": [
          "para_1162",
          "para_1163"
        ]
      },
      {
        "title": "The proposed HRA form subclass, however, includes only",
        "paragraphs": [
          "para_1165",
          "para_1166",
          "para_1167",
          "para_1168",
          "para_1169",
          "para_1170"
        ]
      },
      {
        "title": "HRA page would not be part of the subclass. Only individuals",
        "paragraphs": [
          "para_1172",
          "para_1173",
          "para_1174",
          "para_1175",
          "para_1176",
          "para_1177",
          "para_1178",
          "para_1179",
          "para_1180",
          "para_1181",
          "para_1182",
          "para_1183",
          "para_1184",
          "para_1185",
          "para_1186"
        ]
      },
      {
        "title": "40",
        "paragraphs": [
          "para_1188",
          "para_1189",
          "para_1190",
          "para_1191"
        ]
      },
      {
        "title": "As the court noted, “Liability under CMIA requires a",
        "paragraphs": [
          "para_1193",
          "para_1194",
          "para_1195"
        ]
      },
      {
        "title": "University of California v. Superior Court (2013) 220 Cal.App.4th",
        "paragraphs": [
          "para_1197"
        ]
      },
      {
        "title": "Illuminate Education, Inc. (2026) 19 Cal.5th 705, 723 (J.M.).)",
        "paragraphs": []
      },
      {
        "title": "Undoubtedly, the reports generated in response to a patient’s",
        "paragraphs": [
          "para_1200",
          "para_1201",
          "para_1202",
          "para_1203",
          "para_1204",
          "para_1205",
          "para_1206",
          "para_1207",
          "para_1208",
          "para_1209",
          "para_1210",
          "para_1211",
          "para_1212"
        ]
      },
      {
        "title": "18 Adventist argues that whether Adventist transferred",
        "paragraphs": [
          "para_1214",
          "para_1215",
          "para_1216",
          "para_1217"
        ]
      },
      {
        "title": "41",
        "paragraphs": []
      },
      {
        "title": "In essentially finding Adventist’s liability under CMIA",
        "paragraphs": [
          "para_1220",
          "para_1221"
        ]
      },
      {
        "title": "Shafiq’s report—“containing a [unique] string of numbers",
        "paragraphs": [
          "para_1223"
        ]
      },
      {
        "title": "Rather[,] it provides access to medication information.” In Vigil",
        "paragraphs": [
          "para_1225"
        ]
      },
      {
        "title": "(Vigil),19 the appellate court held “a breach of confidentiality",
        "paragraphs": [
          "para_1227",
          "para_1228",
          "para_1229",
          "para_1230",
          "para_1231",
          "para_1232",
          "para_1233",
          "para_1234",
          "para_1235",
          "para_1236",
          "para_1237",
          "para_1238",
          "para_1239",
          "para_1240",
          "para_1241",
          "para_1242",
          "para_1243",
          "para_1244",
          "para_1245",
          "para_1246",
          "para_1247"
        ]
      },
      {
        "title": "19 As we discuss, Vigil was disapproved of in J.M., supra, 19",
        "paragraphs": [
          "para_1249"
        ]
      },
      {
        "title": "42",
        "paragraphs": [
          "para_1251",
          "para_1252",
          "para_1253"
        ]
      },
      {
        "title": "Adventist’s disclosure of the link violated CMIA.21",
        "paragraphs": []
      },
      {
        "title": "After this matter was submitted for decision, our high",
        "paragraphs": [
          "para_1256",
          "para_1257",
          "para_1258"
        ]
      },
      {
        "title": "The court held “the primary inquiry with regard to breach",
        "paragraphs": [
          "para_1260",
          "para_1261"
        ]
      },
      {
        "title": "The court disapproved Vigil to the extent it held otherwise.22",
        "paragraphs": []
      },
      {
        "title": "(Ibid.)",
        "paragraphs": []
      },
      {
        "title": "20 Vigil involved a data breach where a former employee of",
        "paragraphs": [
          "para_1265",
          "para_1266",
          "para_1267",
          "para_1268",
          "para_1269",
          "para_1270",
          "para_1271"
        ]
      },
      {
        "title": "21 As plaintiffs note, whether a third party “actually viewed",
        "paragraphs": [
          "para_1273",
          "para_1274",
          "para_1275",
          "para_1276"
        ]
      },
      {
        "title": "22 As we discuss, the J.M. decision does not affect our",
        "paragraphs": [
          "para_1278",
          "para_1279",
          "para_1280",
          "para_1281"
        ]
      },
      {
        "title": "43",
        "paragraphs": [
          "para_1283",
          "para_1284",
          "para_1285",
          "para_1286",
          "para_1287",
          "para_1288",
          "para_1289",
          "para_1290",
          "para_1291",
          "para_1292"
        ]
      },
      {
        "title": "Google routinely collect, analyze[ ], and exploit users’ data",
        "paragraphs": [
          "para_1294",
          "para_1295"
        ]
      },
      {
        "title": "Subclass,” plaintiffs contend this element “is a common issue",
        "paragraphs": [
          "para_1297",
          "para_1298",
          "para_1299",
          "para_1300"
        ]
      },
      {
        "title": "Adventist argues plaintiffs never argued Meta’s and",
        "paragraphs": []
      },
      {
        "title": "Google’s algorithmic processing of data constituted “ ‘viewing’ ”",
        "paragraphs": [
          "para_1303",
          "para_1304",
          "para_1305",
          "para_1306"
        ]
      },
      {
        "title": "(J.M., supra, 19 Cal.5th at p. 723.) To the extent J.M. raises new",
        "paragraphs": [
          "para_1308",
          "para_1309"
        ]
      },
      {
        "title": "23 The court denied Adventist’s motion to strike Golbeck’s",
        "paragraphs": [
          "para_1311"
        ]
      },
      {
        "title": "44",
        "paragraphs": [
          "para_1313",
          "para_1314",
          "para_1315"
        ]
      },
      {
        "title": "We disagree. In their motion, plaintiffs argued that",
        "paragraphs": [
          "para_1317",
          "para_1318",
          "para_1319"
        ]
      },
      {
        "title": "Plaintiffs provided their support for that statement—as they did",
        "paragraphs": [
          "para_1321",
          "para_1322",
          "para_1323",
          "para_1324",
          "para_1325",
          "para_1326",
          "para_1327",
          "para_1328"
        ]
      },
      {
        "title": "Plaintiffs filed Golbeck’s report with their motion as a supporting",
        "paragraphs": [
          "para_1330",
          "para_1331",
          "para_1332",
          "para_1333",
          "para_1334",
          "para_1335",
          "para_1336",
          "para_1337",
          "para_1338",
          "para_1339",
          "para_1340",
          "para_1341"
        ]
      },
      {
        "title": "45",
        "paragraphs": []
      },
      {
        "title": "Adventist relies on Holden v. City of San Diego (2019) 43",
        "paragraphs": []
      },
      {
        "title": "Cal.App.5th 404. There, the court found a plaintiff was precluded",
        "paragraphs": [
          "para_1345",
          "para_1346",
          "para_1347",
          "para_1348"
        ]
      },
      {
        "title": "There, the plaintiff’s footnote stated the city had ignored a",
        "paragraphs": [
          "para_1350",
          "para_1351",
          "para_1352"
        ]
      },
      {
        "title": "(Ibid.) The plaintiff also failed to provide any substantive",
        "paragraphs": [
          "para_1354",
          "para_1355",
          "para_1356",
          "para_1357",
          "para_1358",
          "para_1359",
          "para_1360",
          "para_1361"
        ]
      },
      {
        "title": "Holden, plaintiffs’ opening and reply briefs on appeal",
        "paragraphs": [
          "para_1363",
          "para_1364"
        ]
      },
      {
        "title": "The court did not mention plaintiffs’ algorithm theory of",
        "paragraphs": [
          "para_1366"
        ]
      },
      {
        "title": "It thus did not determine if this element of plaintiffs’ CMIA claim",
        "paragraphs": [
          "para_1368",
          "para_1369"
        ]
      },
      {
        "title": "Adventist never argued plaintiffs’ algorithm theory would not",
        "paragraphs": [
          "para_1371",
          "para_1372"
        ]
      },
      {
        "title": "46",
        "paragraphs": [
          "para_1374",
          "para_1375",
          "para_1376",
          "para_1377",
          "para_1378",
          "para_1379",
          "para_1380",
          "para_1381",
          "para_1382",
          "para_1383",
          "para_1384",
          "para_1385"
        ]
      },
      {
        "title": "Plaintiffs’ algorithmic processing theory . . . and therefore cannot",
        "paragraphs": [
          "para_1387",
          "para_1388",
          "para_1389",
          "para_1390",
          "para_1391"
        ]
      },
      {
        "title": "We agree and conclude plaintiffs presented sufficient",
        "paragraphs": [
          "para_1393",
          "para_1394",
          "para_1395"
        ]
      },
      {
        "title": "In plaintiffs’ words, Golbeck’s report explained how Google",
        "paragraphs": [
          "para_1397",
          "para_1398"
        ]
      },
      {
        "title": "Golbeck’s report. She explained companies like Meta/Facebook",
        "paragraphs": [
          "para_1400",
          "para_1401",
          "para_1402",
          "para_1403"
        ]
      },
      {
        "title": "47",
        "paragraphs": [
          "para_1405",
          "para_1406",
          "para_1407",
          "para_1408",
          "para_1409",
          "para_1410",
          "para_1411",
          "para_1412"
        ]
      },
      {
        "title": "As we understand their theory, plaintiffs contend they",
        "paragraphs": [
          "para_1414",
          "para_1415",
          "para_1416",
          "para_1417"
        ]
      },
      {
        "title": "Adventist transmitted. That data then necessarily would have",
        "paragraphs": [
          "para_1419",
          "para_1420",
          "para_1421",
          "para_1422",
          "para_1423",
          "para_1424",
          "para_1425",
          "para_1426"
        ]
      },
      {
        "title": "But whether a third-party’s computer system’s assimilation of",
        "paragraphs": [
          "para_1428",
          "para_1429",
          "para_1430",
          "para_1431",
          "para_1432",
          "para_1433",
          "para_1434"
        ]
      },
      {
        "title": "48",
        "paragraphs": []
      },
      {
        "title": "In summary, we conclude the court’s reasoning did not",
        "paragraphs": [
          "para_1437",
          "para_1438",
          "para_1439",
          "para_1440",
          "para_1441",
          "para_1442"
        ]
      },
      {
        "title": "Plaintiffs’ ultimate theory was that the baseline",
        "paragraphs": [
          "para_1444",
          "para_1445",
          "para_1446",
          "para_1447",
          "para_1448",
          "para_1449",
          "para_1450",
          "para_1451",
          "para_1452",
          "para_1453",
          "para_1454",
          "para_1455",
          "para_1456"
        ]
      },
      {
        "title": "Shafiq stated Adventist “shared at least the following types",
        "paragraphs": [
          "para_1458",
          "para_1459",
          "para_1460"
        ]
      },
      {
        "title": "URLs from Adventist’s public website that included query strings",
        "paragraphs": [
          "para_1462",
          "para_1463",
          "para_1464"
        ]
      },
      {
        "title": "URL example showed a search at “doctors.adventisthealth.org”",
        "paragraphs": []
      },
      {
        "title": "49",
        "paragraphs": [
          "para_1467",
          "para_1468"
        ]
      },
      {
        "title": "The trial court noted those URL examples included search",
        "paragraphs": [
          "para_1470",
          "para_1471",
          "para_1472",
          "para_1473"
        ]
      },
      {
        "title": "The court noted the first page title example appeared to contain",
        "paragraphs": [
          "para_1475",
          "para_1476",
          "para_1477",
          "para_1478"
        ]
      },
      {
        "title": "Cousin II, supra, 702 F.Supp.3d at p. 976.) The court further",
        "paragraphs": [
          "para_1480",
          "para_1481",
          "para_1482"
        ]
      },
      {
        "title": "Scheduling Confirmation,” ’ ” “ ‘patient-assessment-report,’ ”",
        "paragraphs": [
          "para_1484",
          "para_1485"
        ]
      },
      {
        "title": "Webinar Pageview,’ ” but he did not “say these events contain",
        "paragraphs": [
          "para_1487",
          "para_1488",
          "para_1489"
        ]
      },
      {
        "title": "The court noted that although Shafiq gave examples of",
        "paragraphs": []
      },
      {
        "title": "URLs “containing patients’ search terms,” his report “define[d]",
        "paragraphs": [
          "para_1492"
        ]
      },
      {
        "title": "25 The page title “MyAdventistHealth Patient Portal” appears",
        "paragraphs": [
          "para_1494",
          "para_1495",
          "para_1496"
        ]
      },
      {
        "title": "50",
        "paragraphs": [
          "para_1498",
          "para_1499",
          "para_1500"
        ]
      },
      {
        "title": "750 F.3d at pp. 1108–1109.) Accordingly, because one patient’s",
        "paragraphs": [
          "para_1502",
          "para_1503",
          "para_1504",
          "para_1505",
          "para_1506",
          "para_1507"
        ]
      },
      {
        "title": "Plaintiffs do not dispute this reasoning as applied to the",
        "paragraphs": [
          "para_1509",
          "para_1510",
          "para_1511",
          "para_1512",
          "para_1513",
          "para_1514",
          "para_1515",
          "para_1516",
          "para_1517",
          "para_1518",
          "para_1519"
        ]
      },
      {
        "title": "26 The full page URL in the patient portal for this example",
        "paragraphs": [
          "para_1521",
          "para_1522",
          "para_1523",
          "para_1524",
          "para_1525",
          "para_1526"
        ]
      },
      {
        "title": "DOCUMENT_ID/download.”",
        "paragraphs": []
      },
      {
        "title": "51",
        "paragraphs": [
          "para_1529",
          "para_1530",
          "para_1531",
          "para_1532",
          "para_1533",
          "para_1534",
          "para_1535",
          "para_1536",
          "para_1537",
          "para_1538"
        ]
      },
      {
        "title": "As plaintiffs note, unlike the public website, none of",
        "paragraphs": [
          "para_1540",
          "para_1541",
          "para_1542",
          "para_1543",
          "para_1544",
          "para_1545",
          "para_1546",
          "para_1547",
          "para_1548",
          "para_1549",
          "para_1550",
          "para_1551",
          "para_1552"
        ]
      },
      {
        "title": "27 These descriptive terms reflected the tabs or buttons within",
        "paragraphs": [
          "para_1554",
          "para_1555",
          "para_1556",
          "para_1557"
        ]
      },
      {
        "title": "52",
        "paragraphs": [
          "para_1559",
          "para_1560"
        ]
      },
      {
        "title": "First, we do not interpret the court’s reference to “events”",
        "paragraphs": [
          "para_1562",
          "para_1563",
          "para_1564",
          "para_1565",
          "para_1566",
          "para_1567",
          "para_1568",
          "para_1569",
          "para_1570",
          "para_1571",
          "para_1572",
          "para_1573",
          "para_1574",
          "para_1575",
          "para_1576",
          "para_1577",
          "para_1578",
          "para_1579",
          "para_1580"
        ]
      },
      {
        "title": "We do not disagree that the different descriptive terms within",
        "paragraphs": [
          "para_1582",
          "para_1583"
        ]
      },
      {
        "title": "Nevertheless, those descriptive terms—as we noted—",
        "paragraphs": [
          "para_1585",
          "para_1586",
          "para_1587",
          "para_1588"
        ]
      },
      {
        "title": "53",
        "paragraphs": [
          "para_1590",
          "para_1591",
          "para_1592",
          "para_1593",
          "para_1594",
          "para_1595",
          "para_1596"
        ]
      },
      {
        "title": "1109.)28 For purposes of determining whether the URLs",
        "paragraphs": [
          "para_1598"
        ]
      },
      {
        "title": "CIPA, it thus would not seem to matter whether the descriptive",
        "paragraphs": [
          "para_1600",
          "para_1601",
          "para_1602",
          "para_1603"
        ]
      },
      {
        "title": "28 For Adventist’s public website, in contrast, the URL",
        "paragraphs": [
          "para_1605",
          "para_1606"
        ]
      },
      {
        "title": "Adventist and not simply browsing the website. For the patient",
        "paragraphs": [
          "para_1608",
          "para_1609",
          "para_1610",
          "para_1611",
          "para_1612",
          "para_1613",
          "para_1614",
          "para_1615",
          "para_1616",
          "para_1617",
          "para_1618",
          "para_1619"
        ]
      },
      {
        "title": "54",
        "paragraphs": [
          "para_1621",
          "para_1622",
          "para_1623",
          "para_1624",
          "para_1625",
          "para_1626"
        ]
      },
      {
        "title": "In any event, plaintiffs argue—as they did below—that",
        "paragraphs": [
          "para_1628",
          "para_1629",
          "para_1630",
          "para_1631",
          "para_1632",
          "para_1633",
          "para_1634"
        ]
      },
      {
        "title": "Medical Center (W.D.Wash. 2024) 733 F.Supp.3d 1072, 1081",
        "paragraphs": []
      },
      {
        "title": "(Nienaber) [“transmission of information submitted to a private",
        "paragraphs": [
          "para_1637",
          "para_1638",
          "para_1639",
          "para_1640",
          "para_1641"
        ]
      },
      {
        "title": "29 Griffith v. TikTok, Inc. (C.D.Cal., Sept. 9, 2024, No. 5:23-cv-",
        "paragraphs": []
      },
      {
        "title": "00964-SB-E) 2024 WL 4308813, relied on by Adventist, is thus",
        "paragraphs": [
          "para_1644",
          "para_1645",
          "para_1646",
          "para_1647",
          "para_1648",
          "para_1649",
          "para_1650"
        ]
      },
      {
        "title": "55",
        "paragraphs": [
          "para_1652",
          "para_1653"
        ]
      },
      {
        "title": "Plaintiffs assert that—“[a]t the merits stage”—their expert",
        "paragraphs": [
          "para_1655",
          "para_1656",
          "para_1657",
          "para_1658"
        ]
      },
      {
        "title": "The court found plaintiffs “did not submit evidence that",
        "paragraphs": [
          "para_1660",
          "para_1661",
          "para_1662",
          "para_1663",
          "para_1664",
          "para_1665",
          "para_1666",
          "para_1667",
          "para_1668",
          "para_1669"
        ]
      },
      {
        "title": "Adventist the user is a verified patient who wants to log into his",
        "paragraphs": [
          "para_1671"
        ]
      },
      {
        "title": "F.Supp.3d at p. 795 [construing “log-in buttons” to patient portal",
        "paragraphs": [
          "para_1673",
          "para_1674",
          "para_1675",
          "para_1676",
          "para_1677"
        ]
      },
      {
        "title": "30 Again, the court did not find plaintiffs failed to show",
        "paragraphs": [
          "para_1679",
          "para_1680",
          "para_1681"
        ]
      },
      {
        "title": "56",
        "paragraphs": [
          "para_1683",
          "para_1684",
          "para_1685",
          "para_1686"
        ]
      },
      {
        "title": "115 Cal.App.5th at pp. 545–546; Knapp, supra, 195 Cal.App.4th",
        "paragraphs": [
          "para_1688",
          "para_1689",
          "para_1690"
        ]
      },
      {
        "title": "CMIA claim was subject to common proof",
        "paragraphs": [
          "para_1692"
        ]
      },
      {
        "title": "We cannot say the same for plaintiffs’ CMIA claim. The",
        "paragraphs": [
          "para_1694",
          "para_1695",
          "para_1696",
          "para_1697",
          "para_1698",
          "para_1699",
          "para_1700",
          "para_1701",
          "para_1702",
          "para_1703",
          "para_1704",
          "para_1705",
          "para_1706",
          "para_1707"
        ]
      },
      {
        "title": "Although patients engaged only in health-related activities",
        "paragraphs": [
          "para_1709",
          "para_1710",
          "para_1711",
          "para_1712"
        ]
      },
      {
        "title": "57",
        "paragraphs": [
          "para_1714",
          "para_1715",
          "para_1716",
          "para_1717",
          "para_1718"
        ]
      },
      {
        "title": "For purposes of showing Adventist transmitted “medical",
        "paragraphs": [
          "para_1720",
          "para_1721",
          "para_1722",
          "para_1723",
          "para_1724",
          "para_1725",
          "para_1726"
        ]
      },
      {
        "title": "But a URL revealing that a patient “download[ed]” an",
        "paragraphs": [
          "para_1728",
          "para_1729",
          "para_1730",
          "para_1731",
          "para_1732",
          "para_1733"
        ]
      },
      {
        "title": "2025) 349 F.R.D. 557, on which plaintiffs rely. There, a court",
        "paragraphs": [
          "para_1735",
          "para_1736",
          "para_1737",
          "para_1738",
          "para_1739",
          "para_1740",
          "para_1741",
          "para_1742",
          "para_1743",
          "para_1744"
        ]
      },
      {
        "title": "58",
        "paragraphs": [
          "para_1746",
          "para_1747",
          "para_1748",
          "para_1749",
          "para_1750",
          "para_1751"
        ]
      },
      {
        "title": "818–819 [denying motion to dismiss CMIA claim where plaintiff",
        "paragraphs": [
          "para_1753",
          "para_1754",
          "para_1755",
          "para_1756"
        ]
      },
      {
        "title": "While we agree that whether or not the descriptive URLs",
        "paragraphs": [
          "para_1758",
          "para_1759",
          "para_1760",
          "para_1761",
          "para_1762",
          "para_1763",
          "para_1764",
          "para_1765"
        ]
      },
      {
        "title": "F.Supp.3d at p. 793; Nienaber, supra, 733 F.Supp.3d at p. 1081.)",
        "paragraphs": []
      },
      {
        "title": "Patient status is not “medical information” protected under",
        "paragraphs": [
          "para_1768",
          "para_1769"
        ]
      },
      {
        "title": "32 The Health Insurance Portability and Accountability Act",
        "paragraphs": []
      },
      {
        "title": "(HIPAA) (42 U.S.C. § 1320 et seq.). See 45 C.F.R. § 160.103",
        "paragraphs": []
      },
      {
        "title": "(2026) (defining PHI under HIPAA as “individually identifiable",
        "paragraphs": [
          "para_1773",
          "para_1774",
          "para_1775"
        ]
      },
      {
        "title": "59",
        "paragraphs": []
      },
      {
        "title": "CMIA, however. (Eisenhower, supra, 226 Cal.App.4th at pp. 435–",
        "paragraphs": []
      },
      {
        "title": "436 [fact individual “may have been a patient at a hospital at",
        "paragraphs": [
          "para_1779",
          "para_1780",
          "para_1781",
          "para_1782"
        ]
      },
      {
        "title": "We also reject plaintiffs’ contention that the court did not",
        "paragraphs": [
          "para_1784",
          "para_1785",
          "para_1786"
        ]
      },
      {
        "title": "Code. The court noted Shafiq’s report’s references to “ ‘sensitive",
        "paragraphs": [
          "para_1788",
          "para_1789"
        ]
      },
      {
        "title": "Shafiq’s analysis aggregate[d] different types of information—",
        "paragraphs": [
          "para_1791",
          "para_1792",
          "para_1793",
          "para_1794",
          "para_1795",
          "para_1796",
          "para_1797",
          "para_1798",
          "para_1799",
          "para_1800",
          "para_1801"
        ]
      },
      {
        "title": "Accordingly, we conclude substantial evidence supported the",
        "paragraphs": [
          "para_1803",
          "para_1804",
          "para_1805"
        ]
      },
      {
        "title": "60",
        "paragraphs": []
      },
      {
        "title": "4. The superiority and manageability of the subclasses",
        "paragraphs": []
      },
      {
        "title": "The court also denied plaintiffs’ motion for class",
        "paragraphs": [
          "para_1809",
          "para_1810",
          "para_1811",
          "para_1812",
          "para_1813",
          "para_1814",
          "para_1815",
          "para_1816",
          "para_1817",
          "para_1818"
        ]
      },
      {
        "title": "121.) “In certifying a class action, the court must also conclude",
        "paragraphs": [
          "para_1820",
          "para_1821"
        ]
      },
      {
        "title": "(Duran, supra, 59 Cal.4th at pp. 28–29; id. at pp. 32–33 [trial",
        "paragraphs": [
          "para_1823",
          "para_1824"
        ]
      },
      {
        "title": "The court found plaintiffs did not show the superiority",
        "paragraphs": [
          "para_1826",
          "para_1827",
          "para_1828"
        ]
      },
      {
        "title": "(2) did not “state the value of the individual claims.”",
        "paragraphs": []
      },
      {
        "title": "In their reply, plaintiffs asserted they were seeking",
        "paragraphs": [
          "para_1831",
          "para_1832",
          "para_1833",
          "para_1834",
          "para_1835",
          "para_1836"
        ]
      },
      {
        "title": "61",
        "paragraphs": [
          "para_1838",
          "para_1839"
        ]
      },
      {
        "title": "CIPA (Pen. Code, § 637.2), $2,500 in statutory damages under",
        "paragraphs": []
      },
      {
        "title": "CMIA (Civ. Code, § 56.36), and estimated damages under the",
        "paragraphs": []
      },
      {
        "title": "UCL “to be in the range of $200.”",
        "paragraphs": []
      },
      {
        "title": "We aren’t sure what other evidence plaintiffs could have",
        "paragraphs": [
          "para_1844",
          "para_1845",
          "para_1846",
          "para_1847",
          "para_1848",
          "para_1849",
          "para_1850",
          "para_1851",
          "para_1852",
          "para_1853",
          "para_1854",
          "para_1855",
          "para_1856",
          "para_1857",
          "para_1858",
          "para_1859",
          "para_1860",
          "para_1861",
          "para_1862",
          "para_1863",
          "para_1864"
        ]
      },
      {
        "title": "33 Shafiq was paid $500 per hour, and Golbeck was paid",
        "paragraphs": [
          "para_1866"
        ]
      },
      {
        "title": "62",
        "paragraphs": [
          "para_1868",
          "para_1869",
          "para_1870",
          "para_1871",
          "para_1872",
          "para_1873",
          "para_1874"
        ]
      },
      {
        "title": "Accordingly, we conclude plaintiffs sufficiently demonstrated",
        "paragraphs": [
          "para_1876",
          "para_1877"
        ]
      },
      {
        "title": "As for the manageability question, the court primarily",
        "paragraphs": [
          "para_1879"
        ]
      },
      {
        "title": "As to the two relevant subclasses, the court found plaintiffs failed",
        "paragraphs": [
          "para_1881",
          "para_1882",
          "para_1883",
          "para_1884",
          "para_1885",
          "para_1886",
          "para_1887",
          "para_1888",
          "para_1889"
        ]
      },
      {
        "title": "HRA reports under the CMIA. The issue the court identified",
        "paragraphs": [
          "para_1891"
        ]
      },
      {
        "title": "115 Cal.App.5th at pp. 545–546 [appellate court considers only",
        "paragraphs": [
          "para_1893"
        ]
      },
      {
        "title": "As for the patient portal subclass, the court stated",
        "paragraphs": [
          "para_1895",
          "para_1896",
          "para_1897"
        ]
      },
      {
        "title": "63",
        "paragraphs": [
          "para_1899",
          "para_1900",
          "para_1901",
          "para_1902",
          "para_1903",
          "para_1904",
          "para_1905",
          "para_1906",
          "para_1907",
          "para_1908",
          "para_1909",
          "para_1910",
          "para_1911",
          "para_1912"
        ]
      },
      {
        "title": "As we have discussed, although this may have been",
        "paragraphs": [
          "para_1914",
          "para_1915",
          "para_1916",
          "para_1917"
        ]
      },
      {
        "title": "Adventist. As we explained, that some URLs conveyed more",
        "paragraphs": [
          "para_1919",
          "para_1920",
          "para_1921",
          "para_1922",
          "para_1923",
          "para_1924",
          "para_1925",
          "para_1926",
          "para_1927"
        ]
      },
      {
        "title": "64",
        "paragraphs": [
          "para_1929",
          "para_1930"
        ]
      },
      {
        "title": "In sum, we conclude the record does not support finding",
        "paragraphs": [
          "para_1932",
          "para_1933",
          "para_1934"
        ]
      },
      {
        "title": "5. The trial court did not abuse its discretion in finding",
        "paragraphs": [
          "para_1936",
          "para_1937"
        ]
      },
      {
        "title": "As the trial court noted, plaintiffs’ CIPA claim in their",
        "paragraphs": []
      },
      {
        "title": "TAC alleged Adventist violated section 632(a) when it “used a",
        "paragraphs": [
          "para_1940",
          "para_1941"
        ]
      },
      {
        "title": "The court however, found plaintiffs had “dropped any attempt to",
        "paragraphs": [
          "para_1943",
          "para_1944",
          "para_1945",
          "para_1946",
          "para_1947",
          "para_1948",
          "para_1949"
        ]
      },
      {
        "title": "Plaintiffs contend the court erred. They assert their",
        "paragraphs": [
          "para_1951",
          "para_1952",
          "para_1953",
          "para_1954",
          "para_1955",
          "para_1956",
          "para_1957",
          "para_1958"
        ]
      },
      {
        "title": "65",
        "paragraphs": [
          "para_1960"
        ]
      },
      {
        "title": "647 F.Supp.3d at p. 799.) Plaintiffs also contend Adventist",
        "paragraphs": [
          "para_1962",
          "para_1963",
          "para_1964",
          "para_1965",
          "para_1966",
          "para_1967",
          "para_1968",
          "para_1969"
        ]
      },
      {
        "title": "01277-BAS-KSC) 2021 WL 1102423, plaintiffs added italics.)",
        "paragraphs": []
      },
      {
        "title": "Plaintiffs bore the burden on their motion for class",
        "paragraphs": [
          "para_1972",
          "para_1973",
          "para_1974",
          "para_1975",
          "para_1976",
          "para_1977"
        ]
      },
      {
        "title": "CIPA claim—for which they cited only section 631—plaintiffs",
        "paragraphs": [
          "para_1979",
          "para_1980",
          "para_1981",
          "para_1982"
        ]
      },
      {
        "title": "Mendell in discussing the issue of whether class members had",
        "paragraphs": [
          "para_1984",
          "para_1985",
          "para_1986",
          "para_1987"
        ]
      },
      {
        "title": "Finally, we do not find plaintiffs’ belated citation to",
        "paragraphs": [
          "para_1989"
        ]
      },
      {
        "title": "66",
        "paragraphs": [
          "para_1991",
          "para_1992",
          "para_1993",
          "para_1994",
          "para_1995"
        ]
      },
      {
        "title": "34 Adventist’s response to plaintiffs’ trial plan noted plaintiffs’",
        "paragraphs": [
          "para_1997",
          "para_1998",
          "para_1999",
          "para_2000",
          "para_2001"
        ]
      },
      {
        "title": "CIPA claim as somehow agreeing that plaintiffs’ motion raised",
        "paragraphs": [
          "para_2003"
        ]
      },
      {
        "title": "67",
        "paragraphs": []
      },
      {
        "title": "DISPOSITION",
        "paragraphs": []
      },
      {
        "title": "We affirm the court’s order finding plaintiffs forfeited their",
        "paragraphs": [
          "para_2007",
          "para_2008",
          "para_2009",
          "para_2010",
          "para_2011",
          "para_2012",
          "para_2013"
        ]
      },
      {
        "title": "We concur:",
        "paragraphs": [
          "para_2015",
          "para_2016"
        ]
      },
      {
        "title": "Filed 8/24/26",
        "paragraphs": []
      },
      {
        "title": "CERTIFIED FOR PUBLICATION",
        "paragraphs": []
      },
      {
        "title": "IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA",
        "paragraphs": []
      },
      {
        "title": "SECOND APPELLATE DISTRICT",
        "paragraphs": []
      },
      {
        "title": "DIVISION THREE",
        "paragraphs": [
          "para_2022",
          "para_2023",
          "para_2024"
        ]
      },
      {
        "title": "ADVENTIST HEALTH SYSTEM/",
        "paragraphs": [
          "para_2026",
          "para_2027"
        ]
      },
      {
        "title": "B344951",
        "paragraphs": []
      },
      {
        "title": "Los Angeles County",
        "paragraphs": []
      },
      {
        "title": "Super. Ct. No. 22STCV36304",
        "paragraphs": []
      },
      {
        "title": "ORDER CERTIFYING",
        "paragraphs": []
      },
      {
        "title": "FOR PUBLICATION",
        "paragraphs": [
          "para_2033"
        ]
      },
      {
        "title": "JUDGMENT]",
        "paragraphs": []
      },
      {
        "title": "THE COURT:",
        "paragraphs": [
          "para_2036",
          "para_2037",
          "para_2038",
          "para_2039",
          "para_2040",
          "para_2041"
        ]
      }
    ],
    "paragraphs": [
      {
        "text": "Filed 7/24/26; Certified for Publication 8/24/26 (order attached)",
        "paragraph_id": "para_1"
      },
      {
        "text": "IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA",
        "paragraph_id": "para_2"
      },
      {
        "text": "SECOND APPELLATE DISTRICT",
        "paragraph_id": "para_3"
      },
      {
        "text": "DIVISION THREE",
        "paragraph_id": "para_4"
      },
      {
        "text": "JAMES DOE et al.,",
        "paragraph_id": "para_5"
      },
      {
        "text": "Plaintiffs and Appellants,",
        "paragraph_id": "para_6"
      },
      {
        "text": "v.",
        "paragraph_id": "para_7"
      },
      {
        "text": "ADVENTIST HEALTH SYSTEM/",
        "paragraph_id": "para_8"
      },
      {
        "text": "WEST,",
        "paragraph_id": "para_9"
      },
      {
        "text": "Defendant and Respondent.",
        "paragraph_id": "para_10"
      },
      {
        "text": "B344951",
        "paragraph_id": "para_11"
      },
      {
        "text": "Los Angeles County",
        "paragraph_id": "para_12"
      },
      {
        "text": "Super. Ct. No.",
        "paragraph_id": "para_13"
      },
      {
        "text": "22STCV36304",
        "paragraph_id": "para_14"
      },
      {
        "text": "APPEAL from an order of the Superior Court of",
        "paragraph_id": "para_15"
      },
      {
        "text": "Los Angeles County, Laura A. Seigle, Judge. Affirmed in part,",
        "paragraph_id": "para_16"
      },
      {
        "text": "reversed in part, and remanded.",
        "paragraph_id": "para_17"
      },
      {
        "text": "Caddell & Chapman, Michael A. Caddell, Cynthia B.",
        "paragraph_id": "para_18"
      },
      {
        "text": "Chapman, Amy E. Tabor; Ahmad, Zavitsanos & Mensing, Foster",
        "paragraph_id": "para_19"
      },
      {
        "text": "C. Johnson, Kelsi White; LippSmith, Graham B. LippSmith,",
        "paragraph_id": "para_20"
      },
      {
        "text": "MaryBeth LippSmith and Jaclyn L. Anderson for Plaintiffs",
        "paragraph_id": "para_21"
      },
      {
        "text": "and Appellants.",
        "paragraph_id": "para_22"
      },
      {
        "text": "Seyfarth Shaw, Kristine Rinella Argentine and Sierra J.",
        "paragraph_id": "para_23"
      },
      {
        "text": "Chinn-Liu for Defendant and Respondent",
        "paragraph_id": "para_24"
      },
      {
        "text": "_________________________",
        "paragraph_id": "para_25"
      },
      {
        "text": "2",
        "paragraph_id": "para_26"
      },
      {
        "text": "Plaintiffs—four Does who are or were patients of defendant",
        "paragraph_id": "para_27"
      },
      {
        "text": "Adventist Health System/West (Adventist)—brought this",
        "paragraph_id": "para_28"
      },
      {
        "text": "putative class action asserting claims against Adventist for,",
        "paragraph_id": "para_29"
      },
      {
        "text": "among others, violations of the California Invasion of Privacy",
        "paragraph_id": "para_30"
      },
      {
        "text": "Act (CIPA) (Pen. Code, §§ 630 et seq.)1 and the California",
        "paragraph_id": "para_31"
      },
      {
        "text": "Confidentiality of Medical Information Act (CMIA). Plaintiffs",
        "paragraph_id": "para_32"
      },
      {
        "text": "alleged Adventist shared (without their knowledge) their—and",
        "paragraph_id": "para_33"
      },
      {
        "text": "similarly situated patients’—personal information with third",
        "paragraph_id": "para_34"
      },
      {
        "text": "parties through web-based tracking technologies—the Meta Pixel",
        "paragraph_id": "para_35"
      },
      {
        "text": "and/or Google Analytics—installed on Adventist’s websites,",
        "paragraph_id": "para_36"
      },
      {
        "text": "including its public health risk assessment (HRA) website",
        "paragraph_id": "para_37"
      },
      {
        "text": "and its password-protected patient portal. The tools allegedly",
        "paragraph_id": "para_38"
      },
      {
        "text": "tracked site users’ activities, collected their data, and sent",
        "paragraph_id": "para_39"
      },
      {
        "text": "the information—including personally identifiable information,",
        "paragraph_id": "para_40"
      },
      {
        "text": "the contents of users’ communications with Adventist, and",
        "paragraph_id": "para_41"
      },
      {
        "text": "protected health information (PHI)—to Facebook (Meta)",
        "paragraph_id": "para_42"
      },
      {
        "text": "and Google, who shared the data with advertisers.",
        "paragraph_id": "para_43"
      },
      {
        "text": "Plaintiffs sought to certify a class consisting of Adventist",
        "paragraph_id": "para_44"
      },
      {
        "text": "patients with California addresses who—for the period from",
        "paragraph_id": "para_45"
      },
      {
        "text": "November 16, 2017 to April 30, 2024—“used the Adventist",
        "paragraph_id": "para_46"
      },
      {
        "text": "website or patient portal to exchange communications with",
        "paragraph_id": "para_47"
      },
      {
        "text": "Adventist . . . for researching medical conditions or treatments,",
        "paragraph_id": "para_48"
      },
      {
        "text": "finding a physician, making an appointment, or submitting a",
        "paragraph_id": "para_49"
      },
      {
        "text": "health risk assessment form” (general class), and four subclasses.",
        "paragraph_id": "para_50"
      },
      {
        "text": "Only two subclasses are relevant to this appeal: (1) the patient",
        "paragraph_id": "para_51"
      },
      {
        "text": "portal subclass, consisting of all class members “who were",
        "paragraph_id": "para_52"
      },
      {
        "text": "logged into Adventist[’s] . . . patient portal up until May 2023”;",
        "paragraph_id": "para_53"
      },
      {
        "text": "1 Undesignated statutory references are to the Penal Code.",
        "paragraph_id": "para_54"
      },
      {
        "text": "3",
        "paragraph_id": "para_55"
      },
      {
        "text": "and (2) the HRA form subclass, consisting of all class members",
        "paragraph_id": "para_56"
      },
      {
        "text": "“who submitted an online [HRA] form to Adventist.”",
        "paragraph_id": "para_57"
      },
      {
        "text": "The trial court denied plaintiffs’ motion in its entirety.",
        "paragraph_id": "para_58"
      },
      {
        "text": "Plaintiffs appeal from the trial court’s denial of class certification",
        "paragraph_id": "para_59"
      },
      {
        "text": "of the patient portal and HRA form subclasses only. The trial",
        "paragraph_id": "para_60"
      },
      {
        "text": "court concluded, as relevant here, plaintiffs failed to establish:",
        "paragraph_id": "para_61"
      },
      {
        "text": "(1) the patient portal class was ascertainable, (2) common issues",
        "paragraph_id": "para_62"
      },
      {
        "text": "predominated over individual ones for both subclasses, and",
        "paragraph_id": "para_63"
      },
      {
        "text": "(3) the superiority and manageability of a class action. The",
        "paragraph_id": "para_64"
      },
      {
        "text": "court also found plaintiffs had “dropped any attempt to certify",
        "paragraph_id": "para_65"
      },
      {
        "text": "a class” for violations of CIPA under section 632.",
        "paragraph_id": "para_66"
      },
      {
        "text": "The court primarily reasoned that determining whether",
        "paragraph_id": "para_67"
      },
      {
        "text": "the data the tracking technologies sent to third parties contained",
        "paragraph_id": "para_68"
      },
      {
        "text": "the “contents” of users’ communications (CIPA) or users’ “medical",
        "paragraph_id": "para_69"
      },
      {
        "text": "information” (CMIA) would require an individual inquiry into the",
        "paragraph_id": "para_70"
      },
      {
        "text": "information transmitted for each user. The court also reasoned",
        "paragraph_id": "para_71"
      },
      {
        "text": "that plaintiffs had not explained how to ascertain which of the",
        "paragraph_id": "para_72"
      },
      {
        "text": "patients who had logged into the patient portal had engaged in",
        "paragraph_id": "para_73"
      },
      {
        "text": "activities that resulted in transmission of actionable information.",
        "paragraph_id": "para_74"
      },
      {
        "text": "Plaintiffs challenge the rulings, arguing the undisputed record",
        "paragraph_id": "para_75"
      },
      {
        "text": "evidence showed the patient portal class was ascertainable;",
        "paragraph_id": "para_76"
      },
      {
        "text": "the court misunderstood the record, misapplied the definition",
        "paragraph_id": "para_77"
      },
      {
        "text": "of “medical information,” ignored plaintiffs’ theory of liability,",
        "paragraph_id": "para_78"
      },
      {
        "text": "and prematurely determined the merits in finding common issues",
        "paragraph_id": "para_79"
      },
      {
        "text": "did not predominate; and they demonstrated the manageability of",
        "paragraph_id": "para_80"
      },
      {
        "text": "the two subclasses and superiority of a class action to individual",
        "paragraph_id": "para_81"
      },
      {
        "text": "trials. We reverse the court’s denial of class certification of the",
        "paragraph_id": "para_82"
      },
      {
        "text": "HRA form subclass and partially reverse as to the patient portal",
        "paragraph_id": "para_83"
      },
      {
        "text": "subclass.",
        "paragraph_id": "para_84"
      },
      {
        "text": "4",
        "paragraph_id": "para_85"
      },
      {
        "text": "BACKGROUND",
        "paragraph_id": "para_86"
      },
      {
        "text": "1. Background on tracking technologies2",
        "paragraph_id": "para_87"
      },
      {
        "text": "A web browser communicates with a website’s servers to",
        "paragraph_id": "para_88"
      },
      {
        "text": "download and display the website’s content on the user’s screen.",
        "paragraph_id": "para_89"
      },
      {
        "text": "To do so, the web browser sends HTTP (hypertext transfer",
        "paragraph_id": "para_90"
      },
      {
        "text": "protocol) requests to download files from the website’s servers.3",
        "paragraph_id": "para_91"
      },
      {
        "text": "The HTTP request “contains an IP address, which [is] an",
        "paragraph_id": "para_92"
      },
      {
        "text": "identifier assigned to any Internet-connected device,” as well",
        "paragraph_id": "para_93"
      },
      {
        "text": "as “a URL, which represents the address of the file that a",
        "paragraph_id": "para_94"
      },
      {
        "text": "web browser is requesting from a web server,” and the “[u]ser",
        "paragraph_id": "para_95"
      },
      {
        "text": "[a]gent,” which “identifies the details of the operating system",
        "paragraph_id": "para_96"
      },
      {
        "text": "and web browser.” “A URL contains the server’s domain name,",
        "paragraph_id": "para_97"
      },
      {
        "text": "the path of the file located on the server that is being requested,",
        "paragraph_id": "para_98"
      },
      {
        "text": "and a list of query parameters that contain additional",
        "paragraph_id": "para_99"
      },
      {
        "text": "information being sent from a web browser to a web server.”",
        "paragraph_id": "para_100"
      },
      {
        "text": "“Cookies” are “used by web servers to keep track of past",
        "paragraph_id": "para_101"
      },
      {
        "text": "interactions with the web browser.” Cookies can store",
        "paragraph_id": "para_102"
      },
      {
        "text": "“identifiers” “used to identify a specific user account or a specific",
        "paragraph_id": "para_103"
      },
      {
        "text": "device/browser.” “Third-party cookies”—set by a third-party",
        "paragraph_id": "para_104"
      },
      {
        "text": "server—“allow cross-site tracking of a user across different",
        "paragraph_id": "para_105"
      },
      {
        "text": "websites.” On the other hand, “first-party cookies”—set by the",
        "paragraph_id": "para_106"
      },
      {
        "text": "first-party server—“allow same-site tracking of a user on a",
        "paragraph_id": "para_107"
      },
      {
        "text": "particular website.”",
        "paragraph_id": "para_108"
      },
      {
        "text": "2 We glean most of this background from the report of",
        "paragraph_id": "para_109"
      },
      {
        "text": "plaintiffs’ expert Dr. Zubair Shafiq. Quoted material omits",
        "paragraph_id": "para_110"
      },
      {
        "text": "footnote references.",
        "paragraph_id": "para_111"
      },
      {
        "text": "3 The first HTTP request sent “is typically for the Hypertext",
        "paragraph_id": "para_112"
      },
      {
        "text": "Markup Language (HTML) file.” The HTML file contains the",
        "paragraph_id": "para_113"
      },
      {
        "text": "source code or content of a webpage.",
        "paragraph_id": "para_114"
      },
      {
        "text": "5",
        "paragraph_id": "para_115"
      },
      {
        "text": "A “tracking pixel”—such as the Meta Pixel and Google",
        "paragraph_id": "para_116"
      },
      {
        "text": "Analytics—is a piece of code or image “that is used to track",
        "paragraph_id": "para_117"
      },
      {
        "text": "users’ browsing activity on the web.” “When a tracking pixel is",
        "paragraph_id": "para_118"
      },
      {
        "text": "installed on a website by a first party, it allows a third party (i.e.,",
        "paragraph_id": "para_119"
      },
      {
        "text": "a domain that is different from the first-party website that a user",
        "paragraph_id": "para_120"
      },
      {
        "text": "navigates to) to track a user across different websites where the",
        "paragraph_id": "para_121"
      },
      {
        "text": "tracking pixel is installed. Put simply, a tracking pixel allows",
        "paragraph_id": "para_122"
      },
      {
        "text": "a third party to tell that a user visited website A at time A,",
        "paragraph_id": "para_123"
      },
      {
        "text": "website B at time B, and so on.” Tracking pixels “also ghostwrite",
        "paragraph_id": "para_124"
      },
      {
        "text": "first-party cookies on the visited website’s domain to circumvent",
        "paragraph_id": "para_125"
      },
      {
        "text": "third-party cookie blocking.”",
        "paragraph_id": "para_126"
      },
      {
        "text": "A tracking pixel collects “two types of data”—“identifiers”",
        "paragraph_id": "para_127"
      },
      {
        "text": "and “browsing activity”—“in HTTP requests from a user’s web",
        "paragraph_id": "para_128"
      },
      {
        "text": "browser to the tracking pixel’s web server.” “Identifiers” are",
        "paragraph_id": "para_129"
      },
      {
        "text": "collected through cookies stored by the web browser, and “the",
        "paragraph_id": "para_130"
      },
      {
        "text": "combination of IP address and user agent in the transmission",
        "paragraph_id": "para_131"
      },
      {
        "text": "from a user’s web browser to the pixel’s web server.” Identifiers",
        "paragraph_id": "para_132"
      },
      {
        "text": "stored in cookies can include “account identifiers”—“that",
        "paragraph_id": "para_133"
      },
      {
        "text": "uniquely identify the user visiting the website” akin to a driver’s",
        "paragraph_id": "para_134"
      },
      {
        "text": "license number—and “device identifiers”—“that uniquely identify",
        "paragraph_id": "para_135"
      },
      {
        "text": "the user’s device” akin to a vehicle’s license plate number.",
        "paragraph_id": "para_136"
      },
      {
        "text": "The combination of IP address and user agent (or other browser",
        "paragraph_id": "para_137"
      },
      {
        "text": "or device information) “contains sufficiently distinguishing",
        "paragraph_id": "para_138"
      },
      {
        "text": "information” that can be “used as a unique identifier,” known",
        "paragraph_id": "para_139"
      },
      {
        "text": "as “fingerprinting.”",
        "paragraph_id": "para_140"
      },
      {
        "text": "A website may “install tracking pixels from third-party",
        "paragraph_id": "para_141"
      },
      {
        "text": "companies such as Google and Meta to optimize ad campaigns",
        "paragraph_id": "para_142"
      },
      {
        "text": "that they run on Google . . . and Meta.” Thus, “a website may",
        "paragraph_id": "para_143"
      },
      {
        "text": "install and purposefully configure tracking pixels in its HTML",
        "paragraph_id": "para_144"
      },
      {
        "text": "source code to share information about specific actions a user",
        "paragraph_id": "para_145"
      },
      {
        "text": "6",
        "paragraph_id": "para_146"
      },
      {
        "text": "takes on their website with the tracking pixel’s server.” For",
        "paragraph_id": "para_147"
      },
      {
        "text": "example, these tracking technologies can track “events,” such as",
        "paragraph_id": "para_148"
      },
      {
        "text": "when a “button” is clicked, a form is submitted, or a page is",
        "paragraph_id": "para_149"
      },
      {
        "text": "viewed on a website.",
        "paragraph_id": "para_150"
      },
      {
        "text": "Google describes Google Analytics as “ ‘a platform that",
        "paragraph_id": "para_151"
      },
      {
        "text": "collects data from your websites and apps to create reports",
        "paragraph_id": "para_152"
      },
      {
        "text": "that provide insights into your business.’ ” “ ‘Every time a user",
        "paragraph_id": "para_153"
      },
      {
        "text": "visits a webpage, the tracking code will collect pseudonymous",
        "paragraph_id": "para_154"
      },
      {
        "text": "information about how that user interacted with the page.’ ”",
        "paragraph_id": "para_155"
      },
      {
        "text": "Google Analytics “uses both first-party and third-party cookies”",
        "paragraph_id": "para_156"
      },
      {
        "text": "—that store account and device identifiers—“to track users on",
        "paragraph_id": "para_157"
      },
      {
        "text": "and across different websites.” It also has a feature that “allows",
        "paragraph_id": "para_158"
      },
      {
        "text": "Google to link or associate the data with Google accounts of users",
        "paragraph_id": "para_159"
      },
      {
        "text": "who have signed into their Google accounts.” Meta describes",
        "paragraph_id": "para_160"
      },
      {
        "text": "Meta Pixel (formerly called Facebook Pixel) as “a piece of code",
        "paragraph_id": "para_161"
      },
      {
        "text": "on your website that can help you better understand the",
        "paragraph_id": "para_162"
      },
      {
        "text": "effectiveness of your advertising and the actions people take",
        "paragraph_id": "para_163"
      },
      {
        "text": "on your site, like visiting a page or adding an item to their cart.",
        "paragraph_id": "para_164"
      },
      {
        "text": "You’ll also be able to see when customers took an action after",
        "paragraph_id": "para_165"
      },
      {
        "text": "seeing your ad on Facebook and Instagram.” By default, the",
        "paragraph_id": "para_166"
      },
      {
        "text": "Meta Pixel “will track URLs visited, domains visited, and the",
        "paragraph_id": "para_167"
      },
      {
        "text": "devices [users] use.” The Meta Pixel also uses first- and third-",
        "paragraph_id": "para_168"
      },
      {
        "text": "party cookies that store account and device identifiers to track",
        "paragraph_id": "para_169"
      },
      {
        "text": "users across different websites. For example, the Meta Pixel—",
        "paragraph_id": "para_170"
      },
      {
        "text": "through cookies—stores a user’s device identifier and Facebook",
        "paragraph_id": "para_171"
      },
      {
        "text": "account identifier and “collects them on the facebook.com",
        "paragraph_id": "para_172"
      },
      {
        "text": "domain.”",
        "paragraph_id": "para_173"
      },
      {
        "text": "In Adventist’s words, these tracking technologies “cause",
        "paragraph_id": "para_174"
      },
      {
        "text": "different networks (i.e., the Adventist Health server and Google/",
        "paragraph_id": "para_175"
      },
      {
        "text": "Meta servers) to communicate with each other, causing certain",
        "paragraph_id": "para_176"
      },
      {
        "text": "7",
        "paragraph_id": "para_177"
      },
      {
        "text": "categories of data to be transmitted to Google/Meta.” The",
        "paragraph_id": "para_178"
      },
      {
        "text": "“ ‘baseline data’ ” shared consists of first-party cookie identifiers,",
        "paragraph_id": "para_179"
      },
      {
        "text": "URLs, IP addresses—whether complete or partially masked—",
        "paragraph_id": "para_180"
      },
      {
        "text": "and user agent data.",
        "paragraph_id": "para_181"
      },
      {
        "text": "2. Adventist’s use of tracking technologies",
        "paragraph_id": "para_182"
      },
      {
        "text": "Adventist is a nonprofit, faith-based healthcare system",
        "paragraph_id": "para_183"
      },
      {
        "text": "serving communities on the west coast and Hawaii. Between",
        "paragraph_id": "para_184"
      },
      {
        "text": "2017 and 2024, Adventist installed the Meta Pixel and/or Google",
        "paragraph_id": "para_185"
      },
      {
        "text": "Analytics on its websites, including its public-facing website at",
        "paragraph_id": "para_186"
      },
      {
        "text": "adventisthealth.org, its patient portal at myadventisthealth.org,",
        "paragraph_id": "para_187"
      },
      {
        "text": "and its public HRA website at adventisthealthhra.org.",
        "paragraph_id": "para_188"
      },
      {
        "text": "Adventist placed advertisements on Facebook and other",
        "paragraph_id": "para_189"
      },
      {
        "text": "digital platforms, encouraging potential patients to click on a",
        "paragraph_id": "para_190"
      },
      {
        "text": "link where they could, for example, fill out an HRA form. The",
        "paragraph_id": "para_191"
      },
      {
        "text": "ad links also could lead users to Adventist’s website or an ad",
        "paragraph_id": "para_192"
      },
      {
        "text": "campaign landing page where they could, for example, request",
        "paragraph_id": "para_193"
      },
      {
        "text": "an appointment, attend a webinar, or, again, fill out an HRA",
        "paragraph_id": "para_194"
      },
      {
        "text": "form. Adventist used the tracking technologies in connection",
        "paragraph_id": "para_195"
      },
      {
        "text": "with its online marketing efforts “to understand how many users",
        "paragraph_id": "para_196"
      },
      {
        "text": "[we]re clicking on” a particular “ad and getting to [Adventist’s]",
        "paragraph_id": "para_197"
      },
      {
        "text": "site so that [Adventist could] optimize the best performing ads.”",
        "paragraph_id": "para_198"
      },
      {
        "text": "In other words, the tracking pixels enabled Adventist to",
        "paragraph_id": "para_199"
      },
      {
        "text": "determine if an ad campaign was resulting in “conversions”—",
        "paragraph_id": "para_200"
      },
      {
        "text": "users interacting with the website through pageviews, clicks,",
        "paragraph_id": "para_201"
      },
      {
        "text": "form submissions (including HRAs), downloads, etc. Adventist",
        "paragraph_id": "para_202"
      },
      {
        "text": "installed Google Analytics on its patient portal to gain “valuable",
        "paragraph_id": "para_203"
      },
      {
        "text": "insight,” rather than for marketing purposes, however.",
        "paragraph_id": "para_204"
      },
      {
        "text": "a. The patient portal",
        "paragraph_id": "para_205"
      },
      {
        "text": "The patient portal—hosted by Adventist’s business",
        "paragraph_id": "para_206"
      },
      {
        "text": "associate, Cerner—is a password-protected website where, among",
        "paragraph_id": "para_207"
      },
      {
        "text": "8",
        "paragraph_id": "para_208"
      },
      {
        "text": "other things, Adventist patients can access information from",
        "paragraph_id": "para_209"
      },
      {
        "text": "their electronic health record, including test results; exchange",
        "paragraph_id": "para_210"
      },
      {
        "text": "messages with healthcare providers; review treatment",
        "paragraph_id": "para_211"
      },
      {
        "text": "information; schedule appointments; and pay bills. Users can",
        "paragraph_id": "para_212"
      },
      {
        "text": "navigate directly to the patient portal login from their browser",
        "paragraph_id": "para_213"
      },
      {
        "text": "or access it from within the main Adventist website through the",
        "paragraph_id": "para_214"
      },
      {
        "text": "“Patient Login” button. Adventist installed only Google Analytics",
        "paragraph_id": "para_215"
      },
      {
        "text": "on the patient portal, not the Meta Pixel.",
        "paragraph_id": "para_216"
      },
      {
        "text": "Google Analytics normally shares information about",
        "paragraph_id": "para_217"
      },
      {
        "text": "“events” such as, “page views, scrolls, outbound clicks,",
        "paragraph_id": "para_218"
      },
      {
        "text": "site search, form interactions, video engagement, [and] file",
        "paragraph_id": "para_219"
      },
      {
        "text": "downloads.” Adventist was unaware of any modification made",
        "paragraph_id": "para_220"
      },
      {
        "text": "to the type of data Google Analytics collected and transmitted",
        "paragraph_id": "para_221"
      },
      {
        "text": "within the patient portal.4 However, Cerner took security",
        "paragraph_id": "para_222"
      },
      {
        "text": "measures within the patient portal to “configure[ ] [Google",
        "paragraph_id": "para_223"
      },
      {
        "text": "Analytics] to anonymize the IP address[es]” it stored—by",
        "paragraph_id": "para_224"
      },
      {
        "text": "“truncat[ing] the last octet of the IP address”—and “to obfuscate",
        "paragraph_id": "para_225"
      },
      {
        "text": "[portions of] URLs that were provided when a user browses”",
        "paragraph_id": "para_226"
      },
      {
        "text": "the website. To obfuscate the URLs, Cerner used a pattern",
        "paragraph_id": "para_227"
      },
      {
        "text": "recognition software that scanned individual URLs and, if the",
        "paragraph_id": "para_228"
      },
      {
        "text": "URL “matched a pattern that included an identifier or reference",
        "paragraph_id": "para_229"
      },
      {
        "text": "to potential PHI,” that portion of the URL was removed or",
        "paragraph_id": "para_230"
      },
      {
        "text": "replaced with a generic term. For example, if a URL included a",
        "paragraph_id": "para_231"
      },
      {
        "text": "personal or document identification number, Cerner’s software",
        "paragraph_id": "para_232"
      },
      {
        "text": "replaced it with “PERSON_ID” or “DOCUMENT_ID.” Cerner",
        "paragraph_id": "para_233"
      },
      {
        "text": "also “ ‘removed the “query parameter” portion of a URL,",
        "paragraph_id": "para_234"
      },
      {
        "text": "4 Discovery Shafiq reviewed showed Google Analytics was",
        "paragraph_id": "para_235"
      },
      {
        "text": "tracking information inside the patient portal about “Logins,”",
        "paragraph_id": "para_236"
      },
      {
        "text": "“Pageviews,” “Health Record – Results,” “Download/Transmit,”",
        "paragraph_id": "para_237"
      },
      {
        "text": "“Messages,” and others.",
        "paragraph_id": "para_238"
      },
      {
        "text": "9",
        "paragraph_id": "para_239"
      },
      {
        "text": "if present, which reflects searches or other information input",
        "paragraph_id": "para_240"
      },
      {
        "text": "by the user’ ” on the web page.5",
        "paragraph_id": "para_241"
      },
      {
        "text": "In May 2023, Cerner removed Google Analytics.",
        "paragraph_id": "para_242"
      },
      {
        "text": "b. HRA website",
        "paragraph_id": "para_243"
      },
      {
        "text": "Beginning in 2019 or 2020, Adventist partnered with",
        "paragraph_id": "para_244"
      },
      {
        "text": "HealthAware to provide HRAs “through the adventisthealth",
        "paragraph_id": "para_245"
      },
      {
        "text": "hra.org website to the public as a marketing tool to identify",
        "paragraph_id": "para_246"
      },
      {
        "text": "and reach people who may be at an increased risk for certain",
        "paragraph_id": "para_247"
      },
      {
        "text": "health conditions and who would benefit from a medical",
        "paragraph_id": "para_248"
      },
      {
        "text": "evaluation related” to the condition. HRAs could be accessed",
        "paragraph_id": "para_249"
      },
      {
        "text": "directly through the “main website,” through “a specific subpage",
        "paragraph_id": "para_250"
      },
      {
        "text": "of the main website,” or by clicking on an advertisement “on a",
        "paragraph_id": "para_251"
      },
      {
        "text": "third-party website such as Facebook or Google”; they generally",
        "paragraph_id": "para_252"
      },
      {
        "text": "were accessed through ads. When individuals filled out an",
        "paragraph_id": "para_253"
      },
      {
        "text": "HRA form and clicked the link to submit it, they were told if",
        "paragraph_id": "para_254"
      },
      {
        "text": "they were at “low risk,” “moderate risk,” or “high risk” for the",
        "paragraph_id": "para_255"
      },
      {
        "text": "health condition assessed.",
        "paragraph_id": "para_256"
      },
      {
        "text": "Records of the individuals who completed an HRA—",
        "paragraph_id": "para_257"
      },
      {
        "text": "including identifying information the user provided (e.g., name,",
        "paragraph_id": "para_258"
      },
      {
        "text": "date of birth, contact information), which HRA they took",
        "paragraph_id": "para_259"
      },
      {
        "text": "5 The URL “query string” includes “search terms” input by",
        "paragraph_id": "para_260"
      },
      {
        "text": "the user. For example, in the URL “https://www.adventisthealth.",
        "paragraph_id": "para_261"
      },
      {
        "text": "org/site-search/?C=pregnancy” the query string (after the “?”)",
        "paragraph_id": "para_262"
      },
      {
        "text": "shows a search was done at the Adventist website for information",
        "paragraph_id": "para_263"
      },
      {
        "text": "about pregnancy. The following URL has a “path” but no query",
        "paragraph_id": "para_264"
      },
      {
        "text": "string: “https://www.adventisthealth.org/services/cancer-",
        "paragraph_id": "para_265"
      },
      {
        "text": "oncology.” The “path” is “services/cancer-oncology” indicating the",
        "paragraph_id": "para_266"
      },
      {
        "text": "user viewed information about cancer-oncology under “services.”",
        "paragraph_id": "para_267"
      },
      {
        "text": "(See In re Meta Pixel Healthcare Litigation (N.D.Cal. 2022)",
        "paragraph_id": "para_268"
      },
      {
        "text": "647 F.Supp.3d 778, 795–796 and fn. 10 (Meta Pixel) [examples",
        "paragraph_id": "para_269"
      },
      {
        "text": "of a URL path and query string].)",
        "paragraph_id": "para_270"
      },
      {
        "text": "10",
        "paragraph_id": "para_271"
      },
      {
        "text": "and when, the risk level assigned, whether they wished to",
        "paragraph_id": "para_272"
      },
      {
        "text": "be contacted, and the lead source (how they came to the HRA",
        "paragraph_id": "para_273"
      },
      {
        "text": "website)—were stored in Adventist’s “Salesforce Customer",
        "paragraph_id": "para_274"
      },
      {
        "text": "Relationship Management” (CRM) system. The tracking pixels",
        "paragraph_id": "para_275"
      },
      {
        "text": "installed on the website shared with Google and Meta that an",
        "paragraph_id": "para_276"
      },
      {
        "text": "HRA form had been submitted.",
        "paragraph_id": "para_277"
      },
      {
        "text": "3. Plaintiffs’ class action lawsuit",
        "paragraph_id": "para_278"
      },
      {
        "text": "Plaintiffs are current or former Adventist patients who",
        "paragraph_id": "para_279"
      },
      {
        "text": "interacted with Adventist’s websites, including the patient portal.",
        "paragraph_id": "para_280"
      },
      {
        "text": "Plaintiffs sued Adventist, as individuals and on behalf of a",
        "paragraph_id": "para_281"
      },
      {
        "text": "putative statewide class of Adventist patients or prospective",
        "paragraph_id": "para_282"
      },
      {
        "text": "patients who “exchanged communications” at one of Adventist’s",
        "paragraph_id": "para_283"
      },
      {
        "text": "websites between November 2017 and 2024.6 Plaintiffs alleged",
        "paragraph_id": "para_284"
      },
      {
        "text": "Adventist installed tracking technologies throughout its public",
        "paragraph_id": "para_285"
      },
      {
        "text": "websites and patient portal that acted as “listening and recording",
        "paragraph_id": "para_286"
      },
      {
        "text": "device[s]” permitting Meta7 and Google to “eavesdrop[ ]” on their",
        "paragraph_id": "para_287"
      },
      {
        "text": "and purported class members’ communications with Adventist—",
        "paragraph_id": "para_288"
      },
      {
        "text": "their healthcare provider. Through these tracking technologies,",
        "paragraph_id": "para_289"
      },
      {
        "text": "Adventist allegedly disclosed plaintiffs’ personally identifiable",
        "paragraph_id": "para_290"
      },
      {
        "text": "information and PHI—without their consent—to Meta and",
        "paragraph_id": "para_291"
      },
      {
        "text": "Google. Plaintiffs alleged the tracking technologies transmitted",
        "paragraph_id": "para_292"
      },
      {
        "text": "Adventist website users’ IP addresses, URLs generated from",
        "paragraph_id": "para_293"
      },
      {
        "text": "users’ searches and logins, and users’ personal data input on",
        "paragraph_id": "para_294"
      },
      {
        "text": "the websites. The information shared with Meta and Google",
        "paragraph_id": "para_295"
      },
      {
        "text": "allegedly included, among other things, plaintiffs’ and proposed",
        "paragraph_id": "para_296"
      },
      {
        "text": "class members’ status as Adventist patients, their medical",
        "paragraph_id": "para_297"
      },
      {
        "text": "6 Plaintiffs filed the operative third amended complaint",
        "paragraph_id": "para_298"
      },
      {
        "text": "(TAC) on June 25, 2024.",
        "paragraph_id": "para_299"
      },
      {
        "text": "7 Meta owns Facebook.",
        "paragraph_id": "para_300"
      },
      {
        "text": "11",
        "paragraph_id": "para_301"
      },
      {
        "text": "providers, their actual or potential medical conditions and",
        "paragraph_id": "para_302"
      },
      {
        "text": "treatments, and their “personal identities.”",
        "paragraph_id": "para_303"
      },
      {
        "text": "Plaintiffs alleged Meta/Google used the information",
        "paragraph_id": "para_304"
      },
      {
        "text": "collected from Adventist’s websites to sell targeted advertising",
        "paragraph_id": "para_305"
      },
      {
        "text": "services. In return, Adventist received analytics about its",
        "paragraph_id": "para_306"
      },
      {
        "text": "websites to optimize its marketing efforts and ad placement,",
        "paragraph_id": "para_307"
      },
      {
        "text": "to enhance user experience, and to monitor how many users",
        "paragraph_id": "para_308"
      },
      {
        "text": "engaged with its websites. Plaintiffs alleged they visited",
        "paragraph_id": "para_309"
      },
      {
        "text": "Adventist’s public website and patient portal where they",
        "paragraph_id": "para_310"
      },
      {
        "text": "entered medical information, searched for a doctor, searched",
        "paragraph_id": "para_311"
      },
      {
        "text": "for information about a medical condition and/or its treatment,",
        "paragraph_id": "para_312"
      },
      {
        "text": "filled out an HRA, made appointments, and/or reviewed test",
        "paragraph_id": "para_313"
      },
      {
        "text": "results. Plaintiffs then received advertisements on their",
        "paragraph_id": "para_314"
      },
      {
        "text": "Facebook pages relating to their medical conditions.",
        "paragraph_id": "para_315"
      },
      {
        "text": "Plaintiffs asserted ten separate causes of action against",
        "paragraph_id": "para_316"
      },
      {
        "text": "Adventist, including, among others: one claim for violating CIPA",
        "paragraph_id": "para_317"
      },
      {
        "text": "by using a recording device—the tracking technologies—to record",
        "paragraph_id": "para_318"
      },
      {
        "text": "confidential communications without plaintiffs’ or class members’",
        "paragraph_id": "para_319"
      },
      {
        "text": "consent and transmitting that information to others (§ 632,",
        "paragraph_id": "para_320"
      },
      {
        "text": "subd. (a)) (§ 632(a)), and by “aid[ing]” third parties in the",
        "paragraph_id": "para_321"
      },
      {
        "text": "interception of the “contents” of plaintiffs’ and class members’",
        "paragraph_id": "para_322"
      },
      {
        "text": "communications with Adventist (§ 631, subd. (a)) (§ 631(a)); three",
        "paragraph_id": "para_323"
      },
      {
        "text": "separate claims for violating CMIA by failing to “maintain the",
        "paragraph_id": "para_324"
      },
      {
        "text": "confidentiality of users’ medical information” (Civ. Code, § 56.06),",
        "paragraph_id": "para_325"
      },
      {
        "text": "by negligently failing to “maintain, preserve, and store” plaintiffs’",
        "paragraph_id": "para_326"
      },
      {
        "text": "and class members’ medical information “in a manner that",
        "paragraph_id": "para_327"
      },
      {
        "text": "preserve[d] the confidentiality” of that information (Civ. Code,",
        "paragraph_id": "para_328"
      },
      {
        "text": "§ 56.101), and by disclosing plaintiffs’ and class members’",
        "paragraph_id": "para_329"
      },
      {
        "text": "“sensitive medical information” without their consent (Civ. Code,",
        "paragraph_id": "para_330"
      },
      {
        "text": "§ 56.10); two claims for violating the Unfair Competition Law",
        "paragraph_id": "para_331"
      },
      {
        "text": "12",
        "paragraph_id": "para_332"
      },
      {
        "text": "(Bus. & Prof. Code, § 17200 et seq.) (UCL) based on its violations",
        "paragraph_id": "para_333"
      },
      {
        "text": "of CIPA and CMIA; and a claim for invasion of privacy (Cal.",
        "paragraph_id": "para_334"
      },
      {
        "text": "Const., art. 1, § 1).",
        "paragraph_id": "para_335"
      },
      {
        "text": "4. Class certification motion, opposition, and reply",
        "paragraph_id": "para_336"
      },
      {
        "text": "On June 25, 2024, plaintiffs also filed their motion for class",
        "paragraph_id": "para_337"
      },
      {
        "text": "certification. Both sides submitted reports from their experts,",
        "paragraph_id": "para_338"
      },
      {
        "text": "various declarations, deposition testimony, and other exhibits.8",
        "paragraph_id": "para_339"
      },
      {
        "text": "a. Motion",
        "paragraph_id": "para_340"
      },
      {
        "text": "Plaintiffs proposed the general class—for the period from",
        "paragraph_id": "para_341"
      },
      {
        "text": "November 16, 2017 to April 30, 2024—consist of “all Adventist",
        "paragraph_id": "para_342"
      },
      {
        "text": "Health patients with an address in California who used the",
        "paragraph_id": "para_343"
      },
      {
        "text": "Adventist website or patient portal to exchange communications",
        "paragraph_id": "para_344"
      },
      {
        "text": "with Adventist Health, including researching medical conditions",
        "paragraph_id": "para_345"
      },
      {
        "text": "or treatments, finding a physician, making an appointment,",
        "paragraph_id": "para_346"
      },
      {
        "text": "or submitting a health risk assessment form.”9 (Italics added.)",
        "paragraph_id": "para_347"
      },
      {
        "text": "Plaintiffs also moved to certify four subclasses, including,",
        "paragraph_id": "para_348"
      },
      {
        "text": "a patient portal subclass consisting of “All Class members who",
        "paragraph_id": "para_349"
      },
      {
        "text": "were registered users of Adventist Health’s patient portal up",
        "paragraph_id": "para_350"
      },
      {
        "text": "until March 29, 2024” (italics added), and an HRA form subclass,",
        "paragraph_id": "para_351"
      },
      {
        "text": "8 Plaintiffs’ expert Shafiq’s report summarized his testing",
        "paragraph_id": "para_352"
      },
      {
        "text": "and analysis as showing Adventist “uniformly shared patient",
        "paragraph_id": "para_353"
      },
      {
        "text": "identifiers (e.g., identifiers of accounts or devices used by",
        "paragraph_id": "para_354"
      },
      {
        "text": "patients) alongside content information (e.g., page title and URL)",
        "paragraph_id": "para_355"
      },
      {
        "text": "with third-party companies such as Google and Meta. Therefore,",
        "paragraph_id": "para_356"
      },
      {
        "text": "any patient who used Adventist Health’s website to search for",
        "paragraph_id": "para_357"
      },
      {
        "text": "a doctor, make an appointment, or access the patient portal had",
        "paragraph_id": "para_358"
      },
      {
        "text": "their identifying information together with sensitive health",
        "paragraph_id": "para_359"
      },
      {
        "text": "information shared with third-party companies.”",
        "paragraph_id": "para_360"
      },
      {
        "text": "9 The proposed general class in the TAC included prospective",
        "paragraph_id": "para_361"
      },
      {
        "text": "patients and did not specify the type of communications.",
        "paragraph_id": "para_362"
      },
      {
        "text": "13",
        "paragraph_id": "para_363"
      },
      {
        "text": "consisting of “All Class members who submitted an online [HRA]",
        "paragraph_id": "para_364"
      },
      {
        "text": "form to Adventist Health.” (The two others were the online",
        "paragraph_id": "para_365"
      },
      {
        "text": "appointment and provider search subclasses.)",
        "paragraph_id": "para_366"
      },
      {
        "text": "There was no dispute over the numerosity of the proposed",
        "paragraph_id": "para_367"
      },
      {
        "text": "class and subclasses. Plaintiffs argued the two subclasses at",
        "paragraph_id": "para_368"
      },
      {
        "text": "issue on appeal were ascertainable based on records maintained",
        "paragraph_id": "para_369"
      },
      {
        "text": "by Adventist’s vendors Cerner and HealthAware. Adventist",
        "paragraph_id": "para_370"
      },
      {
        "text": "did not dispute this fact.",
        "paragraph_id": "para_371"
      },
      {
        "text": "Plaintiffs argued Adventist’s liability depended on",
        "paragraph_id": "para_372"
      },
      {
        "text": "common factual and legal questions that predominated over",
        "paragraph_id": "para_373"
      },
      {
        "text": "individual ones. For their CIPA claim, plaintiffs argued those",
        "paragraph_id": "para_374"
      },
      {
        "text": "included whether: Adventist’s tracking pixels acted similarly",
        "paragraph_id": "para_375"
      },
      {
        "text": "to a “bugging device” by “ ‘contemporaneously and invisibly",
        "paragraph_id": "para_376"
      },
      {
        "text": "re-direct[ing] the users’ communications to third parties’ ”;",
        "paragraph_id": "para_377"
      },
      {
        "text": "“the pixels’ workings constitute an interception of a message",
        "paragraph_id": "para_378"
      },
      {
        "text": "in transit in violation of CIPA”; class members had “ ‘a",
        "paragraph_id": "para_379"
      },
      {
        "text": "reasonable expectation of privacy’ ”; and the transmitted",
        "paragraph_id": "para_380"
      },
      {
        "text": "information “included the ‘contents’ of patients’ communications",
        "paragraph_id": "para_381"
      },
      {
        "text": "with Adventist.” For its CMIA claims, plaintiffs argued common",
        "paragraph_id": "para_382"
      },
      {
        "text": "issues included whether “Adventist’s deliberate decision to deploy",
        "paragraph_id": "para_383"
      },
      {
        "text": "the[ ] tracking pixels constituted a ‘disclosure’ of information” or",
        "paragraph_id": "para_384"
      },
      {
        "text": "“negligent storage or maintenance of information”; whether the",
        "paragraph_id": "para_385"
      },
      {
        "text": "disclosed information “included information ‘regarding a patient’s",
        "paragraph_id": "para_386"
      },
      {
        "text": "medical history . . . mental or physical condition, or treatment’ ”",
        "paragraph_id": "para_387"
      },
      {
        "text": "and was protected “ ‘medical information’ ” because it included",
        "paragraph_id": "para_388"
      },
      {
        "text": "“ ‘individually identifiable information . . . sufficient to allow",
        "paragraph_id": "para_389"
      },
      {
        "text": "identification of the individual’ ”; whether Adventist was",
        "paragraph_id": "para_390"
      },
      {
        "text": "authorized to disclose patients’ medical information; and whether",
        "paragraph_id": "para_391"
      },
      {
        "text": "an unauthorized party “ ‘viewed or accessed’ ” the disclosed",
        "paragraph_id": "para_392"
      },
      {
        "text": "information.",
        "paragraph_id": "para_393"
      },
      {
        "text": "14",
        "paragraph_id": "para_394"
      },
      {
        "text": "Plaintiffs argued the factual and legal issues relating to",
        "paragraph_id": "para_395"
      },
      {
        "text": "these questions were common to the patient portal subclass and",
        "paragraph_id": "para_396"
      },
      {
        "text": "HRA form subclass, as well. Plaintiffs asserted Adventist had",
        "paragraph_id": "para_397"
      },
      {
        "text": "admitted Google Analytics was enabled inside the patient portal,",
        "paragraph_id": "para_398"
      },
      {
        "text": "and its standard configuration had not been changed. Plaintiffs",
        "paragraph_id": "para_399"
      },
      {
        "text": "also asserted Shafiq’s investigation revealed that, after a patient",
        "paragraph_id": "para_400"
      },
      {
        "text": "submitted an HRA form, the tracking pixels sent Meta and",
        "paragraph_id": "para_401"
      },
      {
        "text": "Google a “full-string URL[ ]” including a “unique string of",
        "paragraph_id": "para_402"
      },
      {
        "text": "numbers” that would allow anyone to access the HRA report’s",
        "paragraph_id": "para_403"
      },
      {
        "text": "contents.",
        "paragraph_id": "para_404"
      },
      {
        "text": "Finally, plaintiffs argued that a class action was superior",
        "paragraph_id": "para_405"
      },
      {
        "text": "here to allow class members to obtain compensation—through",
        "paragraph_id": "para_406"
      },
      {
        "text": "statutory penalties, and to stop Adventist’s “illegal disclosures",
        "paragraph_id": "para_407"
      },
      {
        "text": "of their sensitive health information.”",
        "paragraph_id": "para_408"
      },
      {
        "text": "b. Opposition",
        "paragraph_id": "para_409"
      },
      {
        "text": "Adventist opposed the motion, primarily arguing several",
        "paragraph_id": "para_410"
      },
      {
        "text": "individual issues predominated. Among other issues, Adventist",
        "paragraph_id": "para_411"
      },
      {
        "text": "argued that, to prove their CIPA and CMIA claims, plaintiffs",
        "paragraph_id": "para_412"
      },
      {
        "text": "would have to present evidence of each individual URL the",
        "paragraph_id": "para_413"
      },
      {
        "text": "tracking pixels sent to Meta and/or Google to show whether",
        "paragraph_id": "para_414"
      },
      {
        "text": "that information constituted the “ ‘content’ ” of a communication",
        "paragraph_id": "para_415"
      },
      {
        "text": "or “medical information” and was individually identifiable.",
        "paragraph_id": "para_416"
      },
      {
        "text": "With respect to the patient portal subclass, Adventist argued",
        "paragraph_id": "para_417"
      },
      {
        "text": "individual URLs sent to Google also would have to be examined",
        "paragraph_id": "para_418"
      },
      {
        "text": "to see what had been obfuscated or masked. Adventist argued",
        "paragraph_id": "para_419"
      },
      {
        "text": "individual inquiry into proposed HRA form subclass members",
        "paragraph_id": "para_420"
      },
      {
        "text": "would be required to determine if individuals were patients",
        "paragraph_id": "para_421"
      },
      {
        "text": "at the time they submitted the form, whether they filled out",
        "paragraph_id": "para_422"
      },
      {
        "text": "the form for others, and whether they accessed the form through",
        "paragraph_id": "para_423"
      },
      {
        "text": "an ad on Google or Facebook, which would affect their reasonable",
        "paragraph_id": "para_424"
      },
      {
        "text": "15",
        "paragraph_id": "para_425"
      },
      {
        "text": "expectation of privacy. Defendants also presented evidence that",
        "paragraph_id": "para_426"
      },
      {
        "text": "the Meta Pixel and Google Analytics transmitted URLs from the",
        "paragraph_id": "para_427"
      },
      {
        "text": "HRA website differently: while Google “likely received” a URL",
        "paragraph_id": "para_428"
      },
      {
        "text": "that included the name of the HRA, the URL transmitted to Meta",
        "paragraph_id": "para_429"
      },
      {
        "text": "said only “hra.adventisthealth.org” or “quiz.adventisthealth.org.”",
        "paragraph_id": "para_430"
      },
      {
        "text": "c. Reply",
        "paragraph_id": "para_431"
      },
      {
        "text": "In their reply—filed after deposing Adventist’s expert",
        "paragraph_id": "para_432"
      },
      {
        "text": "Emily Cohen—plaintiffs argued Cohen’s confirmation that the",
        "paragraph_id": "para_433"
      },
      {
        "text": "tracking technologies “ ‘share[d] at least a baseline of information",
        "paragraph_id": "para_434"
      },
      {
        "text": "consisting of first-party cookie identifiers, page view information,",
        "paragraph_id": "para_435"
      },
      {
        "text": "including URL’s, IP addresses, whether complete or partially",
        "paragraph_id": "para_436"
      },
      {
        "text": "masked, and user agent data’ ” established the “key liability facts",
        "paragraph_id": "para_437"
      },
      {
        "text": "are subject to common proof.” Plaintiffs essentially contended",
        "paragraph_id": "para_438"
      },
      {
        "text": "this baseline data was evidence providing proof common to the",
        "paragraph_id": "para_439"
      },
      {
        "text": "class as to whether the information transmitted was individually",
        "paragraph_id": "para_440"
      },
      {
        "text": "identifiable, conveyed PHI or medical information, or constituted",
        "paragraph_id": "para_441"
      },
      {
        "text": "“contents.” Because the tracking technologies always conveyed",
        "paragraph_id": "para_442"
      },
      {
        "text": "at least the baseline data, plaintiffs argued, whether the tracking",
        "paragraph_id": "para_443"
      },
      {
        "text": "pixel transmitted additional protected information “over the",
        "paragraph_id": "para_444"
      },
      {
        "text": "‘baseline’ ” “only increase[d] the degree of harm suffered by",
        "paragraph_id": "para_445"
      },
      {
        "text": "class members,” and was not relevant to Adventist’s underlying",
        "paragraph_id": "para_446"
      },
      {
        "text": "liability.",
        "paragraph_id": "para_447"
      },
      {
        "text": "Plaintiffs agreed to limit the patient portal subclass to",
        "paragraph_id": "para_448"
      },
      {
        "text": "“All Class members who logged into Adventist’s patient portal",
        "paragraph_id": "para_449"
      },
      {
        "text": "up until May 2023.” (Italics added.) Plaintiffs argued it",
        "paragraph_id": "para_450"
      },
      {
        "text": "was “immaterial what access point patients used” to log into",
        "paragraph_id": "para_451"
      },
      {
        "text": "the patient portal, “as any transmission to Google from the",
        "paragraph_id": "para_452"
      },
      {
        "text": "myadventisthealth.org domain [the patient portal], regardless",
        "paragraph_id": "para_453"
      },
      {
        "text": "of access point, indicate[d] that the individual signed into the",
        "paragraph_id": "para_454"
      },
      {
        "text": "patient portal.” Plaintiffs also argued that, although the URLs",
        "paragraph_id": "para_455"
      },
      {
        "text": "16",
        "paragraph_id": "para_456"
      },
      {
        "text": "sent from the patient portal were partially redacted, they still",
        "paragraph_id": "para_457"
      },
      {
        "text": "contained descriptive “natural language” terms outside of search",
        "paragraph_id": "para_458"
      },
      {
        "text": "parameters that revealed “key information about patients’ health",
        "paragraph_id": "para_459"
      },
      {
        "text": "condition or treatment.” Plaintiffs contended that, because the",
        "paragraph_id": "para_460"
      },
      {
        "text": "class included “only patients who exchanged health-care-related",
        "paragraph_id": "para_461"
      },
      {
        "text": "communications” with Adventist, the court could determine on",
        "paragraph_id": "para_462"
      },
      {
        "text": "a class-wide basis “whether the content” of the communications",
        "paragraph_id": "para_463"
      },
      {
        "text": "was “PHI/medical information.” Plaintiffs also disputed",
        "paragraph_id": "para_464"
      },
      {
        "text": "Adventist’s contentions that the court could not determine the",
        "paragraph_id": "para_465"
      },
      {
        "text": "specific issues affecting the HRA form subclass on a class-wide",
        "paragraph_id": "para_466"
      },
      {
        "text": "basis based on Adventist’s records and/or proposed class",
        "paragraph_id": "para_467"
      },
      {
        "text": "members’ self-reporting.",
        "paragraph_id": "para_468"
      },
      {
        "text": "d. Hearing and trial plan",
        "paragraph_id": "para_469"
      },
      {
        "text": "Before hearing oral argument on plaintiffs’ motion,",
        "paragraph_id": "para_470"
      },
      {
        "text": "the court issued a tentative ruling denying class certification.",
        "paragraph_id": "para_471"
      },
      {
        "text": "The court heard extensive argument on December 19, 2024.",
        "paragraph_id": "para_472"
      },
      {
        "text": "During the hearing—in response to the court’s concerns that",
        "paragraph_id": "para_473"
      },
      {
        "text": "the class included individuals who interfaced with the Adventist",
        "paragraph_id": "para_474"
      },
      {
        "text": "websites for non-health related reasons—plaintiffs’ counsel",
        "paragraph_id": "para_475"
      },
      {
        "text": "proposed to amend the class definition to include patients",
        "paragraph_id": "para_476"
      },
      {
        "text": "who used the Adventist websites to exchange communications",
        "paragraph_id": "para_477"
      },
      {
        "text": "“for” (rather than “including”) researching medical conditions",
        "paragraph_id": "para_478"
      },
      {
        "text": "or treatments, finding a physician, making an appointment,",
        "paragraph_id": "para_479"
      },
      {
        "text": "or submitting an HRA. The court permitted plaintiffs to file",
        "paragraph_id": "para_480"
      },
      {
        "text": "a trial plan and Adventist to file a response before taking",
        "paragraph_id": "para_481"
      },
      {
        "text": "the matter under submission.",
        "paragraph_id": "para_482"
      },
      {
        "text": "Plaintiffs’ trial plan confirmed their modifications of",
        "paragraph_id": "para_483"
      },
      {
        "text": "the general class and patient portal subclass. Plaintiffs also",
        "paragraph_id": "para_484"
      },
      {
        "text": "narrowed the class claims to those under CIPA, “Penal Code",
        "paragraph_id": "para_485"
      },
      {
        "text": "§§ 630 et seq.”; CMIA, “Civil Code §§ 56.101 & 56.10”; and UCL.",
        "paragraph_id": "para_486"
      },
      {
        "text": "17",
        "paragraph_id": "para_487"
      },
      {
        "text": "5. The court’s denial of class certification",
        "paragraph_id": "para_488"
      },
      {
        "text": "On February 14, 2025, the court issued an 18-page order",
        "paragraph_id": "para_489"
      },
      {
        "text": "denying plaintiffs’ motion for class certification in its entirety.",
        "paragraph_id": "para_490"
      },
      {
        "text": "As relevant to this appeal, the court found plaintiffs failed to",
        "paragraph_id": "para_491"
      },
      {
        "text": "establish the patient portal subclass was ascertainable because",
        "paragraph_id": "para_492"
      },
      {
        "text": "they didn’t explain “how to ascertain which patients logged into",
        "paragraph_id": "para_493"
      },
      {
        "text": "the patient portal and engaged in the types of activities that",
        "paragraph_id": "para_494"
      },
      {
        "text": "allegedly resulted in ‘content’ and ‘medical information’ being",
        "paragraph_id": "para_495"
      },
      {
        "text": "transmitted.” The court also found plaintiffs did not show how",
        "paragraph_id": "para_496"
      },
      {
        "text": "common issues predominated on either its CIPA or CMIA claims",
        "paragraph_id": "para_497"
      },
      {
        "text": "for either subclass. The court found that, although plaintiffs",
        "paragraph_id": "para_498"
      },
      {
        "text": "established “medical information may have been revealed by",
        "paragraph_id": "para_499"
      },
      {
        "text": "some of the URLs” transmitted from the patient portal, other",
        "paragraph_id": "para_500"
      },
      {
        "text": "URLs may not have revealed “either ‘content’ under CIPA",
        "paragraph_id": "para_501"
      },
      {
        "text": "or ‘medical information’ under CMIA.” The court also found",
        "paragraph_id": "para_502"
      },
      {
        "text": "“[p]laintiffs did not submit evidence that merely logging into",
        "paragraph_id": "para_503"
      },
      {
        "text": "the patient portal transmits information in violation of CIPA",
        "paragraph_id": "para_504"
      },
      {
        "text": "or CMIA, or that each activity that a logged-in patient can do",
        "paragraph_id": "para_505"
      },
      {
        "text": "within the patient portal transmits information in violation of",
        "paragraph_id": "para_506"
      },
      {
        "text": "CIPA or CMIA.” As for the HRA form subclass, the court found",
        "paragraph_id": "para_507"
      },
      {
        "text": "a person-by-person inquiry would be required to determine",
        "paragraph_id": "para_508"
      },
      {
        "text": "whether Google and Meta “actually followed the links” they",
        "paragraph_id": "para_509"
      },
      {
        "text": "were sent to the completed HRA forms, such as by showing",
        "paragraph_id": "para_510"
      },
      {
        "text": "class members received ads for health issues they disclosed in",
        "paragraph_id": "para_511"
      },
      {
        "text": "HRA forms. Finally, the court found plaintiffs failed to show the",
        "paragraph_id": "para_512"
      },
      {
        "text": "superiority of a class action as they cited no evidence to support",
        "paragraph_id": "para_513"
      },
      {
        "text": "their assertion that “few class members have the time and",
        "paragraph_id": "para_514"
      },
      {
        "text": "resources to pursue their claims on an individual basis,” and",
        "paragraph_id": "para_515"
      },
      {
        "text": "did not address the manageability of the individual questions",
        "paragraph_id": "para_516"
      },
      {
        "text": "18",
        "paragraph_id": "para_517"
      },
      {
        "text": "the court had identified. Plaintiffs filed a timely notice of",
        "paragraph_id": "para_518"
      },
      {
        "text": "appeal.10",
        "paragraph_id": "para_519"
      },
      {
        "text": "DISCUSSION",
        "paragraph_id": "para_520"
      },
      {
        "text": "1. Class certification and standard of review",
        "paragraph_id": "para_521"
      },
      {
        "text": "Section 382 of the Code of Civil Procedure authorizes",
        "paragraph_id": "para_522"
      },
      {
        "text": "a lawsuit to proceed as a class action “when the question is one",
        "paragraph_id": "para_523"
      },
      {
        "text": "of a common or general interest, of many persons, or when the",
        "paragraph_id": "para_524"
      },
      {
        "text": "parties are numerous, and it is impracticable to bring them all",
        "paragraph_id": "para_525"
      },
      {
        "text": "before the court.” “The party advocating class treatment must",
        "paragraph_id": "para_526"
      },
      {
        "text": "demonstrate the existence of an ascertainable and sufficiently",
        "paragraph_id": "para_527"
      },
      {
        "text": "numerous class, a well-defined community of interest, and",
        "paragraph_id": "para_528"
      },
      {
        "text": "substantial benefits from certification that render proceeding",
        "paragraph_id": "para_529"
      },
      {
        "text": "as a class superior to the alternatives. [Citations.] ‘In turn,",
        "paragraph_id": "para_530"
      },
      {
        "text": "the “community of interest requirement embodies three factors:",
        "paragraph_id": "para_531"
      },
      {
        "text": "(1) predominant common questions of law or fact; (2) class",
        "paragraph_id": "para_532"
      },
      {
        "text": "representatives with claims or defenses typical of the class;",
        "paragraph_id": "para_533"
      },
      {
        "text": "and (3) class representatives who can adequately represent",
        "paragraph_id": "para_534"
      },
      {
        "text": "the class.” ’ ” (Brinker Restaurant Corp. v. Superior Court (2012)",
        "paragraph_id": "para_535"
      },
      {
        "text": "53 Cal.4th 1004, 1021 (Brinker).)",
        "paragraph_id": "para_536"
      },
      {
        "text": "The certification question is “ ‘ “essentially a procedural",
        "paragraph_id": "para_537"
      },
      {
        "text": "one that does not ask whether an action is legally or factually",
        "paragraph_id": "para_538"
      },
      {
        "text": "meritorious,” ’ ” and thus, “resolution of disputes over the",
        "paragraph_id": "para_539"
      },
      {
        "text": "merits of a case generally must be postponed until after class",
        "paragraph_id": "para_540"
      },
      {
        "text": "certification has been decided [citation], with the court assuming",
        "paragraph_id": "para_541"
      },
      {
        "text": "for purposes of the certification motion that any claims have",
        "paragraph_id": "para_542"
      },
      {
        "text": "merit.” (Brinker, supra, 53 Cal.4th at p. 1023.) Our Supreme",
        "paragraph_id": "para_543"
      },
      {
        "text": "10 An order denying class certification is appealable under",
        "paragraph_id": "para_544"
      },
      {
        "text": "the “ ‘death knell’ ” doctrine. (See Meinhardt v. City of Sunnyvale",
        "paragraph_id": "para_545"
      },
      {
        "text": "(2024) 16 Cal.5th 643, 656, fn. 8.)",
        "paragraph_id": "para_546"
      },
      {
        "text": "19",
        "paragraph_id": "para_547"
      },
      {
        "text": "Court has recognized that, when “evidence or legal issues",
        "paragraph_id": "para_548"
      },
      {
        "text": "germane to the certification question bear as well on aspects",
        "paragraph_id": "para_549"
      },
      {
        "text": "of the merits, a court may properly evaluate them.” (Id.",
        "paragraph_id": "para_550"
      },
      {
        "text": "at pp. 1023–1024.) However, “[s]uch inquiries are closely",
        "paragraph_id": "para_551"
      },
      {
        "text": "circumscribed.” (Id. at p. 1024.) “[A]ny ‘peek’ a court takes",
        "paragraph_id": "para_552"
      },
      {
        "text": "into the merits at the certification stage must ‘be limited to",
        "paragraph_id": "para_553"
      },
      {
        "text": "those aspects of the merits that affect the decisions essential’",
        "paragraph_id": "para_554"
      },
      {
        "text": "to class certification.” (Ibid.)",
        "paragraph_id": "para_555"
      },
      {
        "text": "“ ‘The decision to certify a class rests squarely within the",
        "paragraph_id": "para_556"
      },
      {
        "text": "discretion of the trial court, and we afford that decision great",
        "paragraph_id": "para_557"
      },
      {
        "text": "deference on appeal, reversing only for a manifest abuse of",
        "paragraph_id": "para_558"
      },
      {
        "text": "discretion: “Because trial courts are ideally situated to evaluate",
        "paragraph_id": "para_559"
      },
      {
        "text": "the efficiencies and practicalities of permitting group action, they",
        "paragraph_id": "para_560"
      },
      {
        "text": "are afforded great discretion in granting or denying certification.”",
        "paragraph_id": "para_561"
      },
      {
        "text": "[Citation.] A certification order generally will not be disturbed",
        "paragraph_id": "para_562"
      },
      {
        "text": "unless (1) it is unsupported by substantial evidence, (2) it rests on",
        "paragraph_id": "para_563"
      },
      {
        "text": "improper criteria, or (3) it rests on erroneous legal assumptions.’ ”",
        "paragraph_id": "para_564"
      },
      {
        "text": "(Brinker, supra, 53 Cal.4th at p. 1022.) Therefore, “ ‘[u]nlike the",
        "paragraph_id": "para_565"
      },
      {
        "text": "general rule compelling a reviewing court to scrutinize the result",
        "paragraph_id": "para_566"
      },
      {
        "text": "below, not the trial court’s rationale, we analyze the propriety",
        "paragraph_id": "para_567"
      },
      {
        "text": "of an order denying class certification based solely on the lower",
        "paragraph_id": "para_568"
      },
      {
        "text": "court’s stated reason for the decision.’ [Citation.]” (Leeds v. City",
        "paragraph_id": "para_569"
      },
      {
        "text": "of Los Angeles (2025) 115 Cal.App.5th 537, 545–546 (Leeds).)",
        "paragraph_id": "para_570"
      },
      {
        "text": "“ ‘Under this standard, an order based upon improper",
        "paragraph_id": "para_571"
      },
      {
        "text": "criteria or incorrect assumptions calls for reversal “ ‘even though",
        "paragraph_id": "para_572"
      },
      {
        "text": "there may be substantial evidence to support the court’s",
        "paragraph_id": "para_573"
      },
      {
        "text": "order.’ ” ’ ” (Noel v. Thrifty Payless, Inc. (2019) 7 Cal.5th 955,",
        "paragraph_id": "para_574"
      },
      {
        "text": "968 (Noel); see also Ayala v. Antelope Valley Newspapers, Inc.",
        "paragraph_id": "para_575"
      },
      {
        "text": "(2014) 59 Cal.4th 522, 537 [“[a] certification decision is reviewed",
        "paragraph_id": "para_576"
      },
      {
        "text": "for abuse of discretion, but when the supporting reasoning",
        "paragraph_id": "para_577"
      },
      {
        "text": "20",
        "paragraph_id": "para_578"
      },
      {
        "text": "reveals the court based its decision on erroneous legal",
        "paragraph_id": "para_579"
      },
      {
        "text": "assumptions about the relevant questions, that decision",
        "paragraph_id": "para_580"
      },
      {
        "text": "cannot stand”]; Cochran v. Schwan’s Home Service, Inc.",
        "paragraph_id": "para_581"
      },
      {
        "text": "(2014) 228 Cal.App.4th 1137, 1143, quoting Knapp v. AT&T",
        "paragraph_id": "para_582"
      },
      {
        "text": "Wireless Services, Inc. (2011) 195 Cal.App.4th 932, 939 (Knapp)",
        "paragraph_id": "para_583"
      },
      {
        "text": "[“ ‘A trial court’s decision that rests on an error of law is an",
        "paragraph_id": "para_584"
      },
      {
        "text": "abuse of discretion.’ ”].)",
        "paragraph_id": "para_585"
      },
      {
        "text": "2. Ascertainability of the patient portal subclass11",
        "paragraph_id": "para_586"
      },
      {
        "text": "A class is ascertainable “when it is defined ‘in terms of",
        "paragraph_id": "para_587"
      },
      {
        "text": "objective characteristics and common transactional facts’ that",
        "paragraph_id": "para_588"
      },
      {
        "text": "make ‘the ultimate identification of class members possible",
        "paragraph_id": "para_589"
      },
      {
        "text": "when that identification becomes necessary.’ ” (Noel, supra,",
        "paragraph_id": "para_590"
      },
      {
        "text": "7 Cal.5th at p. 980.) “[T]his standard . . . include[es] class",
        "paragraph_id": "para_591"
      },
      {
        "text": "definitions that are ‘sufficient to allow a member of [the class]",
        "paragraph_id": "para_592"
      },
      {
        "text": "to identify himself or herself as having a right to recover based",
        "paragraph_id": "para_593"
      },
      {
        "text": "on the [class] description.’ ” (Ibid.)",
        "paragraph_id": "para_594"
      },
      {
        "text": "Plaintiffs defined the patient portal subclass as “All Class",
        "paragraph_id": "para_595"
      },
      {
        "text": "members who were logged into Adventist Health’s patient portal",
        "paragraph_id": "para_596"
      },
      {
        "text": "up until May 2023.” Plaintiffs ultimately defined the general",
        "paragraph_id": "para_597"
      },
      {
        "text": "class—i.e., all class members—as, “For the period November 16,",
        "paragraph_id": "para_598"
      },
      {
        "text": "2017 to April 30, 2024, all Adventist Health patients with an",
        "paragraph_id": "para_599"
      },
      {
        "text": "address in California who used the Adventist website or patient",
        "paragraph_id": "para_600"
      },
      {
        "text": "portal to exchange communications with Adventist Health for",
        "paragraph_id": "para_601"
      },
      {
        "text": "[1] researching medical conditions or treatments, [2] finding a",
        "paragraph_id": "para_602"
      },
      {
        "text": "physician, [3] making an appointment, or [4] submitting a health",
        "paragraph_id": "para_603"
      },
      {
        "text": "risk assessment form.” The initial class definition, however,",
        "paragraph_id": "para_604"
      },
      {
        "text": "encompassed patients “who used the Adventist website or",
        "paragraph_id": "para_605"
      },
      {
        "text": "11 The court found the HRA form subclass members were",
        "paragraph_id": "para_606"
      },
      {
        "text": "ascertainable based on Adventist’s and/or its vendor’s records.",
        "paragraph_id": "para_607"
      },
      {
        "text": "21",
        "paragraph_id": "para_608"
      },
      {
        "text": "patient portal to exchange communications with Adventist",
        "paragraph_id": "para_609"
      },
      {
        "text": "Health, including” the four above activities. (Italics added.)",
        "paragraph_id": "para_610"
      },
      {
        "text": "Plaintiffs’ counsel suggested the revised definition during",
        "paragraph_id": "para_611"
      },
      {
        "text": "the hearing on plaintiffs’ motion and—in plaintiffs’ trial plan—",
        "paragraph_id": "para_612"
      },
      {
        "text": "proposed the court certify the general class as revised.",
        "paragraph_id": "para_613"
      },
      {
        "text": "Accordingly, as Adventist asserts, the patient portal",
        "paragraph_id": "para_614"
      },
      {
        "text": "subclass definition incorporated the revised definition of",
        "paragraph_id": "para_615"
      },
      {
        "text": "the general class. Substituting “[a]ll Class members” with",
        "paragraph_id": "para_616"
      },
      {
        "text": "plaintiffs’ definition of the general class, the patient portal",
        "paragraph_id": "para_617"
      },
      {
        "text": "subclass definition is: All Adventist patients with an address",
        "paragraph_id": "para_618"
      },
      {
        "text": "in California who logged into the patient portal up until May",
        "paragraph_id": "para_619"
      },
      {
        "text": "2023 to exchange communications with Adventist for researching",
        "paragraph_id": "para_620"
      },
      {
        "text": "medical conditions or treatments, finding a physician, making",
        "paragraph_id": "para_621"
      },
      {
        "text": "an appointment, or submitting a health risk assessment form.",
        "paragraph_id": "para_622"
      },
      {
        "text": "The court found plaintiffs did not establish the members",
        "paragraph_id": "para_623"
      },
      {
        "text": "of the general class were ascertainable. The court noted",
        "paragraph_id": "para_624"
      },
      {
        "text": "plaintiffs “propose[d] that [Adventist] generate a list of all",
        "paragraph_id": "para_625"
      },
      {
        "text": "California patients and then ‘patients could identify themselves",
        "paragraph_id": "para_626"
      },
      {
        "text": "as having used the website or patient portal to research medical",
        "paragraph_id": "para_627"
      },
      {
        "text": "conditions or treatments, find a physician, make an appointment,",
        "paragraph_id": "para_628"
      },
      {
        "text": "or submit a health risk assessment form.’ ” Plaintiffs argued",
        "paragraph_id": "para_629"
      },
      {
        "text": "patients would “be able to figure out from the class definition",
        "paragraph_id": "para_630"
      },
      {
        "text": "whether they are part of the class and they can ‘self-report.’ ”",
        "paragraph_id": "para_631"
      },
      {
        "text": "The court found “[i]t [wa]s not so simple,” in part because the",
        "paragraph_id": "para_632"
      },
      {
        "text": "class definition “d[id] not clearly tell putative class member[s]",
        "paragraph_id": "para_633"
      },
      {
        "text": "how to self-report.” The court then concluded the patient portal",
        "paragraph_id": "para_634"
      },
      {
        "text": "subclass had “a similar problem.” Plaintiffs had argued patient",
        "paragraph_id": "para_635"
      },
      {
        "text": "portal subclass members were ascertainable because Adventist",
        "paragraph_id": "para_636"
      },
      {
        "text": "had “information of all registered patient portal users in its",
        "paragraph_id": "para_637"
      },
      {
        "text": "records.” The court found “being a registered user of the patient",
        "paragraph_id": "para_638"
      },
      {
        "text": "22",
        "paragraph_id": "para_639"
      },
      {
        "text": "portal does not mean a patient engaged in activity on the patient",
        "paragraph_id": "para_640"
      },
      {
        "text": "portal that resulted in information, let alon[e] ‘content’ and",
        "paragraph_id": "para_641"
      },
      {
        "text": "‘medical information,’ being transmitted to third parties.” The",
        "paragraph_id": "para_642"
      },
      {
        "text": "court continued, “Plaintiffs do not explain how to ascertain which",
        "paragraph_id": "para_643"
      },
      {
        "text": "patients logged into the patient portal and engaged in the types",
        "paragraph_id": "para_644"
      },
      {
        "text": "of activities that allegedly resulted in ‘content’ and ‘medical",
        "paragraph_id": "para_645"
      },
      {
        "text": "information’ being transmitted, as discussed below,” referring",
        "paragraph_id": "para_646"
      },
      {
        "text": "to its predominance analysis.",
        "paragraph_id": "para_647"
      },
      {
        "text": "Plaintiffs argue the record shows the patient portal",
        "paragraph_id": "para_648"
      },
      {
        "text": "subclass is ascertainable through Adventist’s or its provider",
        "paragraph_id": "para_649"
      },
      {
        "text": "Cerner’s records. As plaintiffs note, the evidence shows",
        "paragraph_id": "para_650"
      },
      {
        "text": "Adventist could create a report of the patient identification",
        "paragraph_id": "para_651"
      },
      {
        "text": "numbers (ID) that created a portal account and the number",
        "paragraph_id": "para_652"
      },
      {
        "text": "of times the patient ID “accessed the portal.” Accordingly,",
        "paragraph_id": "para_653"
      },
      {
        "text": "plaintiffs demonstrated patients who logged into the patient",
        "paragraph_id": "para_654"
      },
      {
        "text": "portal during the subclass period were readily identifiable.",
        "paragraph_id": "para_655"
      },
      {
        "text": "However, as the court implied12 and Adventist argues,",
        "paragraph_id": "para_656"
      },
      {
        "text": "plaintiffs did not demonstrate how to identify patients who",
        "paragraph_id": "para_657"
      },
      {
        "text": "logged into the patient portal and engaged in one of the four",
        "paragraph_id": "para_658"
      },
      {
        "text": "enumerated activities. A patient’s options within the patient",
        "paragraph_id": "para_659"
      },
      {
        "text": "portal were not limited to researching medical conditions",
        "paragraph_id": "para_660"
      },
      {
        "text": "or treatments, finding a physician, making an appointment,",
        "paragraph_id": "para_661"
      },
      {
        "text": "and submitting an HRA. Within the patient portal, patients",
        "paragraph_id": "para_662"
      },
      {
        "text": "also could view lab, radiology, and other results; view their",
        "paragraph_id": "para_663"
      },
      {
        "text": "12 As we noted, the court found the general class definition",
        "paragraph_id": "para_664"
      },
      {
        "text": "did “not clearly tell putative class member[s] how to self-report.”",
        "paragraph_id": "para_665"
      },
      {
        "text": "We can infer the court found the patient portal—which had a",
        "paragraph_id": "para_666"
      },
      {
        "text": "“similar problem”—also did not clearly tell members how to self-",
        "paragraph_id": "para_667"
      },
      {
        "text": "report, in part, because it necessarily subsumed the definition",
        "paragraph_id": "para_668"
      },
      {
        "text": "of the class.",
        "paragraph_id": "para_669"
      },
      {
        "text": "23",
        "paragraph_id": "para_670"
      },
      {
        "text": "health record; download a document; send or receive messages;",
        "paragraph_id": "para_671"
      },
      {
        "text": "pay a bill; and other activities.",
        "paragraph_id": "para_672"
      },
      {
        "text": "Plaintiffs argue Adventist never disputed the patient portal",
        "paragraph_id": "para_673"
      },
      {
        "text": "subclass was ascertainable. In opposing plaintiffs’ motion—",
        "paragraph_id": "para_674"
      },
      {
        "text": "before plaintiffs modified the class definition—Adventist did",
        "paragraph_id": "para_675"
      },
      {
        "text": "not dispute that it could identify patients who had logged into",
        "paragraph_id": "para_676"
      },
      {
        "text": "the patient portal. But in response to plaintiffs’ trial plan,",
        "paragraph_id": "para_677"
      },
      {
        "text": "Adventist argued the “revised general class definition creates",
        "paragraph_id": "para_678"
      },
      {
        "text": "serious impediments to certification of their Patient Portal",
        "paragraph_id": "para_679"
      },
      {
        "text": "Subclass. Specifically, a patient who merely logs in to the patient",
        "paragraph_id": "para_680"
      },
      {
        "text": "portal and does nothing else is not a class member.” (Boldface",
        "paragraph_id": "para_681"
      },
      {
        "text": "omitted.) Adventist specifically noted plaintiffs’ revised class",
        "paragraph_id": "para_682"
      },
      {
        "text": "definition included “only those Adventist Health patients who",
        "paragraph_id": "para_683"
      },
      {
        "text": "used the Adventist Health websites (and the patient portal)",
        "paragraph_id": "para_684"
      },
      {
        "text": "for only four specific things”—researching medical conditions",
        "paragraph_id": "para_685"
      },
      {
        "text": "or treatments, finding a physician, making an appointment, or",
        "paragraph_id": "para_686"
      },
      {
        "text": "submitting a HRA form. Adventist asserted that, as a result,",
        "paragraph_id": "para_687"
      },
      {
        "text": "“not all patient portal users fall within the class; rather, only",
        "paragraph_id": "para_688"
      },
      {
        "text": "those who used the patient portal for identified purposes fall",
        "paragraph_id": "para_689"
      },
      {
        "text": "within the revised class definition.” Adventist argued this",
        "paragraph_id": "para_690"
      },
      {
        "text": "definition raised “additional individual questions about,”",
        "paragraph_id": "para_691"
      },
      {
        "text": "among other things, “what each patient portal user was doing",
        "paragraph_id": "para_692"
      },
      {
        "text": "on the patient portal website” and “whether the actions taken",
        "paragraph_id": "para_693"
      },
      {
        "text": "using the portal fall within one of these four specific categories.”",
        "paragraph_id": "para_694"
      },
      {
        "text": "Plaintiffs argue patients identified as having logged into",
        "paragraph_id": "para_695"
      },
      {
        "text": "the patient portal “could easily recall if they had ever once used",
        "paragraph_id": "para_696"
      },
      {
        "text": "the Patient Portal for any of the purposes for which it was",
        "paragraph_id": "para_697"
      },
      {
        "text": "designed.” Patients may be able to recall what actions they took",
        "paragraph_id": "para_698"
      },
      {
        "text": "within the patient portal, but plaintiffs have not explained how",
        "paragraph_id": "para_699"
      },
      {
        "text": "patients could determine—as Adventist notes—if, for example,",
        "paragraph_id": "para_700"
      },
      {
        "text": "24",
        "paragraph_id": "para_701"
      },
      {
        "text": "their messaging a doctor, downloading a health record, or paying",
        "paragraph_id": "para_702"
      },
      {
        "text": "a bill counted as “researching medical conditions or treatments,”",
        "paragraph_id": "para_703"
      },
      {
        "text": "“finding a physician,” “making an appointment,” or none of those",
        "paragraph_id": "para_704"
      },
      {
        "text": "things.",
        "paragraph_id": "para_705"
      },
      {
        "text": "Nevertheless, as the court itself acknowledged, any",
        "paragraph_id": "para_706"
      },
      {
        "text": "interactions a patient had within the patient portal—unlike",
        "paragraph_id": "para_707"
      },
      {
        "text": "on Adventist’s general website—necessarily would have related",
        "paragraph_id": "para_708"
      },
      {
        "text": "to the patient’s health care. It does not appear that plaintiffs",
        "paragraph_id": "para_709"
      },
      {
        "text": "intended to limit the patient portal subclass only to those",
        "paragraph_id": "para_710"
      },
      {
        "text": "patients who engaged in one of the four specified activities—",
        "paragraph_id": "para_711"
      },
      {
        "text": "especially when, as we discuss below, plaintiffs contend the",
        "paragraph_id": "para_712"
      },
      {
        "text": "baseline information transmitted when a patient logged into the",
        "paragraph_id": "para_713"
      },
      {
        "text": "patient portal transmitted “contents” and “medical information”",
        "paragraph_id": "para_714"
      },
      {
        "text": "to Google. Indeed, plaintiffs’ counsel suggested the revision to",
        "paragraph_id": "para_715"
      },
      {
        "text": "the general class definition to address the court’s stated concerns",
        "paragraph_id": "para_716"
      },
      {
        "text": "about “the general website.” Counsel explained, “I think there’s",
        "paragraph_id": "para_717"
      },
      {
        "text": "one word change that could be made in the proposed class",
        "paragraph_id": "para_718"
      },
      {
        "text": "definition for the general website. [¶] . . . [¶] . . . Strike the word",
        "paragraph_id": "para_719"
      },
      {
        "text": "‘including.’ ” (Italics added.) The court responded, “Oh, replace it",
        "paragraph_id": "para_720"
      },
      {
        "text": "with like about: to exchange communications about researching",
        "paragraph_id": "para_721"
      },
      {
        "text": "medical, finding a physician, making an appointment. [¶] . . .",
        "paragraph_id": "para_722"
      },
      {
        "text": "[¶] . . . So that would eliminate my concern about like you’re",
        "paragraph_id": "para_723"
      },
      {
        "text": "just going on to find the address.” Counsel continued, “Yes,",
        "paragraph_id": "para_724"
      },
      {
        "text": "Your Honor, and we acknowledge that that class would require",
        "paragraph_id": "para_725"
      },
      {
        "text": "self-identification anyway . . . . So that one change would we",
        "paragraph_id": "para_726"
      },
      {
        "text": "think solve the court’s concern with respect or at least address",
        "paragraph_id": "para_727"
      },
      {
        "text": "the court’s concern with respect to the general website.” (Italics",
        "paragraph_id": "para_728"
      },
      {
        "text": "added.)",
        "paragraph_id": "para_729"
      },
      {
        "text": "25",
        "paragraph_id": "para_730"
      },
      {
        "text": "Accordingly, when discussing plaintiffs’ proposed revision",
        "paragraph_id": "para_731"
      },
      {
        "text": "to the general class definition, both plaintiffs’ counsel and",
        "paragraph_id": "para_732"
      },
      {
        "text": "the court had patients’ interactions with the general website",
        "paragraph_id": "para_733"
      },
      {
        "text": "—rather than the authenticated patient portal—in mind.",
        "paragraph_id": "para_734"
      },
      {
        "text": "Critically, earlier in the hearing the court had “agree[d] . . .",
        "paragraph_id": "para_735"
      },
      {
        "text": "the patient portal is people who were patients who are engaging",
        "paragraph_id": "para_736"
      },
      {
        "text": "in the website because of their medical conditions,” not “just some",
        "paragraph_id": "para_737"
      },
      {
        "text": "person on the website looking around the website for whatever",
        "paragraph_id": "para_738"
      },
      {
        "text": "reason.”13 In any event, the posture of this case has changed.",
        "paragraph_id": "para_739"
      },
      {
        "text": "Plaintiffs no longer seek to certify a general class of patients",
        "paragraph_id": "para_740"
      },
      {
        "text": "who used the general Adventist website. For the remaining",
        "paragraph_id": "para_741"
      },
      {
        "text": "patient portal and HRA form subclasses, the enumeration of",
        "paragraph_id": "para_742"
      },
      {
        "text": "specific health-related activities simply is unnecessary to weed",
        "paragraph_id": "para_743"
      },
      {
        "text": "out patients who used the website for non-health-care-related",
        "paragraph_id": "para_744"
      },
      {
        "text": "activities. The patient portal subclass includes only California",
        "paragraph_id": "para_745"
      },
      {
        "text": "patients who logged into the patient portal, and the HRA form",
        "paragraph_id": "para_746"
      },
      {
        "text": "subclass includes only California patients who submitted an",
        "paragraph_id": "para_747"
      },
      {
        "text": "HRA form. Neither subclass raises the concerns the court",
        "paragraph_id": "para_748"
      },
      {
        "text": "had that led plaintiffs’ counsel to revise the class definition.",
        "paragraph_id": "para_749"
      },
      {
        "text": "13 Plaintiffs’ expert Shafiq also stated the class definition",
        "paragraph_id": "para_750"
      },
      {
        "text": "was “limited to patients who interacted with Adventist Health’s",
        "paragraph_id": "para_751"
      },
      {
        "text": "website in specific ways (submitting a health risk assessment,",
        "paragraph_id": "para_752"
      },
      {
        "text": "searching for a medical condition, searching for a physician,",
        "paragraph_id": "para_753"
      },
      {
        "text": "booking an appointment with a provider, or logging into the",
        "paragraph_id": "para_754"
      },
      {
        "text": "patient portal) that involve exchanging health-care-related",
        "paragraph_id": "para_755"
      },
      {
        "text": "information with Adventist.” (Italics added.) In other words,",
        "paragraph_id": "para_756"
      },
      {
        "text": "Shafiq understood that logging into the patient portal itself was",
        "paragraph_id": "para_757"
      },
      {
        "text": "one of the ways in which purported class members could interact",
        "paragraph_id": "para_758"
      },
      {
        "text": "with Adventist’s websites to exchange health-care-related",
        "paragraph_id": "para_759"
      },
      {
        "text": "information.",
        "paragraph_id": "para_760"
      },
      {
        "text": "26",
        "paragraph_id": "para_761"
      },
      {
        "text": "In essence, plaintiffs’ appeal has rendered their post-hearing",
        "paragraph_id": "para_762"
      },
      {
        "text": "revision to the general class moot.",
        "paragraph_id": "para_763"
      },
      {
        "text": "And as we discussed, Adventist and/or its provider Cerner",
        "paragraph_id": "para_764"
      },
      {
        "text": "have records identifying patients who logged into the patient",
        "paragraph_id": "para_765"
      },
      {
        "text": "portal during the relevant period. If some small number of",
        "paragraph_id": "para_766"
      },
      {
        "text": "patients who logged into the portal never used the portal, or",
        "paragraph_id": "para_767"
      },
      {
        "text": "never used it for themselves, “ ‘those [persons] can be eliminated",
        "paragraph_id": "para_768"
      },
      {
        "text": "from the class at that time.’ ” (Nicodemus v. Saint Francis",
        "paragraph_id": "para_769"
      },
      {
        "text": "Memorial Hospital (2016) 3 Cal.App.5th 1200, 1213–1214",
        "paragraph_id": "para_770"
      },
      {
        "text": "(Nicodemus) [data set of all patients’ attorneys’ requests for",
        "paragraph_id": "para_771"
      },
      {
        "text": "patient records attaching release authorizations that may",
        "paragraph_id": "para_772"
      },
      {
        "text": "have included some requests made after litigation began or",
        "paragraph_id": "para_773"
      },
      {
        "text": "for nonlitigation reasons (and thus outside the proposed class)",
        "paragraph_id": "para_774"
      },
      {
        "text": "was sufficient to demonstrate ascertainability].) Moreover,",
        "paragraph_id": "para_775"
      },
      {
        "text": "Adventist did not dispute that the patient portal class was",
        "paragraph_id": "para_776"
      },
      {
        "text": "ascertainable before plaintiffs revised the general class definition.",
        "paragraph_id": "para_777"
      },
      {
        "text": "As plaintiffs note, the court also found they did “not explain",
        "paragraph_id": "para_778"
      },
      {
        "text": "how to ascertain which patients logged into the patient portal",
        "paragraph_id": "para_779"
      },
      {
        "text": "and engaged in the types of activities that allegedly resulted",
        "paragraph_id": "para_780"
      },
      {
        "text": "in ‘content’ and ‘medical information’ being transmitted.”",
        "paragraph_id": "para_781"
      },
      {
        "text": "Whether Adventist violated CIPA or CMIA by transmitting the",
        "paragraph_id": "para_782"
      },
      {
        "text": "contents of patients communications or their medical information",
        "paragraph_id": "para_783"
      },
      {
        "text": "are merits questions that plaintiffs were not required to answer",
        "paragraph_id": "para_784"
      },
      {
        "text": "to demonstrate ascertainability. In turn, whether Adventist’s",
        "paragraph_id": "para_785"
      },
      {
        "text": "liability under those statutes is subject to common proof relates",
        "paragraph_id": "para_786"
      },
      {
        "text": "to the court’s predominance inquiry, which we discuss below.",
        "paragraph_id": "para_787"
      },
      {
        "text": "Accordingly, we conclude plaintiffs demonstrated the patient",
        "paragraph_id": "para_788"
      },
      {
        "text": "portal subclass members are ascertainable.",
        "paragraph_id": "para_789"
      },
      {
        "text": "27",
        "paragraph_id": "para_790"
      },
      {
        "text": "3. The court’s predominance inquiry",
        "paragraph_id": "para_791"
      },
      {
        "text": "“The ‘ultimate question’ the element of predominance",
        "paragraph_id": "para_792"
      },
      {
        "text": "presents is whether ‘the issues which may be jointly tried, when",
        "paragraph_id": "para_793"
      },
      {
        "text": "compared with those requiring separate adjudication, are so",
        "paragraph_id": "para_794"
      },
      {
        "text": "numerous or substantial that the maintenance of a class action",
        "paragraph_id": "para_795"
      },
      {
        "text": "would be advantageous to the judicial process and to the",
        "paragraph_id": "para_796"
      },
      {
        "text": "litigants.’ [Citations.]” (Brinker, supra, 53 Cal.4th at p. 1021.)",
        "paragraph_id": "para_797"
      },
      {
        "text": "“A court must examine the allegations of the complaint and",
        "paragraph_id": "para_798"
      },
      {
        "text": "supporting declarations [citation] and consider whether",
        "paragraph_id": "para_799"
      },
      {
        "text": "the legal and factual issues they present are such that their",
        "paragraph_id": "para_800"
      },
      {
        "text": "resolution in a single class proceeding would be both desirable",
        "paragraph_id": "para_801"
      },
      {
        "text": "and feasible.” (Id. at pp. 1021–1022; see also Walsh v. IKON",
        "paragraph_id": "para_802"
      },
      {
        "text": "Office Solutions, Inc. (2007) 148 Cal.App.4th 1440, 1450",
        "paragraph_id": "para_803"
      },
      {
        "text": "(Walsh) [“In examining whether common issues of law or fact",
        "paragraph_id": "para_804"
      },
      {
        "text": "predominate, the court must consider the plaintiff’s legal",
        "paragraph_id": "para_805"
      },
      {
        "text": "theory of liability.”].)",
        "paragraph_id": "para_806"
      },
      {
        "text": "“ ‘As a general rule if the defendant’s liability can be",
        "paragraph_id": "para_807"
      },
      {
        "text": "determined by facts common to all members of the class, a class",
        "paragraph_id": "para_808"
      },
      {
        "text": "will be certified even if the members must individually prove",
        "paragraph_id": "para_809"
      },
      {
        "text": "their damages.’ ” (Brinker, supra, 53 Cal.4th at p. 1022.)",
        "paragraph_id": "para_810"
      },
      {
        "text": "The “pertinent questions” under the predominance inquiry are:",
        "paragraph_id": "para_811"
      },
      {
        "text": "“(1) What elements must be proven to establish the defendant’s",
        "paragraph_id": "para_812"
      },
      {
        "text": "liability, and (2) Are these elements susceptible of common",
        "paragraph_id": "para_813"
      },
      {
        "text": "proof?” (Downey v. Public Storage, Inc. (2020) 44 Cal.App.5th",
        "paragraph_id": "para_814"
      },
      {
        "text": "1103, 1113 (Downey).) Moreover, “ ‘[T]he possibility that a",
        "paragraph_id": "para_815"
      },
      {
        "text": "defendant may be able to defeat the showing of an element",
        "paragraph_id": "para_816"
      },
      {
        "text": "of a cause of action “ ‘as to a few individual class members[,]",
        "paragraph_id": "para_817"
      },
      {
        "text": "does not transform the common question into a multitude",
        "paragraph_id": "para_818"
      },
      {
        "text": "of individual ones.’ ” [Citation.]’ ” (Nicodemus, supra,",
        "paragraph_id": "para_819"
      },
      {
        "text": "3 Cal.App.5th at p. 1219.)",
        "paragraph_id": "para_820"
      },
      {
        "text": "28",
        "paragraph_id": "para_821"
      },
      {
        "text": "Plaintiffs’ trial plan stated it was seeking class certification",
        "paragraph_id": "para_822"
      },
      {
        "text": "of their (1) CIPA claim, which alleged in the TAC that Adventist",
        "paragraph_id": "para_823"
      },
      {
        "text": "had violated two provisions of CIPA: section 631(a), known as",
        "paragraph_id": "para_824"
      },
      {
        "text": "the “wiretapping provision” and section 632(a), known as the",
        "paragraph_id": "para_825"
      },
      {
        "text": "“recording provision”—which the court found plaintiffs had",
        "paragraph_id": "para_826"
      },
      {
        "text": "abandoned (see Meta Pixel, supra, 647 F.Supp.3d at p. 798);14",
        "paragraph_id": "para_827"
      },
      {
        "text": "(2) CMIA claims, alleging Adventist violated Civil Code sections",
        "paragraph_id": "para_828"
      },
      {
        "text": "56.10 and 56.101; and (3) UCL claims based on Adventist’s",
        "paragraph_id": "para_829"
      },
      {
        "text": "alleged violations of CIPA and CMIA.15",
        "paragraph_id": "para_830"
      },
      {
        "text": "In essence, the trial court found that—although plaintiffs",
        "paragraph_id": "para_831"
      },
      {
        "text": "had established the existence of several issues subject to common",
        "paragraph_id": "para_832"
      },
      {
        "text": "proof—due to variations in the actual information shared",
        "paragraph_id": "para_833"
      },
      {
        "text": "with Google and/or Meta through the URLs and other data",
        "paragraph_id": "para_834"
      },
      {
        "text": "transmitted by the pixels, plaintiffs failed to meet their burden",
        "paragraph_id": "para_835"
      },
      {
        "text": "to show Adventist’s liability under CIPA or CMIA could be",
        "paragraph_id": "para_836"
      },
      {
        "text": "determined based on evidence common to all class members.",
        "paragraph_id": "para_837"
      },
      {
        "text": "(See Duran v. U.S. Bank National Assn. (2014) 59 Cal.4th 1, 28",
        "paragraph_id": "para_838"
      },
      {
        "text": "(Duran) [“class treatment is not appropriate ‘if every member",
        "paragraph_id": "para_839"
      },
      {
        "text": "of the alleged class would be required to litigate numerous",
        "paragraph_id": "para_840"
      },
      {
        "text": "and substantial questions determining his individual right to",
        "paragraph_id": "para_841"
      },
      {
        "text": "recover following the “class judgment” ’ on common issues”].)",
        "paragraph_id": "para_842"
      },
      {
        "text": "We first state the applicable law and then review the court’s",
        "paragraph_id": "para_843"
      },
      {
        "text": "predominance analysis as to the two subclasses.",
        "paragraph_id": "para_844"
      },
      {
        "text": "a. Applicable law",
        "paragraph_id": "para_845"
      },
      {
        "text": "The wiretapping provision of CIPA, as relevant here,",
        "paragraph_id": "para_846"
      },
      {
        "text": "imposes statutory penalties on anyone “who willfully and without",
        "paragraph_id": "para_847"
      },
      {
        "text": "14 We discuss that finding at the end of the Discussion",
        "paragraph_id": "para_848"
      },
      {
        "text": "section.",
        "paragraph_id": "para_849"
      },
      {
        "text": "15 Accordingly, we need not separately address that claim.",
        "paragraph_id": "para_850"
      },
      {
        "text": "29",
        "paragraph_id": "para_851"
      },
      {
        "text": "the consent of all parties to the communication,” “reads or",
        "paragraph_id": "para_852"
      },
      {
        "text": "attempts to read, or to learn the contents or meaning of any",
        "paragraph_id": "para_853"
      },
      {
        "text": "message, report, or communication while the same is in transit",
        "paragraph_id": "para_854"
      },
      {
        "text": "or passing over any wire, line, or cable, or is being sent from, or",
        "paragraph_id": "para_855"
      },
      {
        "text": "received at any place within this state; or who uses, or attempts",
        "paragraph_id": "para_856"
      },
      {
        "text": "to use, in any manner, or for any purpose, or to communicate",
        "paragraph_id": "para_857"
      },
      {
        "text": "in any way, any information so obtained, or who aids, agrees",
        "paragraph_id": "para_858"
      },
      {
        "text": "with, employs, or conspires with any person or persons to",
        "paragraph_id": "para_859"
      },
      {
        "text": "unlawfully do, or permit, or cause to be done any of the acts",
        "paragraph_id": "para_860"
      },
      {
        "text": "or things mentioned above in this section.” (§ 631(a).) Plaintiffs",
        "paragraph_id": "para_861"
      },
      {
        "text": "alleged Adventist aided and abetted Meta and Google’s violation",
        "paragraph_id": "para_862"
      },
      {
        "text": "of the “ ‘eavesdropping’ ” and “use” clauses of section 631(a). (See",
        "paragraph_id": "para_863"
      },
      {
        "text": "Rodriguez v. Ford Motor Co. (S.D.Cal. 2024) 722 F.Supp.3d 1104,",
        "paragraph_id": "para_864"
      },
      {
        "text": "1112–1114, 1116, 1122–1224 [to state a claim for “aiding and",
        "paragraph_id": "para_865"
      },
      {
        "text": "abetting” under section 631(a), plaintiff must allege the third",
        "paragraph_id": "para_866"
      },
      {
        "text": "party “ ‘violated one of the first three clauses of section 631(a),",
        "paragraph_id": "para_867"
      },
      {
        "text": "and that [d]efendant aided, agreed with, employed, or conspired",
        "paragraph_id": "para_868"
      },
      {
        "text": "with that person or entity to commit those unlawful acts’ ”].)",
        "paragraph_id": "para_869"
      },
      {
        "text": "The court’s predominance analysis focused on whether",
        "paragraph_id": "para_870"
      },
      {
        "text": "plaintiffs had demonstrated common evidence could be used",
        "paragraph_id": "para_871"
      },
      {
        "text": "to determine whether the URLs shared with Google and/or",
        "paragraph_id": "para_872"
      },
      {
        "text": "Meta included the “contents” of patients’ communications with",
        "paragraph_id": "para_873"
      },
      {
        "text": "Adventist. CIPA does not define “contents.” A similar provision",
        "paragraph_id": "para_874"
      },
      {
        "text": "in the federal Wiretap Act, however, broadly defines “ ‘contents’ ”",
        "paragraph_id": "para_875"
      },
      {
        "text": "to “include[ ] any information concerning the substance, purport,",
        "paragraph_id": "para_876"
      },
      {
        "text": "or meaning of that communication.” (18 U.S.C. § 2510(8);",
        "paragraph_id": "para_877"
      },
      {
        "text": "see Meta Pixel, supra, 647 F.Supp.3d at p. 798 [analysis for",
        "paragraph_id": "para_878"
      },
      {
        "text": "a violation of CIPA “ ‘is the same as that under the federal",
        "paragraph_id": "para_879"
      },
      {
        "text": "Wiretap Act’ ”]; 18 U.S.C. § 2511(1)(a)–(e).) According to the",
        "paragraph_id": "para_880"
      },
      {
        "text": "Ninth Circuit, the “ ‘contents’ ” of an online communication",
        "paragraph_id": "para_881"
      },
      {
        "text": "30",
        "paragraph_id": "para_882"
      },
      {
        "text": "“refers to the intended message conveyed by the communication,",
        "paragraph_id": "para_883"
      },
      {
        "text": "and does not include record information regarding the",
        "paragraph_id": "para_884"
      },
      {
        "text": "characteristics of the message that is generated in the course",
        "paragraph_id": "para_885"
      },
      {
        "text": "of the communication.” (In re Zynga Privacy Litigation (9th Cir.",
        "paragraph_id": "para_886"
      },
      {
        "text": "2014) 750 F.3d 1098, 1106–1107 (Zynga).) In Zynga, the Ninth",
        "paragraph_id": "para_887"
      },
      {
        "text": "Circuit explained a URL that included “only basic identification",
        "paragraph_id": "para_888"
      },
      {
        "text": "and address information” did not constitute “the contents of",
        "paragraph_id": "para_889"
      },
      {
        "text": "a communication,” but a URL that contained “a search term",
        "paragraph_id": "para_890"
      },
      {
        "text": "or similar communication made by the user” may constitute",
        "paragraph_id": "para_891"
      },
      {
        "text": "“contents.” (Id. at pp. 1108–1109; see id. at pp. 1102–1103,",
        "paragraph_id": "para_892"
      },
      {
        "text": "1107 [granting motion to dismiss where alleged information",
        "paragraph_id": "para_893"
      },
      {
        "text": "transmitted—user’s Facebook ID and address of webpage user",
        "paragraph_id": "para_894"
      },
      {
        "text": "was viewing when user clicked link to a gaming application—",
        "paragraph_id": "para_895"
      },
      {
        "text": "was not “ ‘contents’ ” but record information].)",
        "paragraph_id": "para_896"
      },
      {
        "text": "Since Zynga, other federal district courts within California",
        "paragraph_id": "para_897"
      },
      {
        "text": "have considered whether URLs shared or intercepted by tracking",
        "paragraph_id": "para_898"
      },
      {
        "text": "technologies constitute the “contents” of a communication.",
        "paragraph_id": "para_899"
      },
      {
        "text": "In Meta Pixel, supra, 647 F.Supp.3d at pp. 785, 795–796, 798",
        "paragraph_id": "para_900"
      },
      {
        "text": "the trial court—in deciding a motion for preliminary injunction—",
        "paragraph_id": "para_901"
      },
      {
        "text": "found alleged transmissions of patients’ log-in communications",
        "paragraph_id": "para_902"
      },
      {
        "text": "with their health care provider MedStar Health System’s patient",
        "paragraph_id": "para_903"
      },
      {
        "text": "portal “likely constitute[d] ‘contents’ ” under the Wiretap Act",
        "paragraph_id": "para_904"
      },
      {
        "text": "and CIPA. Plaintiffs there alleged that, when they “press[ed]",
        "paragraph_id": "para_905"
      },
      {
        "text": "the login button” to enter their patient portal, the information",
        "paragraph_id": "para_906"
      },
      {
        "text": "was sent to Meta through a transmission that included the",
        "paragraph_id": "para_907"
      },
      {
        "text": "“patient’s identity in the form of cookies, IP address, and User-",
        "paragraph_id": "para_908"
      },
      {
        "text": "Agent identifiers,” “[c]ontent of the button (‘Log in’),” “[c]ontents",
        "paragraph_id": "para_909"
      },
      {
        "text": "of the page from which the patient clicked to log in to the patient",
        "paragraph_id": "para_910"
      },
      {
        "text": "portal,” and “[c]ontent of the page the patient will land as a result",
        "paragraph_id": "para_911"
      },
      {
        "text": "of clicking ‘Log in’ to the patient portal.” (Id. at p. 785.) The",
        "paragraph_id": "para_912"
      },
      {
        "text": "31",
        "paragraph_id": "para_913"
      },
      {
        "text": "court found the patient portal “log-in buttons” and the descriptive",
        "paragraph_id": "para_914"
      },
      {
        "text": "URLs, which included both “the ‘path’ and the ‘query string,’ ”",
        "paragraph_id": "para_915"
      },
      {
        "text": "were “ ‘contents’ ” because “they concern[ed] the substance of",
        "paragraph_id": "para_916"
      },
      {
        "text": "a communication.” (Id. at pp. 795–796 [also explaining “contact",
        "paragraph_id": "para_917"
      },
      {
        "text": "information provided as part of a sign-up process constitutes",
        "paragraph_id": "para_918"
      },
      {
        "text": "‘content’ because this information is the subject of the",
        "paragraph_id": "para_919"
      },
      {
        "text": "communication”].)",
        "paragraph_id": "para_920"
      },
      {
        "text": "Federal district courts have “ ‘employ[ed] a contextual",
        "paragraph_id": "para_921"
      },
      {
        "text": "“case-specific” analysis hinging on “how much information would",
        "paragraph_id": "para_922"
      },
      {
        "text": "be revealed” by the information’s tracking and disclosure.’ ”",
        "paragraph_id": "para_923"
      },
      {
        "text": "(Cousin v. Sharp Healthcare (S.D.Cal. 2023) 702 F.Supp.3d 967,",
        "paragraph_id": "para_924"
      },
      {
        "text": "976 (Cousin II), quoting Hammerling v. Google, LLC (N.D.Cal.",
        "paragraph_id": "para_925"
      },
      {
        "text": "2022) 615 F.Supp.3d 1069, 1092–1093.) “ ‘Generally, customer",
        "paragraph_id": "para_926"
      },
      {
        "text": "information such as a person’s name, address, and subscriber",
        "paragraph_id": "para_927"
      },
      {
        "text": "number or identity is record information, but it may be contents",
        "paragraph_id": "para_928"
      },
      {
        "text": "when it is part of the substance of the message conveyed to the",
        "paragraph_id": "para_929"
      },
      {
        "text": "recipient. [Citations.] Similarly, URLs are record information",
        "paragraph_id": "para_930"
      },
      {
        "text": "when they only reveal a general webpage address and basic",
        "paragraph_id": "para_931"
      },
      {
        "text": "identification information, but when they reproduce a person’s",
        "paragraph_id": "para_932"
      },
      {
        "text": "personal search engine queries, they are contents.’ ” (Ibid.",
        "paragraph_id": "para_933"
      },
      {
        "text": "[denying motion to dismiss where alleged data included “personal",
        "paragraph_id": "para_934"
      },
      {
        "text": "search queries—such as specialty healthcare providers and",
        "paragraph_id": "para_935"
      },
      {
        "text": "treatments for medical conditions—and therefore plausibly",
        "paragraph_id": "para_936"
      },
      {
        "text": "conveyed content: their PHI”]; see also In re Google RTB",
        "paragraph_id": "para_937"
      },
      {
        "text": "Consumer Privacy Litigation (N.D.Cal. 2022) 606 F.Supp.3d 935,",
        "paragraph_id": "para_938"
      },
      {
        "text": "949 (Google RTB) [finding redirected electronic communications",
        "paragraph_id": "para_939"
      },
      {
        "text": "allegedly comprised of “ ‘content categories of the site or app,’ ”",
        "paragraph_id": "para_940"
      },
      {
        "text": "“ ‘[content] categories that describe [the] current section of the",
        "paragraph_id": "para_941"
      },
      {
        "text": "site or app,’ ” the “ ‘URL of the page where the impression will be",
        "paragraph_id": "para_942"
      },
      {
        "text": "shown,’ ” “ ‘referrer URL that caused navigation to the current",
        "paragraph_id": "para_943"
      },
      {
        "text": "32",
        "paragraph_id": "para_944"
      },
      {
        "text": "page,’ ” and a “ ‘list of keywords about [the] site or app,’ ” among",
        "paragraph_id": "para_945"
      },
      {
        "text": "other items, constituted “content”].)",
        "paragraph_id": "para_946"
      },
      {
        "text": "CMIA in turn prohibits a health care provider from",
        "paragraph_id": "para_947"
      },
      {
        "text": "disclosing “medical information regarding a patient . . . without",
        "paragraph_id": "para_948"
      },
      {
        "text": "first obtaining authorization.” (Civ. Code, § 56.10, subd. (a).)",
        "paragraph_id": "para_949"
      },
      {
        "text": "CMIA defines “medical information” as “any individually",
        "paragraph_id": "para_950"
      },
      {
        "text": "identifiable information . . . regarding a patient’s medical history,",
        "paragraph_id": "para_951"
      },
      {
        "text": ". . . mental or physical condition, or treatment. ‘Individually",
        "paragraph_id": "para_952"
      },
      {
        "text": "identifiable’ means that the medical information includes",
        "paragraph_id": "para_953"
      },
      {
        "text": "or contains any element of personal identifying information",
        "paragraph_id": "para_954"
      },
      {
        "text": "sufficient to allow identification of the individual, such as the",
        "paragraph_id": "para_955"
      },
      {
        "text": "person’s name, address, electronic mail address, telephone",
        "paragraph_id": "para_956"
      },
      {
        "text": "number, or social security number, or other information that,",
        "paragraph_id": "para_957"
      },
      {
        "text": "alone or in combination with other publicly available information,",
        "paragraph_id": "para_958"
      },
      {
        "text": "reveals the identity of the individual.” (Civ. Code, § 56.05, subd.",
        "paragraph_id": "para_959"
      },
      {
        "text": "(j)(1), former subd. (j) (2024–2025), former subd. (i) (2022–2023),",
        "paragraph_id": "para_960"
      },
      {
        "text": "and former subd. (j) (2014–2021).) The definition of “medical",
        "paragraph_id": "para_961"
      },
      {
        "text": "information” “does not encompass demographic or numeric",
        "paragraph_id": "para_962"
      },
      {
        "text": "information that does not reveal medical history, diagnosis,",
        "paragraph_id": "para_963"
      },
      {
        "text": "or care.” (Eisenhower Medical Center v. Superior Court (2014)",
        "paragraph_id": "para_964"
      },
      {
        "text": "226 Cal.App.4th 430, 435 (Eisenhower).)",
        "paragraph_id": "para_965"
      },
      {
        "text": "b. HRA form subclass",
        "paragraph_id": "para_966"
      },
      {
        "text": "i. The court made a merits determination in",
        "paragraph_id": "para_967"
      },
      {
        "text": "implicitly deciding plaintiffs could not establish",
        "paragraph_id": "para_968"
      },
      {
        "text": "by common proof that Adventist transmitted",
        "paragraph_id": "para_969"
      },
      {
        "text": "the contents of communications or medical",
        "paragraph_id": "para_970"
      },
      {
        "text": "information of patients who submitted",
        "paragraph_id": "para_971"
      },
      {
        "text": "HRA forms under CIPA or CMIA",
        "paragraph_id": "para_972"
      },
      {
        "text": "As plaintiffs note, in assessing the predominance prong",
        "paragraph_id": "para_973"
      },
      {
        "text": "for the HRA form subclass, the court discussed the evidence",
        "paragraph_id": "para_974"
      },
      {
        "text": "33",
        "paragraph_id": "para_975"
      },
      {
        "text": "relating to plaintiffs’ CIPA and CMIA claims together. The court",
        "paragraph_id": "para_976"
      },
      {
        "text": "noted plaintiffs’ motion asserted—citing Shafiq’s report—the",
        "paragraph_id": "para_977"
      },
      {
        "text": "tracking code Adventist employed on the HRA forms caused",
        "paragraph_id": "para_978"
      },
      {
        "text": "Google and Meta to be notified when an HRA form had been",
        "paragraph_id": "para_979"
      },
      {
        "text": "completed and transmitted “ ‘full-string URLs’ . . . that ‘included",
        "paragraph_id": "para_980"
      },
      {
        "text": "a unique string of numbers that would allow anyone . . . to access",
        "paragraph_id": "para_981"
      },
      {
        "text": "the HRA reports’ contents.’ ” The court noted the cited portions",
        "paragraph_id": "para_982"
      },
      {
        "text": "of Shafiq’s report stated Adventist shared information “ ‘about",
        "paragraph_id": "para_983"
      },
      {
        "text": "specific events such as “HRA Report Accessed” ’ and URLs such",
        "paragraph_id": "para_984"
      },
      {
        "text": "as ‘https://quiz.adventisthealth.org/v3/c6c2ecf4-abec-4222-843a-",
        "paragraph_id": "para_985"
      },
      {
        "text": "65e83697f7b0/report/a2d7dfd4-c6fe-4c53-8d41-eacf4e4e87a0.’ ”16",
        "paragraph_id": "para_986"
      },
      {
        "text": "Shafiq noted “anyone can go” to that URL “to access the contents",
        "paragraph_id": "para_987"
      },
      {
        "text": "of the report.”",
        "paragraph_id": "para_988"
      },
      {
        "text": "When “clicked” the two example HRA URLs in Shafiq’s",
        "paragraph_id": "para_989"
      },
      {
        "text": "report indeed link directly to reports that assess the user’s risk",
        "paragraph_id": "para_990"
      },
      {
        "text": "factors for the specified health condition based on information",
        "paragraph_id": "para_991"
      },
      {
        "text": "the user input into the HRA form. (See footnote 16.) The reports",
        "paragraph_id": "para_992"
      },
      {
        "text": "thus refer to that user-provided information. For example, the",
        "paragraph_id": "para_993"
      },
      {
        "text": "WeightAware report recommended the individual lose weight",
        "paragraph_id": "para_994"
      },
      {
        "text": "and indicated, among other things, that the individual had",
        "paragraph_id": "para_995"
      },
      {
        "text": "high blood pressure and cholesterol or was taking medication",
        "paragraph_id": "para_996"
      },
      {
        "text": "for those conditions, had sleep apnea and asthma, and exercised",
        "paragraph_id": "para_997"
      },
      {
        "text": "a moderate amount. Similarly, the HeartAware report accessed",
        "paragraph_id": "para_998"
      },
      {
        "text": "from a second link included the individual’s age, sex, and weight,",
        "paragraph_id": "para_999"
      },
      {
        "text": "and noted the person had cholesterol outside the recommended",
        "paragraph_id": "para_1000"
      },
      {
        "text": "16 This link is to a “WeightAware” report—an HRA for",
        "paragraph_id": "para_1001"
      },
      {
        "text": "weight loss. Shafiq’s report also included the following link",
        "paragraph_id": "para_1002"
      },
      {
        "text": "to a “HeartAware” report—an HRA for cardiovascular risk:",
        "paragraph_id": "para_1003"
      },
      {
        "text": "https://quiz.adventisthealth.org/v3/64d7e7c0-d719-4d61-be6d-",
        "paragraph_id": "para_1004"
      },
      {
        "text": "a2a3f50cebbe/report/8f3a968d-1615-4857-a52b-ebde3074886b.",
        "paragraph_id": "para_1005"
      },
      {
        "text": "34",
        "paragraph_id": "para_1006"
      },
      {
        "text": "range, had a family history of early cardiovascular disease,",
        "paragraph_id": "para_1007"
      },
      {
        "text": "and exercised a moderate amount, among other information.",
        "paragraph_id": "para_1008"
      },
      {
        "text": "The court found it was “questionable whether the fact that",
        "paragraph_id": "para_1009"
      },
      {
        "text": "a person filled out an HRA reveals the contents of a patient’s",
        "paragraph_id": "para_1010"
      },
      {
        "text": "communications with [Adventist] or anything about the patient’s",
        "paragraph_id": "para_1011"
      },
      {
        "text": "physical or mental condition or treatment. On the other hand,",
        "paragraph_id": "para_1012"
      },
      {
        "text": "the actual HRAs likely contain both contents of patients’",
        "paragraph_id": "para_1013"
      },
      {
        "text": "communications and their medical information.” This difference",
        "paragraph_id": "para_1014"
      },
      {
        "text": "between a URL/event data indicating a patient had submitted",
        "paragraph_id": "para_1015"
      },
      {
        "text": "an HRA form, and the completed HRA form or results report",
        "paragraph_id": "para_1016"
      },
      {
        "text": "itself, is the only reasoning the court expressed for finding",
        "paragraph_id": "para_1017"
      },
      {
        "text": "plaintiffs failed to demonstrate common issues predominated",
        "paragraph_id": "para_1018"
      },
      {
        "text": "for the HRA form subclass on their CIPA claim.",
        "paragraph_id": "para_1019"
      },
      {
        "text": "But plaintiffs alleged that every submission of an HRA",
        "paragraph_id": "para_1020"
      },
      {
        "text": "questionnaire resulted in the transmission of a URL that linked",
        "paragraph_id": "para_1021"
      },
      {
        "text": "directly to an HRA report. And whether the transmission",
        "paragraph_id": "para_1022"
      },
      {
        "text": "of those URLs linking to completed reports—rather than",
        "paragraph_id": "para_1023"
      },
      {
        "text": "transmission of the reports themselves—is the transmission",
        "paragraph_id": "para_1024"
      },
      {
        "text": "of “contents” under CIPA or medical information under CMIA,",
        "paragraph_id": "para_1025"
      },
      {
        "text": "is a merits question. (See Linder v. Thrifty Oil Co. (2000) 23",
        "paragraph_id": "para_1026"
      },
      {
        "text": "Cal.4th 429, 439–440 (Linder) [question of class certification",
        "paragraph_id": "para_1027"
      },
      {
        "text": "is “essentially a procedural one that does not ask whether an",
        "paragraph_id": "para_1028"
      },
      {
        "text": "action is legally or factually meritorious”]; see also Sav-On Drug",
        "paragraph_id": "para_1029"
      },
      {
        "text": "Stores, Inc. v. Superior Court (2004) 34 Cal.4th 319, 327 (Sav-On)",
        "paragraph_id": "para_1030"
      },
      {
        "text": "[“focus in a certification dispute is on what type of questions—",
        "paragraph_id": "para_1031"
      },
      {
        "text": "common or individual—are likely to arise in the action, rather",
        "paragraph_id": "para_1032"
      },
      {
        "text": "than on the merits of the case”].) Plaintiffs presented evidence",
        "paragraph_id": "para_1033"
      },
      {
        "text": "that this merits question could be answered—one way or",
        "paragraph_id": "para_1034"
      },
      {
        "text": "the other—with common proof. They presented evidence that",
        "paragraph_id": "para_1035"
      },
      {
        "text": "the tracking technologies were installed on the HRA portion of",
        "paragraph_id": "para_1036"
      },
      {
        "text": "35",
        "paragraph_id": "para_1037"
      },
      {
        "text": "the Adventist website and where patients filled out HRA forms;",
        "paragraph_id": "para_1038"
      },
      {
        "text": "the tracking technologies uniformly shared “a baseline of",
        "paragraph_id": "para_1039"
      },
      {
        "text": "information” that included URLs, along with first-party cookie",
        "paragraph_id": "para_1040"
      },
      {
        "text": "identifiers, IP addresses, and user agent data; and after a user",
        "paragraph_id": "para_1041"
      },
      {
        "text": "submitted an HRA form, a URL was generated providing the user",
        "paragraph_id": "para_1042"
      },
      {
        "text": "with a report of the results. In other words plaintiffs’ evidence",
        "paragraph_id": "para_1043"
      },
      {
        "text": "allegedly would show that patients who submitted HRA forms",
        "paragraph_id": "para_1044"
      },
      {
        "text": "would have received a report of their results through a URL link,",
        "paragraph_id": "para_1045"
      },
      {
        "text": "and the tracking technologies uniformly would have shared that",
        "paragraph_id": "para_1046"
      },
      {
        "text": "URL link with Google and/or Meta regardless of the specific HRA",
        "paragraph_id": "para_1047"
      },
      {
        "text": "submitted. And arguably the results report for any submitted",
        "paragraph_id": "para_1048"
      },
      {
        "text": "HRA—as in the examples above—likely would contain the",
        "paragraph_id": "para_1049"
      },
      {
        "text": "“contents” of patients’ communications and their medical",
        "paragraph_id": "para_1050"
      },
      {
        "text": "information.",
        "paragraph_id": "para_1051"
      },
      {
        "text": "Adventist nevertheless argues plaintiffs “presented no",
        "paragraph_id": "para_1052"
      },
      {
        "text": "evidence that links to particular HRA results were uniformly",
        "paragraph_id": "para_1053"
      },
      {
        "text": "transmitted,” and Shafiq’s report did not show the tracking pixels",
        "paragraph_id": "para_1054"
      },
      {
        "text": "actually shared the HRA results URL with Google and/or Meta.",
        "paragraph_id": "para_1055"
      },
      {
        "text": "Shafiq stated—under penalty of perjury—that his “testing and",
        "paragraph_id": "para_1056"
      },
      {
        "text": "analysis” showed Adventist installed tracking pixels from Google",
        "paragraph_id": "para_1057"
      },
      {
        "text": "and Meta on the HRA section of its website, including where",
        "paragraph_id": "para_1058"
      },
      {
        "text": "the patient fills out the HRA form. Anne Dinapoli Block—a",
        "paragraph_id": "para_1059"
      },
      {
        "text": "representative from Adventist’s marketing firm BPD—testified",
        "paragraph_id": "para_1060"
      },
      {
        "text": "Google Tag Manager containers that included tracking pixels",
        "paragraph_id": "para_1061"
      },
      {
        "text": "for Google and Meta were “on the HRAs.” And Shafiq’s report",
        "paragraph_id": "para_1062"
      },
      {
        "text": "included the two URL examples noted above.",
        "paragraph_id": "para_1063"
      },
      {
        "text": "Shafiq also stated he tested how Adventist “installs",
        "paragraph_id": "para_1064"
      },
      {
        "text": "tracking pixels from third party companies while interacting with",
        "paragraph_id": "para_1065"
      },
      {
        "text": "the website in the form of assessments, surveys, and quizzes.”",
        "paragraph_id": "para_1066"
      },
      {
        "text": "He filled out three different HRAs and a cancer genetic risk",
        "paragraph_id": "para_1067"
      },
      {
        "text": "36",
        "paragraph_id": "para_1068"
      },
      {
        "text": "survey and, after submitting them, received a final report",
        "paragraph_id": "para_1069"
      },
      {
        "text": "for each that he “could view, print, or email.” Shafiq stated",
        "paragraph_id": "para_1070"
      },
      {
        "text": "his “testing showed Adventist did share the full-string URL",
        "paragraph_id": "para_1071"
      },
      {
        "text": "on the HRA portion of its website with both Google and Meta.”",
        "paragraph_id": "para_1072"
      },
      {
        "text": "Moreover, Shafiq opined the “tracking pixel source code on",
        "paragraph_id": "para_1073"
      },
      {
        "text": "Adventist Health’s website operates deterministically, meaning",
        "paragraph_id": "para_1074"
      },
      {
        "text": "it consistently executes in the same manner, always sharing",
        "paragraph_id": "para_1075"
      },
      {
        "text": "identifiers and content information with third parties such",
        "paragraph_id": "para_1076"
      },
      {
        "text": "as Google or Meta.” Shafiq further explained, “[s]uch code is",
        "paragraph_id": "para_1077"
      },
      {
        "text": "designed to behave uniformly for all users, meaning it will",
        "paragraph_id": "para_1078"
      },
      {
        "text": "execute the same way and share identical types of information",
        "paragraph_id": "para_1079"
      },
      {
        "text": "for every patient accessing Adventist Health’s website.” He",
        "paragraph_id": "para_1080"
      },
      {
        "text": "concluded Adventist’s website “uniformly installed tracking",
        "paragraph_id": "para_1081"
      },
      {
        "text": "pixels from third-party companies such as Google and Meta",
        "paragraph_id": "para_1082"
      },
      {
        "text": "over the class period.” And Adventist’s expert Cohen testified",
        "paragraph_id": "para_1083"
      },
      {
        "text": "she was unaware of any instances where the tracking pixels",
        "paragraph_id": "para_1084"
      },
      {
        "text": "installed on the “various Adventist websites” did not “share",
        "paragraph_id": "para_1085"
      },
      {
        "text": "at least a baseline of information,” including URLs.",
        "paragraph_id": "para_1086"
      },
      {
        "text": "Adventist asserts Shafiq’s report showed tracking",
        "paragraph_id": "para_1087"
      },
      {
        "text": "technologies only on “the homepage/disclaimer page for one",
        "paragraph_id": "para_1088"
      },
      {
        "text": "particular HRA,” but the report did not show “Google or Meta",
        "paragraph_id": "para_1089"
      },
      {
        "text": "tracking pixels being used on an HRA results page.” Adventist",
        "paragraph_id": "para_1090"
      },
      {
        "text": "notes its manager of marketing automation, Crystal Long,",
        "paragraph_id": "para_1091"
      },
      {
        "text": "“testified that, to the extent they were used at all, tracking pixels",
        "paragraph_id": "para_1092"
      },
      {
        "text": "would be on the initial disclaimer pages.” Long testified it",
        "paragraph_id": "para_1093"
      },
      {
        "text": "was her “understanding” that there was a pixel on the initial",
        "paragraph_id": "para_1094"
      },
      {
        "text": "disclaimer page but that pixel did not record if someone",
        "paragraph_id": "para_1095"
      },
      {
        "text": "completed an assessment, “[s]o the person could have left the",
        "paragraph_id": "para_1096"
      },
      {
        "text": "[HRA] and never checked the box and never proceeded, but",
        "paragraph_id": "para_1097"
      },
      {
        "text": "they’re thinking that somebody took that HRA because they",
        "paragraph_id": "para_1098"
      },
      {
        "text": "37",
        "paragraph_id": "para_1099"
      },
      {
        "text": "got to that page.” She recalled that issue “led to a discrepancy",
        "paragraph_id": "para_1100"
      },
      {
        "text": "between the number of people who visited the [HRA] page and",
        "paragraph_id": "para_1101"
      },
      {
        "text": "the number that actually completed it.” She did not testify that",
        "paragraph_id": "para_1102"
      },
      {
        "text": "pixels were not firing on the pages or events that came up when",
        "paragraph_id": "para_1103"
      },
      {
        "text": "a person checked the disclaimer box and completed the HRA",
        "paragraph_id": "para_1104"
      },
      {
        "text": "form, however. Adventist also asserts Shafiq “fail[ed] to show—",
        "paragraph_id": "para_1105"
      },
      {
        "text": "through DevTools, historical Google Analytics data, or otherwise”",
        "paragraph_id": "para_1106"
      },
      {
        "text": "—that the HRA results URL was transmitted to a third party.",
        "paragraph_id": "para_1107"
      },
      {
        "text": "Whether plaintiffs can prove Adventist in fact transmitted",
        "paragraph_id": "para_1108"
      },
      {
        "text": "URL links to HRA reports to Google and/or Meta also is a merits",
        "paragraph_id": "para_1109"
      },
      {
        "text": "question. At this stage, however, plaintiffs had to demonstrate",
        "paragraph_id": "para_1110"
      },
      {
        "text": "the claim was subject to common proof, not that they likely would",
        "paragraph_id": "para_1111"
      },
      {
        "text": "prevail on the claim. (Downey, supra, 44 Cal.App.5th at p. 1113",
        "paragraph_id": "para_1112"
      },
      {
        "text": "[predominance inquiry asks if the elements of the claim are",
        "paragraph_id": "para_1113"
      },
      {
        "text": "“susceptible of common proof”].) We conclude the evidence",
        "paragraph_id": "para_1114"
      },
      {
        "text": "plaintiffs presented was sufficient to demonstrate this issue—",
        "paragraph_id": "para_1115"
      },
      {
        "text": "whether Adventist uniformly shared URL links to patient HRA",
        "paragraph_id": "para_1116"
      },
      {
        "text": "reports with Google and/or Meta—could be answered through",
        "paragraph_id": "para_1117"
      },
      {
        "text": "common proof rather than individual inquiry. We offer no",
        "paragraph_id": "para_1118"
      },
      {
        "text": "opinion as to whether the evidence plaintiffs ultimately produce",
        "paragraph_id": "para_1119"
      },
      {
        "text": "will be sufficient to prove that is what happened.17 In any event,",
        "paragraph_id": "para_1120"
      },
      {
        "text": "17 Discovery is ongoing. After the certification hearing,",
        "paragraph_id": "para_1121"
      },
      {
        "text": "in January 2025, the court granted plaintiffs’ motion to compel",
        "paragraph_id": "para_1122"
      },
      {
        "text": "Adventist to produce certain Google Analytic logs it had provided",
        "paragraph_id": "para_1123"
      },
      {
        "text": "to its expert Cohen, which Shafiq would use for further statistical",
        "paragraph_id": "para_1124"
      },
      {
        "text": "analysis. At the certification hearing, plaintiffs’ counsel noted",
        "paragraph_id": "para_1125"
      },
      {
        "text": "the pending motion to compel and argued that, with those data",
        "paragraph_id": "para_1126"
      },
      {
        "text": "logs, Shafiq could “do a probability analysis . . . to identify the",
        "paragraph_id": "para_1127"
      },
      {
        "text": "likelihood that an individual class member will have transmitted",
        "paragraph_id": "para_1128"
      },
      {
        "text": "protected health information at least once during the class",
        "paragraph_id": "para_1129"
      },
      {
        "text": "period.”",
        "paragraph_id": "para_1130"
      },
      {
        "text": "38",
        "paragraph_id": "para_1131"
      },
      {
        "text": "the court did not deny certification of the HRA form subclass",
        "paragraph_id": "para_1132"
      },
      {
        "text": "for failing to satisfy the predominance prong on the ground",
        "paragraph_id": "para_1133"
      },
      {
        "text": "plaintiffs failed to show Adventist—through tracking",
        "paragraph_id": "para_1134"
      },
      {
        "text": "technologies—uniformly shared URL links to patients’ HRA",
        "paragraph_id": "para_1135"
      },
      {
        "text": "reports with Meta and/or Google. (See Leeds, supra, 115",
        "paragraph_id": "para_1136"
      },
      {
        "text": "Cal.App.5th at pp. 545–546 [appellate court analyzes denial",
        "paragraph_id": "para_1137"
      },
      {
        "text": "of class certification “ ‘based solely on the lower court’s stated",
        "paragraph_id": "para_1138"
      },
      {
        "text": "reason for the decision’ ”]; Knapp, supra, 195 Cal.App.4th at",
        "paragraph_id": "para_1139"
      },
      {
        "text": "p. 939 [“We may only consider the reasons stated by the trial",
        "paragraph_id": "para_1140"
      },
      {
        "text": "court and must ignore any unexpressed reason that might",
        "paragraph_id": "para_1141"
      },
      {
        "text": "support the ruling.”].)",
        "paragraph_id": "para_1142"
      },
      {
        "text": "Adventist also contends the court correctly found “there",
        "paragraph_id": "para_1143"
      },
      {
        "text": "is significant variability within the URLs and event data that",
        "paragraph_id": "para_1144"
      },
      {
        "text": "are allegedly transferred to Google and/or Meta” with respect to",
        "paragraph_id": "para_1145"
      },
      {
        "text": "the HRA form subclass. In its discussion of the predominance",
        "paragraph_id": "para_1146"
      },
      {
        "text": "prong for plaintiffs’ CIPA and CMIA claims as to the general",
        "paragraph_id": "para_1147"
      },
      {
        "text": "class, the court referred to—in addition to “ ‘ “HRA Report",
        "paragraph_id": "para_1148"
      },
      {
        "text": "Accessed” ’ ”—other “ ‘specific events’ ” and “page URLs” from",
        "paragraph_id": "para_1149"
      },
      {
        "text": "the HRA website that Shafiq’s report stated Adventist tracked",
        "paragraph_id": "para_1150"
      },
      {
        "text": "and transmitted, such as “ ‘ “HRA Disclaimer Agree,” ’ ”",
        "paragraph_id": "para_1151"
      },
      {
        "text": "“ ‘ “HRA Email Sign Up,” ’ ” “ ‘patient-assessment-report,’ ”",
        "paragraph_id": "para_1152"
      },
      {
        "text": "“ ‘https://hraadventisthealth.org,’ ” and “ ‘https://quiz.adventist",
        "paragraph_id": "para_1153"
      },
      {
        "text": "health.org.’ ” The court noted Shafiq didn’t state whether the",
        "paragraph_id": "para_1154"
      },
      {
        "text": "referenced “events” “contain[ed] patient search terms” and",
        "paragraph_id": "para_1155"
      },
      {
        "text": "didn’t differentiate between URLs and page titles that included",
        "paragraph_id": "para_1156"
      },
      {
        "text": "“user-inputted search terms” and those that did not. The court",
        "paragraph_id": "para_1157"
      },
      {
        "text": "found the noted events “appear[ed] to be records of page views",
        "paragraph_id": "para_1158"
      },
      {
        "text": "or buttons/links that a patient clicked” and thus were “not",
        "paragraph_id": "para_1159"
      },
      {
        "text": "‘content.’ ” The court also found the noted URLs and events",
        "paragraph_id": "para_1160"
      },
      {
        "text": "39",
        "paragraph_id": "para_1161"
      },
      {
        "text": "“provide[d] no information on their face about a patient’s",
        "paragraph_id": "para_1162"
      },
      {
        "text": "medical history, mental or physical condition, or treatment.”",
        "paragraph_id": "para_1163"
      },
      {
        "text": "The proposed HRA form subclass, however, includes only",
        "paragraph_id": "para_1164"
      },
      {
        "text": "patients who submitted HRA forms. The fact that Adventist",
        "paragraph_id": "para_1165"
      },
      {
        "text": "transmitted different URLs or event data depending on whether",
        "paragraph_id": "para_1166"
      },
      {
        "text": "a patient visited an HRA page, clicked on an HRA “quiz,” or",
        "paragraph_id": "para_1167"
      },
      {
        "text": "accessed an HRA report after submitting an HRA form thus",
        "paragraph_id": "para_1168"
      },
      {
        "text": "did not create individualized issues of proof—patients who",
        "paragraph_id": "para_1169"
      },
      {
        "text": "viewed but did not submit an HRA form or who only visited an",
        "paragraph_id": "para_1170"
      },
      {
        "text": "HRA page would not be part of the subclass. Only individuals",
        "paragraph_id": "para_1171"
      },
      {
        "text": "who submitted an HRA form would have received a URL link to",
        "paragraph_id": "para_1172"
      },
      {
        "text": "the report with the results. And as plaintiffs assert, all patients",
        "paragraph_id": "para_1173"
      },
      {
        "text": "who submitted an HRA form would have “proceeded through",
        "paragraph_id": "para_1174"
      },
      {
        "text": "[the] entire workflow” of multiple page view events. Moreover,",
        "paragraph_id": "para_1175"
      },
      {
        "text": "determining whether the sharing of a URL that links directly",
        "paragraph_id": "para_1176"
      },
      {
        "text": "to an HRA report can itself constitute the transmission of the",
        "paragraph_id": "para_1177"
      },
      {
        "text": "“contents” of a communication or of medical information would",
        "paragraph_id": "para_1178"
      },
      {
        "text": "not require review of each individual URL. Nor did the court",
        "paragraph_id": "para_1179"
      },
      {
        "text": "conclude the URLs that Adventist shared when patients",
        "paragraph_id": "para_1180"
      },
      {
        "text": "submitted HRA forms were too varied to determine by common",
        "paragraph_id": "para_1181"
      },
      {
        "text": "proof whether they constituted the contents of a communication",
        "paragraph_id": "para_1182"
      },
      {
        "text": "or medical information. As we now discuss, the court found",
        "paragraph_id": "para_1183"
      },
      {
        "text": "proof of plaintiffs’ CMIA claim for the HRA form subclass would",
        "paragraph_id": "para_1184"
      },
      {
        "text": "require individualized inquiry based on an entirely different",
        "paragraph_id": "para_1185"
      },
      {
        "text": "reason.",
        "paragraph_id": "para_1186"
      },
      {
        "text": "40",
        "paragraph_id": "para_1187"
      },
      {
        "text": "ii. Plaintiffs presented evidence that the question",
        "paragraph_id": "para_1188"
      },
      {
        "text": "of whether Google and/or Meta viewed or",
        "paragraph_id": "para_1189"
      },
      {
        "text": "accessed submitted HRA forms and/or reports",
        "paragraph_id": "para_1190"
      },
      {
        "text": "under the CMIA was subject to common proof",
        "paragraph_id": "para_1191"
      },
      {
        "text": "As the court noted, “Liability under CMIA requires a",
        "paragraph_id": "para_1192"
      },
      {
        "text": "showing ‘that the confidential nature of the plaintiff’s medical",
        "paragraph_id": "para_1193"
      },
      {
        "text": "information was breached as a result of the health care provider’s",
        "paragraph_id": "para_1194"
      },
      {
        "text": "negligence’ or affirmative conduct.” (Quoting Regents of",
        "paragraph_id": "para_1195"
      },
      {
        "text": "University of California v. Superior Court (2013) 220 Cal.App.4th",
        "paragraph_id": "para_1196"
      },
      {
        "text": "549, 564, 570, disapproved of on another ground in J.M. v.",
        "paragraph_id": "para_1197"
      },
      {
        "text": "Illuminate Education, Inc. (2026) 19 Cal.5th 705, 723 (J.M.).)",
        "paragraph_id": "para_1198"
      },
      {
        "text": "Undoubtedly, the reports generated in response to a patient’s",
        "paragraph_id": "para_1199"
      },
      {
        "text": "submitted HRA form—as we described above—contained",
        "paragraph_id": "para_1200"
      },
      {
        "text": "information “regarding” that patient’s medical history, condition,",
        "paragraph_id": "para_1201"
      },
      {
        "text": "or treatment. (Civ. Code, § 56.05, subd. (j)(1) [defining “medical",
        "paragraph_id": "para_1202"
      },
      {
        "text": "information”].) Plaintiffs also presented evidence that the",
        "paragraph_id": "para_1203"
      },
      {
        "text": "tracking technologies on the Adventist websites transmitted",
        "paragraph_id": "para_1204"
      },
      {
        "text": "identifiers including—at a minimum—first-party cookie",
        "paragraph_id": "para_1205"
      },
      {
        "text": "identifiers, IP addresses, and user agent data from which Google",
        "paragraph_id": "para_1206"
      },
      {
        "text": "and/or Meta could identify the specific user.18 (Ibid. [“medical",
        "paragraph_id": "para_1207"
      },
      {
        "text": "information” is “any individually identifiable information”",
        "paragraph_id": "para_1208"
      },
      {
        "text": "regarding a patient’s medical history, etc.].) And, as we",
        "paragraph_id": "para_1209"
      },
      {
        "text": "discussed, plaintiffs presented evidence that whether Adventist",
        "paragraph_id": "para_1210"
      },
      {
        "text": "transmitted URL links to its patients’ HRA reports is subject",
        "paragraph_id": "para_1211"
      },
      {
        "text": "to common proof.",
        "paragraph_id": "para_1212"
      },
      {
        "text": "18 Adventist argues that whether Adventist transferred",
        "paragraph_id": "para_1213"
      },
      {
        "text": "“identifying information . . . for any particular user” to Google",
        "paragraph_id": "para_1214"
      },
      {
        "text": "and/or Meta is a “significant individualized issue.” The court’s",
        "paragraph_id": "para_1215"
      },
      {
        "text": "order, however, did not find plaintiffs failed to show common",
        "paragraph_id": "para_1216"
      },
      {
        "text": "issues predominated on this question. Without getting into too",
        "paragraph_id": "para_1217"
      },
      {
        "text": "41",
        "paragraph_id": "para_1218"
      },
      {
        "text": "In essentially finding Adventist’s liability under CMIA",
        "paragraph_id": "para_1219"
      },
      {
        "text": "was not susceptible to class-wide proof for the HRA form",
        "paragraph_id": "para_1220"
      },
      {
        "text": "subclass, the court noted the “quiz” URL plaintiffs cited from",
        "paragraph_id": "para_1221"
      },
      {
        "text": "Shafiq’s report—“containing a [unique] string of numbers",
        "paragraph_id": "para_1222"
      },
      {
        "text": "and letters”—“does not, on its face, reveal medical information.",
        "paragraph_id": "para_1223"
      },
      {
        "text": "Rather[,] it provides access to medication information.” In Vigil",
        "paragraph_id": "para_1224"
      },
      {
        "text": "v. Muir Medical Group IPA, Inc. (2022) 84 Cal.App.5th 197, 213",
        "paragraph_id": "para_1225"
      },
      {
        "text": "(Vigil),19 the appellate court held “a breach of confidentiality",
        "paragraph_id": "para_1226"
      },
      {
        "text": "under the CMIA requires a showing that an unauthorized party",
        "paragraph_id": "para_1227"
      },
      {
        "text": "viewed the confidential information.” (Italics added.) Thus, an",
        "paragraph_id": "para_1228"
      },
      {
        "text": "unauthorized party’s possession of or access to the confidential",
        "paragraph_id": "para_1229"
      },
      {
        "text": "information would be insufficient to show a breach. (Id. at",
        "paragraph_id": "para_1230"
      },
      {
        "text": "pp. 217–219.) The court in Vigil also agreed “breach of",
        "paragraph_id": "para_1231"
      },
      {
        "text": "confidentiality under the CMIA is an individualized issue.” (Id.",
        "paragraph_id": "para_1232"
      },
      {
        "text": "at p. 219; id. at p. 220 [concluding “each class member would",
        "paragraph_id": "para_1233"
      },
      {
        "text": "have to show that his or her medical information was viewed by",
        "paragraph_id": "para_1234"
      },
      {
        "text": "an unauthorized party to recover under the CMIA” under Civil",
        "paragraph_id": "para_1235"
      },
      {
        "text": "much technical detail, Shafiq explained Google and/or Meta could",
        "paragraph_id": "para_1236"
      },
      {
        "text": "determine a user’s identity through “[d]eterministic matching . . .",
        "paragraph_id": "para_1237"
      },
      {
        "text": "based on identifiers such as email address, phone number, and",
        "paragraph_id": "para_1238"
      },
      {
        "text": "device identifiers,” or “[p]robabilistic matching (also known as",
        "paragraph_id": "para_1239"
      },
      {
        "text": "fingerprinting),” which “relies on statistical analysis of multiple",
        "paragraph_id": "para_1240"
      },
      {
        "text": "signals.” Shafiq opined the “IP address, user agent, and device",
        "paragraph_id": "para_1241"
      },
      {
        "text": "properties from the patient’s browser” that Adventist shared",
        "paragraph_id": "para_1242"
      },
      {
        "text": "through the tracking technologies contained a sufficient amount",
        "paragraph_id": "para_1243"
      },
      {
        "text": "of data “bits” to enable Google/Meta to “reasonably identi[f]y",
        "paragraph_id": "para_1244"
      },
      {
        "text": "an individual”—“even when the patients are not account holders”",
        "paragraph_id": "para_1245"
      },
      {
        "text": "—through “identity services” using deterministic and/or",
        "paragraph_id": "para_1246"
      },
      {
        "text": "probabilistic matching.",
        "paragraph_id": "para_1247"
      },
      {
        "text": "19 As we discuss, Vigil was disapproved of in J.M., supra, 19",
        "paragraph_id": "para_1248"
      },
      {
        "text": "Cal.5th at p. 723.",
        "paragraph_id": "para_1249"
      },
      {
        "text": "42",
        "paragraph_id": "para_1250"
      },
      {
        "text": "Code §§ 56.36, subd. (b) and 56.101, subd. (a)].)20 Following Vigil,",
        "paragraph_id": "para_1251"
      },
      {
        "text": "the court here found plaintiffs would have to show Google",
        "paragraph_id": "para_1252"
      },
      {
        "text": "and/or Meta actually viewed the contents of the HRAs to show",
        "paragraph_id": "para_1253"
      },
      {
        "text": "Adventist’s disclosure of the link violated CMIA.21",
        "paragraph_id": "para_1254"
      },
      {
        "text": "After this matter was submitted for decision, our high",
        "paragraph_id": "para_1255"
      },
      {
        "text": "court rejected the Vigil “rule that no breach of confidentiality",
        "paragraph_id": "para_1256"
      },
      {
        "text": "has occurred until medical information is actually viewed by",
        "paragraph_id": "para_1257"
      },
      {
        "text": "an unauthorized person.” (J.M., supra, 19 Cal.5th at p. 721.)",
        "paragraph_id": "para_1258"
      },
      {
        "text": "The court held “the primary inquiry with regard to breach",
        "paragraph_id": "para_1259"
      },
      {
        "text": "of confidentiality is whether the information is exposed to a",
        "paragraph_id": "para_1260"
      },
      {
        "text": "significant risk of unauthorized access or use.” (Id. at p. 723.)",
        "paragraph_id": "para_1261"
      },
      {
        "text": "The court disapproved Vigil to the extent it held otherwise.22",
        "paragraph_id": "para_1262"
      },
      {
        "text": "(Ibid.)",
        "paragraph_id": "para_1263"
      },
      {
        "text": "20 Vigil involved a data breach where a former employee of",
        "paragraph_id": "para_1264"
      },
      {
        "text": "a medical group, before her employment ended, “downloaded",
        "paragraph_id": "para_1265"
      },
      {
        "text": "copies of information for over 5,400 patients that included",
        "paragraph_id": "para_1266"
      },
      {
        "text": "insurance and clinical information.” (Vigil, supra, 84 Cal.App.5th",
        "paragraph_id": "para_1267"
      },
      {
        "text": "at pp. 205–206.) The named plaintiff had argued “the case could",
        "paragraph_id": "para_1268"
      },
      {
        "text": "be decided on a classwide basis because there was evidence",
        "paragraph_id": "para_1269"
      },
      {
        "text": "that [the former employee] downloaded, retained, and viewed",
        "paragraph_id": "para_1270"
      },
      {
        "text": "a patient spreadsheet.” (Id. at p. 207.)",
        "paragraph_id": "para_1271"
      },
      {
        "text": "21 As plaintiffs note, whether a third party “actually viewed",
        "paragraph_id": "para_1272"
      },
      {
        "text": "the information” is not an element under CIPA. (See § 631(a)",
        "paragraph_id": "para_1273"
      },
      {
        "text": "[CIPA is violated when a party “reads or attempts to read,",
        "paragraph_id": "para_1274"
      },
      {
        "text": "or to learn the contents or meaning of any message, report,",
        "paragraph_id": "para_1275"
      },
      {
        "text": "or communication” in transit]; see also footnote 22.)",
        "paragraph_id": "para_1276"
      },
      {
        "text": "22 As we discuss, the J.M. decision does not affect our",
        "paragraph_id": "para_1277"
      },
      {
        "text": "disposition. If plaintiffs’ proffered theory of proof would enable",
        "paragraph_id": "para_1278"
      },
      {
        "text": "a factfinder to determine on a class-wide basis whether Google",
        "paragraph_id": "para_1279"
      },
      {
        "text": "and/or Meta viewed or accessed the HRA report links—as we",
        "paragraph_id": "para_1280"
      },
      {
        "text": "conclude it does below—it also would enable a factfinder to",
        "paragraph_id": "para_1281"
      },
      {
        "text": "43",
        "paragraph_id": "para_1282"
      },
      {
        "text": "Not having the benefit of J.M., however, on appeal,",
        "paragraph_id": "para_1283"
      },
      {
        "text": "plaintiffs have argued the trial court ignored their proposed",
        "paragraph_id": "para_1284"
      },
      {
        "text": "theory of how they commonly could prove “whether third",
        "paragraph_id": "para_1285"
      },
      {
        "text": "parties viewed or accessed HRA Subclass members’ medical",
        "paragraph_id": "para_1286"
      },
      {
        "text": "information.” Plaintiffs assert they will present evidence at",
        "paragraph_id": "para_1287"
      },
      {
        "text": "trial—through their expert Dr. Jennifer Golbeck’s testimony—",
        "paragraph_id": "para_1288"
      },
      {
        "text": "that Meta and Google “used sophisticated computer algorithms",
        "paragraph_id": "para_1289"
      },
      {
        "text": "to process and analyze the data received from tracking pixel",
        "paragraph_id": "para_1290"
      },
      {
        "text": "transmissions.” As plaintiffs note, in her report, Golbeck",
        "paragraph_id": "para_1291"
      },
      {
        "text": "summarized her analysis as showing “that Facebook and",
        "paragraph_id": "para_1292"
      },
      {
        "text": "Google routinely collect, analyze[ ], and exploit users’ data",
        "paragraph_id": "para_1293"
      },
      {
        "text": "for advertising purposes, including the data of Adventist’s",
        "paragraph_id": "para_1294"
      },
      {
        "text": "patients.”23 As “Golbeck’s testimony will apply to the entire",
        "paragraph_id": "para_1295"
      },
      {
        "text": "Subclass,” plaintiffs contend this element “is a common issue",
        "paragraph_id": "para_1296"
      },
      {
        "text": "supporting predominance.” To the extent that this evidence",
        "paragraph_id": "para_1297"
      },
      {
        "text": "would satisfy an actual “viewing” or “accessing” requirement,",
        "paragraph_id": "para_1298"
      },
      {
        "text": "it would necessarily demonstrate exposure to a significant risk",
        "paragraph_id": "para_1299"
      },
      {
        "text": "of unauthorized access.",
        "paragraph_id": "para_1300"
      },
      {
        "text": "Adventist argues plaintiffs never argued Meta’s and",
        "paragraph_id": "para_1301"
      },
      {
        "text": "Google’s algorithmic processing of data constituted “ ‘viewing’ ”",
        "paragraph_id": "para_1302"
      },
      {
        "text": "of that information for purposes of CMIA. Adventist",
        "paragraph_id": "para_1303"
      },
      {
        "text": "acknowledges plaintiffs mentioned their algorithm theory",
        "paragraph_id": "para_1304"
      },
      {
        "text": "determine if the information in the HRA report links was",
        "paragraph_id": "para_1305"
      },
      {
        "text": "“exposed to a significant risk of unauthorized access or use.”",
        "paragraph_id": "para_1306"
      },
      {
        "text": "(J.M., supra, 19 Cal.5th at p. 723.) To the extent J.M. raises new",
        "paragraph_id": "para_1307"
      },
      {
        "text": "issues, however, the parties may raise them in the trial court",
        "paragraph_id": "para_1308"
      },
      {
        "text": "on remand.",
        "paragraph_id": "para_1309"
      },
      {
        "text": "23 The court denied Adventist’s motion to strike Golbeck’s",
        "paragraph_id": "para_1310"
      },
      {
        "text": "report and opinions.",
        "paragraph_id": "para_1311"
      },
      {
        "text": "44",
        "paragraph_id": "para_1312"
      },
      {
        "text": "in a footnote but essentially contends that, because a footnote",
        "paragraph_id": "para_1313"
      },
      {
        "text": "was insufficient to “advance their ‘algorithmic processing’ theory",
        "paragraph_id": "para_1314"
      },
      {
        "text": "at . . . trial,” plaintiffs forfeited the argument.",
        "paragraph_id": "para_1315"
      },
      {
        "text": "We disagree. In their motion, plaintiffs argued that",
        "paragraph_id": "para_1316"
      },
      {
        "text": "whether Adventist violated CMIA depended on questions",
        "paragraph_id": "para_1317"
      },
      {
        "text": "common to the class, including whether “the disclosed",
        "paragraph_id": "para_1318"
      },
      {
        "text": "information was ‘viewed or accessed’ by an unauthorized party.”",
        "paragraph_id": "para_1319"
      },
      {
        "text": "Plaintiffs provided their support for that statement—as they did",
        "paragraph_id": "para_1320"
      },
      {
        "text": "for other common questions their motion identified for this cause",
        "paragraph_id": "para_1321"
      },
      {
        "text": "of action—in a footnote. Plaintiffs asserted their expert Golbeck",
        "paragraph_id": "para_1322"
      },
      {
        "text": "“will testify that Facebook and Google have sophisticated systems",
        "paragraph_id": "para_1323"
      },
      {
        "text": "for processing and analyzing the data and building profiles used",
        "paragraph_id": "para_1324"
      },
      {
        "text": "to serve targeted advertising. [Citing ¶¶ 35–77 of Golbeck’s",
        "paragraph_id": "para_1325"
      },
      {
        "text": "report.] How these algorithms work and whether processing",
        "paragraph_id": "para_1326"
      },
      {
        "text": "by computer algorithm constitutes being ‘viewed or otherwise",
        "paragraph_id": "para_1327"
      },
      {
        "text": "accessed’ for CMIA purposes present common questions.”",
        "paragraph_id": "para_1328"
      },
      {
        "text": "Plaintiffs filed Golbeck’s report with their motion as a supporting",
        "paragraph_id": "para_1329"
      },
      {
        "text": "exhibit. Plaintiffs also cited to Cousin II in support of this",
        "paragraph_id": "para_1330"
      },
      {
        "text": "theory. In that case, the district court denied defendant’s motion",
        "paragraph_id": "para_1331"
      },
      {
        "text": "to dismiss the plaintiffs’ CMIA claim where the plaintiffs had",
        "paragraph_id": "para_1332"
      },
      {
        "text": "“plead[ed] information regarding Meta’s business model and",
        "paragraph_id": "para_1333"
      },
      {
        "text": "how it uses the information for targeted advertising.” (Cousin II,",
        "paragraph_id": "para_1334"
      },
      {
        "text": "supra, 702 F.Supp.3d at p. 975.) The court explained “whether",
        "paragraph_id": "para_1335"
      },
      {
        "text": "the alleged use by Meta of the information, through perhaps",
        "paragraph_id": "para_1336"
      },
      {
        "text": "algorithms, amounts to viewing or accessing under CMIA is",
        "paragraph_id": "para_1337"
      },
      {
        "text": "a question the Court cannot answer on Defendant’s motion to",
        "paragraph_id": "para_1338"
      },
      {
        "text": "dismiss. It is sufficiently plausible at this time that Plaintiffs’",
        "paragraph_id": "para_1339"
      },
      {
        "text": "information was ‘viewed or otherwise accessed’ as contemplated",
        "paragraph_id": "para_1340"
      },
      {
        "text": "by CMIA.” (Ibid.)",
        "paragraph_id": "para_1341"
      },
      {
        "text": "45",
        "paragraph_id": "para_1342"
      },
      {
        "text": "Adventist relies on Holden v. City of San Diego (2019) 43",
        "paragraph_id": "para_1343"
      },
      {
        "text": "Cal.App.5th 404. There, the court found a plaintiff was precluded",
        "paragraph_id": "para_1344"
      },
      {
        "text": "from raising a legal issue on appeal—that the defendant city",
        "paragraph_id": "para_1345"
      },
      {
        "text": "had failed to comply with a statute—where he had raised that",
        "paragraph_id": "para_1346"
      },
      {
        "text": "issue “only in a footnote in his opening [trial court] brief” without",
        "paragraph_id": "para_1347"
      },
      {
        "text": "substantive legal analysis. (Id. at p. 419.) Holden is inapposite.",
        "paragraph_id": "para_1348"
      },
      {
        "text": "There, the plaintiff’s footnote stated the city had ignored a",
        "paragraph_id": "para_1349"
      },
      {
        "text": "statutory requirement without quoting the relevant language",
        "paragraph_id": "para_1350"
      },
      {
        "text": "from the statute or providing any legal analysis that the city",
        "paragraph_id": "para_1351"
      },
      {
        "text": "was required to comply with the statute and failed to do so.",
        "paragraph_id": "para_1352"
      },
      {
        "text": "(Ibid.) The plaintiff also failed to provide any substantive",
        "paragraph_id": "para_1353"
      },
      {
        "text": "analysis of the issue in his opening brief on appeal, again",
        "paragraph_id": "para_1354"
      },
      {
        "text": "referring to a footnote. (Ibid.) Here, however, plaintiffs’ motion",
        "paragraph_id": "para_1355"
      },
      {
        "text": "contended up front that common issues existed as to Adventist’s",
        "paragraph_id": "para_1356"
      },
      {
        "text": "liability under CMIA and set forth those common questions in a",
        "paragraph_id": "para_1357"
      },
      {
        "text": "bullet-pointed list. From our reading of the motion, counsel made",
        "paragraph_id": "para_1358"
      },
      {
        "text": "a style choice to use footnotes to describe the common evidence",
        "paragraph_id": "para_1359"
      },
      {
        "text": "plaintiffs would present to answer those questions rather than",
        "paragraph_id": "para_1360"
      },
      {
        "text": "interrupt the flow of that list. And, unlike the plaintiff in",
        "paragraph_id": "para_1361"
      },
      {
        "text": "Holden, plaintiffs’ opening and reply briefs on appeal",
        "paragraph_id": "para_1362"
      },
      {
        "text": "substantively address their algorithm theory. We find no",
        "paragraph_id": "para_1363"
      },
      {
        "text": "forfeiture.24",
        "paragraph_id": "para_1364"
      },
      {
        "text": "The court did not mention plaintiffs’ algorithm theory of",
        "paragraph_id": "para_1365"
      },
      {
        "text": "proof in finding they failed to show common issues predominated.",
        "paragraph_id": "para_1366"
      },
      {
        "text": "It thus did not determine if this element of plaintiffs’ CMIA claim",
        "paragraph_id": "para_1367"
      },
      {
        "text": "—whether Google and/or Meta viewed or accessed the HRA",
        "paragraph_id": "para_1368"
      },
      {
        "text": "24 Moreover, in opposition to plaintiffs’ certification motion,",
        "paragraph_id": "para_1369"
      },
      {
        "text": "Adventist never argued plaintiffs’ algorithm theory would not",
        "paragraph_id": "para_1370"
      },
      {
        "text": "enable a factfinder to answer the viewing/accessing question",
        "paragraph_id": "para_1371"
      },
      {
        "text": "on a class-wide basis for the HRA form subclass.",
        "paragraph_id": "para_1372"
      },
      {
        "text": "46",
        "paragraph_id": "para_1373"
      },
      {
        "text": "report links—could be determined on a class-wide basis under",
        "paragraph_id": "para_1374"
      },
      {
        "text": "the theory plaintiffs proposed. (See Brinker, supra, 53 Cal.4th at",
        "paragraph_id": "para_1375"
      },
      {
        "text": "p. 1021 [answer to question of predominance “hinges on ‘whether",
        "paragraph_id": "para_1376"
      },
      {
        "text": "the theory of recovery advanced by the proponents of certification",
        "paragraph_id": "para_1377"
      },
      {
        "text": "is, as an analytical matter, likely to prove amenable to class",
        "paragraph_id": "para_1378"
      },
      {
        "text": "treatment’ ”]; Walsh, supra, 148 Cal.App.4th at p. 1450 [court",
        "paragraph_id": "para_1379"
      },
      {
        "text": "must consider plaintiffs’ theory of liability to determine if",
        "paragraph_id": "para_1380"
      },
      {
        "text": "common issues predominate].) This was error. As plaintiffs",
        "paragraph_id": "para_1381"
      },
      {
        "text": "argue, the theory they advanced through Golbeck’s report",
        "paragraph_id": "para_1382"
      },
      {
        "text": "was that “Google’s and Facebook’s sophisticated algorithms",
        "paragraph_id": "para_1383"
      },
      {
        "text": "automatically processed the transmitted data.” Accordingly,",
        "paragraph_id": "para_1384"
      },
      {
        "text": "“[t]he trial court’s ‘actual clicks’ theory b[ore] no relationship to",
        "paragraph_id": "para_1385"
      },
      {
        "text": "Plaintiffs’ algorithmic processing theory . . . and therefore cannot",
        "paragraph_id": "para_1386"
      },
      {
        "text": "support denial of certification.” They argue “[i]t is a class-wide",
        "paragraph_id": "para_1387"
      },
      {
        "text": "merits issue whether the algorithmic processing that Plaintiffs",
        "paragraph_id": "para_1388"
      },
      {
        "text": "will show Facebook and Google performed satisfies this element",
        "paragraph_id": "para_1389"
      },
      {
        "text": "as ‘viewing’ or ‘accessing.’ ” (Citing the district court’s holding",
        "paragraph_id": "para_1390"
      },
      {
        "text": "in Cousin II, supra, 702 F.Supp.3d at p. 975, stated above.)",
        "paragraph_id": "para_1391"
      },
      {
        "text": "We agree and conclude plaintiffs presented sufficient",
        "paragraph_id": "para_1392"
      },
      {
        "text": "evidence to demonstrate their algorithm theory of proof would",
        "paragraph_id": "para_1393"
      },
      {
        "text": "enable a factfinder to determine on a class-wide basis whether",
        "paragraph_id": "para_1394"
      },
      {
        "text": "Google and/or Meta viewed or accessed the HRA report links.",
        "paragraph_id": "para_1395"
      },
      {
        "text": "In plaintiffs’ words, Golbeck’s report explained how Google",
        "paragraph_id": "para_1396"
      },
      {
        "text": "and Facebook process, analyze, and assimilate users’ data",
        "paragraph_id": "para_1397"
      },
      {
        "text": "they receive to provide targeted advertising. We have reviewed",
        "paragraph_id": "para_1398"
      },
      {
        "text": "Golbeck’s report. She explained companies like Meta/Facebook",
        "paragraph_id": "para_1399"
      },
      {
        "text": "and Google use machine learning systems to analyze all available",
        "paragraph_id": "para_1400"
      },
      {
        "text": "user data to develop predictive models to develop targeted",
        "paragraph_id": "para_1401"
      },
      {
        "text": "advertising. “[B]ecause a machine learning system constructs",
        "paragraph_id": "para_1402"
      },
      {
        "text": "its predictive model from all data made available, all the data",
        "paragraph_id": "para_1403"
      },
      {
        "text": "47",
        "paragraph_id": "para_1404"
      },
      {
        "text": "made available is necessarily used by that system, regardless of",
        "paragraph_id": "para_1405"
      },
      {
        "text": "what degree of predictive weight a resulting model places on any",
        "paragraph_id": "para_1406"
      },
      {
        "text": "given data point.” Golbeck opined “it is reasonable to state that",
        "paragraph_id": "para_1407"
      },
      {
        "text": "all data available to [a] model in operation is used by that model,",
        "paragraph_id": "para_1408"
      },
      {
        "text": "and it is not usually feasible (and not part of the usual parlance",
        "paragraph_id": "para_1409"
      },
      {
        "text": "of those working with machine learning) to discuss the",
        "paragraph_id": "para_1410"
      },
      {
        "text": "relationship between a particular piece of data and the",
        "paragraph_id": "para_1411"
      },
      {
        "text": "predictions made by the model.”",
        "paragraph_id": "para_1412"
      },
      {
        "text": "As we understand their theory, plaintiffs contend they",
        "paragraph_id": "para_1413"
      },
      {
        "text": "can show Meta’s and/or Google’s sophisticated data processing",
        "paragraph_id": "para_1414"
      },
      {
        "text": "systems/computer algorithms, as a matter of course, would have",
        "paragraph_id": "para_1415"
      },
      {
        "text": "“accessed” or “viewed” the data within the actual HRA reports",
        "paragraph_id": "para_1416"
      },
      {
        "text": "—i.e., patients’ medical information—through the URL links",
        "paragraph_id": "para_1417"
      },
      {
        "text": "Adventist transmitted. That data then necessarily would have",
        "paragraph_id": "para_1418"
      },
      {
        "text": "been used in some way by the predictive models those systems",
        "paragraph_id": "para_1419"
      },
      {
        "text": "created to develop targeted advertising. Such an analysis would",
        "paragraph_id": "para_1420"
      },
      {
        "text": "show on a class-wide basis whether or not Adventist’s alleged",
        "paragraph_id": "para_1421"
      },
      {
        "text": "transmission of URL links to patients’ HRA reports resulted",
        "paragraph_id": "para_1422"
      },
      {
        "text": "in a breach of the “confidential nature” of patients’ medical",
        "paragraph_id": "para_1423"
      },
      {
        "text": "information. Defendants argued below and on appeal that",
        "paragraph_id": "para_1424"
      },
      {
        "text": "what Adventist allegedly transmitted was the URL, not the",
        "paragraph_id": "para_1425"
      },
      {
        "text": "report itself, and the URL does not reveal medical information.",
        "paragraph_id": "para_1426"
      },
      {
        "text": "But whether a third-party’s computer system’s assimilation of",
        "paragraph_id": "para_1427"
      },
      {
        "text": "data—as plaintiffs’ expert described—amounts to the viewing",
        "paragraph_id": "para_1428"
      },
      {
        "text": "or accessing of that data under the CMIA is a merits question",
        "paragraph_id": "para_1429"
      },
      {
        "text": "common to the HRA form subclass. Accordingly, we conclude",
        "paragraph_id": "para_1430"
      },
      {
        "text": "plaintiffs met their burden in the trial court to show whether",
        "paragraph_id": "para_1431"
      },
      {
        "text": "unauthorized parties viewed or accessed HRA form subclass",
        "paragraph_id": "para_1432"
      },
      {
        "text": "members’ medical information can be determined based on",
        "paragraph_id": "para_1433"
      },
      {
        "text": "common proof.",
        "paragraph_id": "para_1434"
      },
      {
        "text": "48",
        "paragraph_id": "para_1435"
      },
      {
        "text": "In summary, we conclude the court’s reasoning did not",
        "paragraph_id": "para_1436"
      },
      {
        "text": "support its finding that plaintiffs did not show common issues",
        "paragraph_id": "para_1437"
      },
      {
        "text": "predominated on their CIPA and CMIA claims as to the HRA",
        "paragraph_id": "para_1438"
      },
      {
        "text": "form subclass.",
        "paragraph_id": "para_1439"
      },
      {
        "text": "c. The patient portal subclass",
        "paragraph_id": "para_1440"
      },
      {
        "text": "i. Plaintiffs demonstrated their CIPA –",
        "paragraph_id": "para_1441"
      },
      {
        "text": "wiretapping claim was subject to common proof",
        "paragraph_id": "para_1442"
      },
      {
        "text": "Plaintiffs’ ultimate theory was that the baseline",
        "paragraph_id": "para_1443"
      },
      {
        "text": "information the tracking pixels uniformly shared whenever",
        "paragraph_id": "para_1444"
      },
      {
        "text": "patients interacted with an Adventist website—the first-party",
        "paragraph_id": "para_1445"
      },
      {
        "text": "cookie identifiers, page view information, URLs (whether",
        "paragraph_id": "para_1446"
      },
      {
        "text": "partially obfuscated or not), IP addresses (whether complete",
        "paragraph_id": "para_1447"
      },
      {
        "text": "or partially masked), and user agent data—was evidence",
        "paragraph_id": "para_1448"
      },
      {
        "text": "applicable class-wide to prove plaintiffs’ CIPA (and CMIA) claim,",
        "paragraph_id": "para_1449"
      },
      {
        "text": "demonstrating common issues predominated. Plaintiffs relied",
        "paragraph_id": "para_1450"
      },
      {
        "text": "on their expert Shafiq’s reports to show the question of whether",
        "paragraph_id": "para_1451"
      },
      {
        "text": "this information included the “contents” of Adventist’s patients’",
        "paragraph_id": "para_1452"
      },
      {
        "text": "communications was subject to common proof. Those reports,",
        "paragraph_id": "para_1453"
      },
      {
        "text": "which the court examined, included Shafiq’s analysis of the data",
        "paragraph_id": "para_1454"
      },
      {
        "text": "transmitted to Google and/or Meta from both Adventist’s public",
        "paragraph_id": "para_1455"
      },
      {
        "text": "websites and the patient portal, however.",
        "paragraph_id": "para_1456"
      },
      {
        "text": "Shafiq stated Adventist “shared at least the following types",
        "paragraph_id": "para_1457"
      },
      {
        "text": "of sensitive information about patient activity . . . alongside the",
        "paragraph_id": "para_1458"
      },
      {
        "text": "patient identifiers:” “Page URL that includes search terms” and",
        "paragraph_id": "para_1459"
      },
      {
        "text": "“Page title that includes search terms.” Shafiq gave examples of",
        "paragraph_id": "para_1460"
      },
      {
        "text": "URLs from Adventist’s public website that included query strings",
        "paragraph_id": "para_1461"
      },
      {
        "text": "with search terms such as “pregnancy,” “breast . . . cancer,”",
        "paragraph_id": "para_1462"
      },
      {
        "text": "and the name of a provider combined with the search term",
        "paragraph_id": "para_1463"
      },
      {
        "text": "“mental . . . health” or “radiation . . . oncology.” Another page",
        "paragraph_id": "para_1464"
      },
      {
        "text": "URL example showed a search at “doctors.adventisthealth.org”",
        "paragraph_id": "para_1465"
      },
      {
        "text": "49",
        "paragraph_id": "para_1466"
      },
      {
        "text": "that included a query string with the search terms “surgical”",
        "paragraph_id": "para_1467"
      },
      {
        "text": "and “abortion.”",
        "paragraph_id": "para_1468"
      },
      {
        "text": "The trial court noted those URL examples included search",
        "paragraph_id": "para_1469"
      },
      {
        "text": "terms. The court also referred to Shafiq’s finding that Adventist",
        "paragraph_id": "para_1470"
      },
      {
        "text": "shared “Page title that includes search terms such as ‘surgical",
        "paragraph_id": "para_1471"
      },
      {
        "text": "abortion – Find a Physician or Provider/Adventist Health’",
        "paragraph_id": "para_1472"
      },
      {
        "text": "and ‘MyAdventistHealth Patient Portal/Adventist Health.’ ”25",
        "paragraph_id": "para_1473"
      },
      {
        "text": "The court noted the first page title example appeared to contain",
        "paragraph_id": "para_1474"
      },
      {
        "text": "search terms but the second did not. The court concluded page",
        "paragraph_id": "para_1475"
      },
      {
        "text": "titles like the example “ ‘MyAdventistHealth Patient Portal’ ”",
        "paragraph_id": "para_1476"
      },
      {
        "text": "“merely identif[ied] the page” and were “not ‘a person’s personal",
        "paragraph_id": "para_1477"
      },
      {
        "text": "search engine queries’ that [could] be content.” (Quoting",
        "paragraph_id": "para_1478"
      },
      {
        "text": "Cousin II, supra, 702 F.Supp.3d at p. 976.) The court further",
        "paragraph_id": "para_1479"
      },
      {
        "text": "noted Shafiq’s report referred to Adventist having tracked",
        "paragraph_id": "para_1480"
      },
      {
        "text": "and transmitted “ ‘specific events’ ”—again, from Adventist’s",
        "paragraph_id": "para_1481"
      },
      {
        "text": "public website—“ ‘such as “HRA Report Accessed,” “Online",
        "paragraph_id": "para_1482"
      },
      {
        "text": "Scheduling Confirmation,” ’ ” “ ‘patient-assessment-report,’ ”",
        "paragraph_id": "para_1483"
      },
      {
        "text": "“ ‘Knee Webinar Thank-You,’ . . . ‘Lodi Ortho Thank-You,’ . . .",
        "paragraph_id": "para_1484"
      },
      {
        "text": "‘Adventist Health All Contact Button Clicks,’ [and] ‘Heart",
        "paragraph_id": "para_1485"
      },
      {
        "text": "Webinar Pageview,’ ” but he did not “say these events contain",
        "paragraph_id": "para_1486"
      },
      {
        "text": "patient search terms.” As we mentioned, the court found",
        "paragraph_id": "para_1487"
      },
      {
        "text": "they appeared to be “records of page views or buttons/links",
        "paragraph_id": "para_1488"
      },
      {
        "text": "that a patient clicked” and “[a]s such,” were “not ‘content.’ ”",
        "paragraph_id": "para_1489"
      },
      {
        "text": "The court noted that although Shafiq gave examples of",
        "paragraph_id": "para_1490"
      },
      {
        "text": "URLs “containing patients’ search terms,” his report “define[d]",
        "paragraph_id": "para_1491"
      },
      {
        "text": "‘content information’ as including page titles.” “Navigating to",
        "paragraph_id": "para_1492"
      },
      {
        "text": "25 The page title “MyAdventistHealth Patient Portal” appears",
        "paragraph_id": "para_1493"
      },
      {
        "text": "to be the page where a patient can log into the portal, not",
        "paragraph_id": "para_1494"
      },
      {
        "text": "necessarily the page within the patient portal after the patient",
        "paragraph_id": "para_1495"
      },
      {
        "text": "has logged in.",
        "paragraph_id": "para_1496"
      },
      {
        "text": "50",
        "paragraph_id": "para_1497"
      },
      {
        "text": "a webpage without entering search terms,” the court reasoned,",
        "paragraph_id": "para_1498"
      },
      {
        "text": "“does not transmit ‘contents,’ even if information about that",
        "paragraph_id": "para_1499"
      },
      {
        "text": "webpage (i.e., record data) is transmitted.” (Citing Zynga, supra,",
        "paragraph_id": "para_1500"
      },
      {
        "text": "750 F.3d at pp. 1108–1109.) Accordingly, because one patient’s",
        "paragraph_id": "para_1501"
      },
      {
        "text": "transmitted information might contain “search terms” that",
        "paragraph_id": "para_1502"
      },
      {
        "text": "“could be content,” while another patient’s transmitted",
        "paragraph_id": "para_1503"
      },
      {
        "text": "information might consist of a “webpage or event information”",
        "paragraph_id": "para_1504"
      },
      {
        "text": "that could be merely “record information,” the court found",
        "paragraph_id": "para_1505"
      },
      {
        "text": "plaintiffs failed to show common issues predominated relating",
        "paragraph_id": "para_1506"
      },
      {
        "text": "to this element of proof.",
        "paragraph_id": "para_1507"
      },
      {
        "text": "Plaintiffs do not dispute this reasoning as applied to the",
        "paragraph_id": "para_1508"
      },
      {
        "text": "variety of transmissions from Adventist’s public website with",
        "paragraph_id": "para_1509"
      },
      {
        "text": "respect to the general class. Plaintiffs contend, however, that",
        "paragraph_id": "para_1510"
      },
      {
        "text": "the court’s reasoning—that their CIPA claim was not susceptible",
        "paragraph_id": "para_1511"
      },
      {
        "text": "to common proof because some URLs contained patient search",
        "paragraph_id": "para_1512"
      },
      {
        "text": "terms and others did not—did not apply to the patient portal",
        "paragraph_id": "para_1513"
      },
      {
        "text": "subclass because no “query strings” were transmitted from the",
        "paragraph_id": "para_1514"
      },
      {
        "text": "patient portal. In reasoning plaintiffs failed to show common",
        "paragraph_id": "para_1515"
      },
      {
        "text": "issues predominated for the patient portal subclass, the court",
        "paragraph_id": "para_1516"
      },
      {
        "text": "noted one example URL transmitted from within the patient",
        "paragraph_id": "para_1517"
      },
      {
        "text": "portal included the words “/health-record/radiology”26 revealing—",
        "paragraph_id": "para_1518"
      },
      {
        "text": "as Adventist’s expert confirmed—that the patient had requested",
        "paragraph_id": "para_1519"
      },
      {
        "text": "26 The full page URL in the patient portal for this example",
        "paragraph_id": "para_1520"
      },
      {
        "text": "was “https://patientportal.myadventisthealthportal.org/",
        "paragraph_id": "para_1521"
      },
      {
        "text": "person/dS7xf9Kt4in8df5/health-record/radiology/15999379949/",
        "paragraph_id": "para_1522"
      },
      {
        "text": "download.” Before sharing the full page URL, Cerner would",
        "paragraph_id": "para_1523"
      },
      {
        "text": "have substituted the identifying number strings with",
        "paragraph_id": "para_1524"
      },
      {
        "text": "“PERSON_ID” and “DOCUMENT_ID.” One such example is:",
        "paragraph_id": "para_1525"
      },
      {
        "text": "“/person/PERSON_ID/health-record/radiology/types/common/",
        "paragraph_id": "para_1526"
      },
      {
        "text": "DOCUMENT_ID/download.”",
        "paragraph_id": "para_1527"
      },
      {
        "text": "51",
        "paragraph_id": "para_1528"
      },
      {
        "text": "a radiology report. The court noted such a URL may have",
        "paragraph_id": "para_1529"
      },
      {
        "text": "revealed the patient’s medical information—and thus we can",
        "paragraph_id": "para_1530"
      },
      {
        "text": "infer also arguably conveyed the “contents” of the patient’s",
        "paragraph_id": "para_1531"
      },
      {
        "text": "communication. The court, however, noted other URLs that",
        "paragraph_id": "para_1532"
      },
      {
        "text": "reflected the “patient’s activity in the patient portal caused a",
        "paragraph_id": "para_1533"
      },
      {
        "text": "‘Download/Transmit’ or ‘Health Record – Results’ event,” “may",
        "paragraph_id": "para_1534"
      },
      {
        "text": "not reveal . . . ‘content’ under CIPA” (or “ ‘medical information’",
        "paragraph_id": "para_1535"
      },
      {
        "text": "under CMIA”). The court reasoned “ ‘Download/Transmit’ and",
        "paragraph_id": "para_1536"
      },
      {
        "text": "‘Health Record – Results’ appear[ed] not to contain patient",
        "paragraph_id": "para_1537"
      },
      {
        "text": "search terms.”27",
        "paragraph_id": "para_1538"
      },
      {
        "text": "As plaintiffs note, unlike the public website, none of",
        "paragraph_id": "para_1539"
      },
      {
        "text": "the URLs transmitted from the patient portal included patient",
        "paragraph_id": "para_1540"
      },
      {
        "text": "search terms because all query strings were removed. Nor would",
        "paragraph_id": "para_1541"
      },
      {
        "text": "any Page search terms (such as the surgical abortion example",
        "paragraph_id": "para_1542"
      },
      {
        "text": "above) have been included, as Cerner’s security software would",
        "paragraph_id": "para_1543"
      },
      {
        "text": "have removed any terms revealing health information within",
        "paragraph_id": "para_1544"
      },
      {
        "text": "search parameters. Accordingly, as no patient portal URLs",
        "paragraph_id": "para_1545"
      },
      {
        "text": "contained user search terms or query strings, plaintiffs argue",
        "paragraph_id": "para_1546"
      },
      {
        "text": "there would be no need to examine the individual URLs for",
        "paragraph_id": "para_1547"
      },
      {
        "text": "search terms to determine if they transmitted “contents,” as the",
        "paragraph_id": "para_1548"
      },
      {
        "text": "court had reasoned was required for the public website. Rather,",
        "paragraph_id": "para_1549"
      },
      {
        "text": "plaintiffs contend that whether Adventist’s uniform transmission",
        "paragraph_id": "para_1550"
      },
      {
        "text": "of URLs from the portal with path information, “including",
        "paragraph_id": "para_1551"
      },
      {
        "text": "descriptive natural language terms like ‘Health Record – Results’",
        "paragraph_id": "para_1552"
      },
      {
        "text": "27 These descriptive terms reflected the tabs or buttons within",
        "paragraph_id": "para_1553"
      },
      {
        "text": "the patient portal that logged-in patients could “click.” Others",
        "paragraph_id": "para_1554"
      },
      {
        "text": "included “lab results,” “radiology,” “medications,” “procedures,”",
        "paragraph_id": "para_1555"
      },
      {
        "text": "“health record,” “messages,” “appointments,” “documents,” and",
        "paragraph_id": "para_1556"
      },
      {
        "text": "“view results.”",
        "paragraph_id": "para_1557"
      },
      {
        "text": "52",
        "paragraph_id": "para_1558"
      },
      {
        "text": "and ‘Radiology,’ ” satisfies the “contents” element of CIPA “is a",
        "paragraph_id": "para_1559"
      },
      {
        "text": "merits question, and it is a common one.”",
        "paragraph_id": "para_1560"
      },
      {
        "text": "First, we do not interpret the court’s reference to “events”",
        "paragraph_id": "para_1561"
      },
      {
        "text": "not containing “search terms” to mean the court mistakenly",
        "paragraph_id": "para_1562"
      },
      {
        "text": "believed some URLs in the patient portal had “query strings” and",
        "paragraph_id": "para_1563"
      },
      {
        "text": "some did not, as plaintiffs seem to contend. Rather, the court",
        "paragraph_id": "para_1564"
      },
      {
        "text": "was comparing the “radiology” example—which showed the",
        "paragraph_id": "para_1565"
      },
      {
        "text": "patient had downloaded a radiology record through inclusion of",
        "paragraph_id": "para_1566"
      },
      {
        "text": "the substantive term “radiology”—with the other two examples",
        "paragraph_id": "para_1567"
      },
      {
        "text": "that generally described the patient’s activity—having instigated",
        "paragraph_id": "para_1568"
      },
      {
        "text": "an unknown “download” or viewed some type of “results” within",
        "paragraph_id": "para_1569"
      },
      {
        "text": "the patient’s health record. Critically, the court did not state",
        "paragraph_id": "para_1570"
      },
      {
        "text": "the “radiology” example included user search terms while the",
        "paragraph_id": "para_1571"
      },
      {
        "text": "“download/transmit” example did not. Rather, we understand",
        "paragraph_id": "para_1572"
      },
      {
        "text": "the court to have reasoned that, without a user search term,",
        "paragraph_id": "para_1573"
      },
      {
        "text": "specific document accessed, or other similar user communication,",
        "paragraph_id": "para_1574"
      },
      {
        "text": "the descriptor “download/transmit” likely did not convey the",
        "paragraph_id": "para_1575"
      },
      {
        "text": "contents of the patient’s communications whereas “radiology”",
        "paragraph_id": "para_1576"
      },
      {
        "text": "might. (Cf. Cousin II, supra, 702 F.Supp.3d at pp. 975–976",
        "paragraph_id": "para_1577"
      },
      {
        "text": "[alleging data collected included “specialty healthcare providers”",
        "paragraph_id": "para_1578"
      },
      {
        "text": "and “treatments for medical conditions” was sufficient to show",
        "paragraph_id": "para_1579"
      },
      {
        "text": "“ ‘contents of communications’ ” to state a claim under CIPA].)",
        "paragraph_id": "para_1580"
      },
      {
        "text": "We do not disagree that the different descriptive terms within",
        "paragraph_id": "para_1581"
      },
      {
        "text": "the patient portal URLs seem to convey different levels of",
        "paragraph_id": "para_1582"
      },
      {
        "text": "information—despite uniformly not including query strings.",
        "paragraph_id": "para_1583"
      },
      {
        "text": "Nevertheless, those descriptive terms—as we noted—",
        "paragraph_id": "para_1584"
      },
      {
        "text": "denote the activity choice the patient made within the patient’s",
        "paragraph_id": "para_1585"
      },
      {
        "text": "personalized portal. Presumably, a URL that included the",
        "paragraph_id": "para_1586"
      },
      {
        "text": "descriptive term “health record” or “messages” indicated the",
        "paragraph_id": "para_1587"
      },
      {
        "text": "patient had accessed her electronic health record or sent or read",
        "paragraph_id": "para_1588"
      },
      {
        "text": "53",
        "paragraph_id": "para_1589"
      },
      {
        "text": "a message to or from a provider, just as the term “radiology”",
        "paragraph_id": "para_1590"
      },
      {
        "text": "that appeared in the example above showed a patient checked",
        "paragraph_id": "para_1591"
      },
      {
        "text": "a radiology result. In the context of an authenticated patient",
        "paragraph_id": "para_1592"
      },
      {
        "text": "portal, therefore, the description of the chosen page visited,",
        "paragraph_id": "para_1593"
      },
      {
        "text": "or activity performed within the portal, arguably is not “basic",
        "paragraph_id": "para_1594"
      },
      {
        "text": "identification [or] address information” that constitutes merely",
        "paragraph_id": "para_1595"
      },
      {
        "text": "“record information.” (Zynga, supra, 750 F.3d at pp. 1107,",
        "paragraph_id": "para_1596"
      },
      {
        "text": "1109.)28 For purposes of determining whether the URLs",
        "paragraph_id": "para_1597"
      },
      {
        "text": "transmitted from the patient portal conveyed “contents” under",
        "paragraph_id": "para_1598"
      },
      {
        "text": "CIPA, it thus would not seem to matter whether the descriptive",
        "paragraph_id": "para_1599"
      },
      {
        "text": "term assigned to the chosen activity was more specific like",
        "paragraph_id": "para_1600"
      },
      {
        "text": "“radiology” or more generic like “download,” as any term arguably",
        "paragraph_id": "para_1601"
      },
      {
        "text": "would convey the “purport” of the patient’s communications with",
        "paragraph_id": "para_1602"
      },
      {
        "text": "Adventist—to message a provider, download a health record,",
        "paragraph_id": "para_1603"
      },
      {
        "text": "28 For Adventist’s public website, in contrast, the URL",
        "paragraph_id": "para_1604"
      },
      {
        "text": "arguably would need to include specific terms to disclose that the",
        "paragraph_id": "para_1605"
      },
      {
        "text": "patient was exchanging health-care-related communications with",
        "paragraph_id": "para_1606"
      },
      {
        "text": "Adventist and not simply browsing the website. For the patient",
        "paragraph_id": "para_1607"
      },
      {
        "text": "portal subclass, however, the information Adventist allegedly",
        "paragraph_id": "para_1608"
      },
      {
        "text": "transmitted did not show the patient simply navigated to the",
        "paragraph_id": "para_1609"
      },
      {
        "text": "patient portal login page, but that the patient actually had logged",
        "paragraph_id": "para_1610"
      },
      {
        "text": "into the portal and took a specific action. (Compare, e.g., Zynga,",
        "paragraph_id": "para_1611"
      },
      {
        "text": "supra, 750 F.3d at pp. 1108–1109 [address of website visited",
        "paragraph_id": "para_1612"
      },
      {
        "text": "was not the “contents of a communication”] with Google RTB,",
        "paragraph_id": "para_1613"
      },
      {
        "text": "supra, 606 F.Supp.3d at p. 949 [finding alleged transmission of",
        "paragraph_id": "para_1614"
      },
      {
        "text": "“ ‘content categories’ ” of website, categories that describe current",
        "paragraph_id": "para_1615"
      },
      {
        "text": "section of the website, and other information, all disclosed",
        "paragraph_id": "para_1616"
      },
      {
        "text": "“content”].) Again, the court agreed that patients who logged",
        "paragraph_id": "para_1617"
      },
      {
        "text": "into the patient portal only would be engaging in activities",
        "paragraph_id": "para_1618"
      },
      {
        "text": "related to their health care with Adventist.",
        "paragraph_id": "para_1619"
      },
      {
        "text": "54",
        "paragraph_id": "para_1620"
      },
      {
        "text": "view a test result, etc.29 (See 18 U.S.C.§ 2510(8).) Whether",
        "paragraph_id": "para_1621"
      },
      {
        "text": "plaintiffs successfully can establish those URLs—despite having",
        "paragraph_id": "para_1622"
      },
      {
        "text": "generic descriptive terms—satisfy CIPA’s contents element is",
        "paragraph_id": "para_1623"
      },
      {
        "text": "a merits question, however. (See Brinker, supra, 53 Cal.4th at",
        "paragraph_id": "para_1624"
      },
      {
        "text": "p. 1023 [certification question does not ask whether action is",
        "paragraph_id": "para_1625"
      },
      {
        "text": "legally or factually meritorious].)",
        "paragraph_id": "para_1626"
      },
      {
        "text": "In any event, plaintiffs argue—as they did below—that",
        "paragraph_id": "para_1627"
      },
      {
        "text": "the baseline information the tracking technologies universally",
        "paragraph_id": "para_1628"
      },
      {
        "text": "transmitted when a patient logged into the patient portal is",
        "paragraph_id": "para_1629"
      },
      {
        "text": "common evidence that will show Adventist transmitted the",
        "paragraph_id": "para_1630"
      },
      {
        "text": "“contents” of the subclass members’ communications in violation",
        "paragraph_id": "para_1631"
      },
      {
        "text": "of CIPA. They argue that “simply logging into the portal",
        "paragraph_id": "para_1632"
      },
      {
        "text": "disclosed the individual’s status as [Adventist’s] patient” and",
        "paragraph_id": "para_1633"
      },
      {
        "text": "thus transmitted content. (See Nienaber v. Overlake Hosp.",
        "paragraph_id": "para_1634"
      },
      {
        "text": "Medical Center (W.D.Wash. 2024) 733 F.Supp.3d 1072, 1081",
        "paragraph_id": "para_1635"
      },
      {
        "text": "(Nienaber) [“transmission of information submitted to a private",
        "paragraph_id": "para_1636"
      },
      {
        "text": "patient portal—such as a user clicking on the ‘log in’ button on",
        "paragraph_id": "para_1637"
      },
      {
        "text": "that webpage—reveals patient status”].) Plaintiffs presented",
        "paragraph_id": "para_1638"
      },
      {
        "text": "evidence through Shafiq’s report that, along with the URL path",
        "paragraph_id": "para_1639"
      },
      {
        "text": "showing the user logged into the patient portal, the tracking",
        "paragraph_id": "para_1640"
      },
      {
        "text": "technologies transmitted the “partially masked IP address,",
        "paragraph_id": "para_1641"
      },
      {
        "text": "29 Griffith v. TikTok, Inc. (C.D.Cal., Sept. 9, 2024, No. 5:23-cv-",
        "paragraph_id": "para_1642"
      },
      {
        "text": "00964-SB-E) 2024 WL 4308813, relied on by Adventist, is thus",
        "paragraph_id": "para_1643"
      },
      {
        "text": "distinguishable. The alleged CIPA violations there were based",
        "paragraph_id": "para_1644"
      },
      {
        "text": "on the TikTok pixel having transmitted the contents of purported",
        "paragraph_id": "para_1645"
      },
      {
        "text": "class members’ communications from various websites. (Id. at",
        "paragraph_id": "para_1646"
      },
      {
        "text": "*1–2, 4.) The viability of plaintiffs’ CIPA claims thus would",
        "paragraph_id": "para_1647"
      },
      {
        "text": "depend on the nature of each website, each plaintiff’s activity",
        "paragraph_id": "para_1648"
      },
      {
        "text": "on the various websites, and how each different website",
        "paragraph_id": "para_1649"
      },
      {
        "text": "implemented the software. (Id. at *4.)",
        "paragraph_id": "para_1650"
      },
      {
        "text": "55",
        "paragraph_id": "para_1651"
      },
      {
        "text": "user agent, and cookies containing identifiers,” which were",
        "paragraph_id": "para_1652"
      },
      {
        "text": "sufficient to enable Google to identify the individual patient.30",
        "paragraph_id": "para_1653"
      },
      {
        "text": "Plaintiffs assert that—“[a]t the merits stage”—their expert",
        "paragraph_id": "para_1654"
      },
      {
        "text": "will use Google Analytics logs—that were produced after class",
        "paragraph_id": "para_1655"
      },
      {
        "text": "certification briefing had completed—“to show that descriptive,",
        "paragraph_id": "para_1656"
      },
      {
        "text": "full-string URLs were disclosed to Google uniformly for all”",
        "paragraph_id": "para_1657"
      },
      {
        "text": "patient portal subclass members. (See footnote 17.)",
        "paragraph_id": "para_1658"
      },
      {
        "text": "The court found plaintiffs “did not submit evidence that",
        "paragraph_id": "para_1659"
      },
      {
        "text": "merely logging into the patient portal transmits information",
        "paragraph_id": "para_1660"
      },
      {
        "text": "in violation of CIPA or CMIA.” This was a premature",
        "paragraph_id": "para_1661"
      },
      {
        "text": "determination of the merits of plaintiffs’ theory of proof, at least",
        "paragraph_id": "para_1662"
      },
      {
        "text": "for the CIPA claim. (Sav-On, supra, 34 Cal.4th at p. 327; Linder,",
        "paragraph_id": "para_1663"
      },
      {
        "text": "supra, 23 Cal.4th at pp. 439–440.) Sharing a URL path along",
        "paragraph_id": "para_1664"
      },
      {
        "text": "with patient identifiers that indicated a patient had logged into",
        "paragraph_id": "para_1665"
      },
      {
        "text": "the Adventist patient portal arguably transmitted the “contents”",
        "paragraph_id": "para_1666"
      },
      {
        "text": "of the patient’s communication. Arguably, the “purport” of—or",
        "paragraph_id": "para_1667"
      },
      {
        "text": "the “intended message conveyed by”—entering login credentials",
        "paragraph_id": "para_1668"
      },
      {
        "text": "on the patient portal page and hitting the “login” button is to tell",
        "paragraph_id": "para_1669"
      },
      {
        "text": "Adventist the user is a verified patient who wants to log into his",
        "paragraph_id": "para_1670"
      },
      {
        "text": "or her personal patient portal. (See Meta Pixel, supra, 647",
        "paragraph_id": "para_1671"
      },
      {
        "text": "F.Supp.3d at p. 795 [construing “log-in buttons” to patient portal",
        "paragraph_id": "para_1672"
      },
      {
        "text": "as “ ‘contents’ ”].) Because plaintiffs presented evidence showing",
        "paragraph_id": "para_1673"
      },
      {
        "text": "the tracking technologies transmitted the same baseline",
        "paragraph_id": "para_1674"
      },
      {
        "text": "information discussed above for all subclass members, we",
        "paragraph_id": "para_1675"
      },
      {
        "text": "conclude they met their burden to show the contents element of",
        "paragraph_id": "para_1676"
      },
      {
        "text": "their CIPA claim was subject to common proof. (See Downey,",
        "paragraph_id": "para_1677"
      },
      {
        "text": "30 Again, the court did not find plaintiffs failed to show",
        "paragraph_id": "para_1678"
      },
      {
        "text": "common evidence was available to determine whether the",
        "paragraph_id": "para_1679"
      },
      {
        "text": "information transmitted could enable Google to identify",
        "paragraph_id": "para_1680"
      },
      {
        "text": "the individual. (See footnote 18.)",
        "paragraph_id": "para_1681"
      },
      {
        "text": "56",
        "paragraph_id": "para_1682"
      },
      {
        "text": "supra, 44 Cal.App.5th at p. 1113.) As this was the only element",
        "paragraph_id": "para_1683"
      },
      {
        "text": "the court discussed in its predominance analysis of the CIPA",
        "paragraph_id": "para_1684"
      },
      {
        "text": "cause of action for the patient portal subclass, the denial of class",
        "paragraph_id": "para_1685"
      },
      {
        "text": "certification on this ground is unsupported. (See Leeds, supra,",
        "paragraph_id": "para_1686"
      },
      {
        "text": "115 Cal.App.5th at pp. 545–546; Knapp, supra, 195 Cal.App.4th",
        "paragraph_id": "para_1687"
      },
      {
        "text": "at p. 939.)",
        "paragraph_id": "para_1688"
      },
      {
        "text": "ii. Substantial evidence supported the court’s",
        "paragraph_id": "para_1689"
      },
      {
        "text": "finding that plaintiffs failed to show their",
        "paragraph_id": "para_1690"
      },
      {
        "text": "CMIA claim was subject to common proof",
        "paragraph_id": "para_1691"
      },
      {
        "text": "for the patient portal subclass",
        "paragraph_id": "para_1692"
      },
      {
        "text": "We cannot say the same for plaintiffs’ CMIA claim. The",
        "paragraph_id": "para_1693"
      },
      {
        "text": "trial court found plaintiffs failed to show common proof could",
        "paragraph_id": "para_1694"
      },
      {
        "text": "establish whether the URLs transmitted from the patient portal",
        "paragraph_id": "para_1695"
      },
      {
        "text": "disclosed plaintiffs’ medical information under CMIA based on",
        "paragraph_id": "para_1696"
      },
      {
        "text": "essentially the same reasons as its analysis of plaintiffs’ evidence",
        "paragraph_id": "para_1697"
      },
      {
        "text": "of “contents” under CIPA. Plaintiffs argue that, because the",
        "paragraph_id": "para_1698"
      },
      {
        "text": "patient portal was “dedicated solely to communications regarding",
        "paragraph_id": "para_1699"
      },
      {
        "text": "patients’ medical treatment,” whether the URLs transmitted",
        "paragraph_id": "para_1700"
      },
      {
        "text": "from the patient portal disclosed patients’ medical information",
        "paragraph_id": "para_1701"
      },
      {
        "text": "is a common question. They contend the differences in the",
        "paragraph_id": "para_1702"
      },
      {
        "text": "specificity of the URLs’ descriptive terms thus would not require",
        "paragraph_id": "para_1703"
      },
      {
        "text": "examination of each individual URL because all the descriptive",
        "paragraph_id": "para_1704"
      },
      {
        "text": "terms—even the most generic ones—arguably would “regard,",
        "paragraph_id": "para_1705"
      },
      {
        "text": "concern, and relate to the medical treatments that the patients",
        "paragraph_id": "para_1706"
      },
      {
        "text": "have received or plan to receive from [Adventist].”",
        "paragraph_id": "para_1707"
      },
      {
        "text": "Although patients engaged only in health-related activities",
        "paragraph_id": "para_1708"
      },
      {
        "text": "within the patient portal, we cannot conclude the variation",
        "paragraph_id": "para_1709"
      },
      {
        "text": "in the descriptive URLs would not raise individual issues for",
        "paragraph_id": "para_1710"
      },
      {
        "text": "the “medical information” element of CMIA, as we did for the",
        "paragraph_id": "para_1711"
      },
      {
        "text": "“contents” element of CIPA. While more generic descriptive",
        "paragraph_id": "para_1712"
      },
      {
        "text": "57",
        "paragraph_id": "para_1713"
      },
      {
        "text": "terms still indicated the choice the patient made within",
        "paragraph_id": "para_1714"
      },
      {
        "text": "the portal—and thus, whether a patient’s choice of activity",
        "paragraph_id": "para_1715"
      },
      {
        "text": "constituted “contents” could be answered with common evidence",
        "paragraph_id": "para_1716"
      },
      {
        "text": "—we agree with the trial court that those same descriptive terms",
        "paragraph_id": "para_1717"
      },
      {
        "text": "did not uniformly convey “medical information.”",
        "paragraph_id": "para_1718"
      },
      {
        "text": "For purposes of showing Adventist transmitted “medical",
        "paragraph_id": "para_1719"
      },
      {
        "text": "information” under CMIA, the variations in the descriptive terms",
        "paragraph_id": "para_1720"
      },
      {
        "text": "used to describe patients’ activities within the portal thus raised",
        "paragraph_id": "para_1721"
      },
      {
        "text": "individual issues. As the trial court found, a URL revealing that",
        "paragraph_id": "para_1722"
      },
      {
        "text": "a patient downloaded a “radiology” report may have constituted",
        "paragraph_id": "para_1723"
      },
      {
        "text": "the disclosure of medical information—that a patient underwent",
        "paragraph_id": "para_1724"
      },
      {
        "text": "an imaging test or procedure arguably discloses information",
        "paragraph_id": "para_1725"
      },
      {
        "text": "“regarding” the patient’s medical history, condition, or treatment.",
        "paragraph_id": "para_1726"
      },
      {
        "text": "But a URL revealing that a patient “download[ed]” an",
        "paragraph_id": "para_1727"
      },
      {
        "text": "unspecified document, viewed something in the patient’s health",
        "paragraph_id": "para_1728"
      },
      {
        "text": "record, or generally made an appointment or sent a message—",
        "paragraph_id": "para_1729"
      },
      {
        "text": "without more—would not seem to convey information regarding",
        "paragraph_id": "para_1730"
      },
      {
        "text": "the patient’s medical history, mental or physical condition, or",
        "paragraph_id": "para_1731"
      },
      {
        "text": "treatment.31 (See Eisenhower, supra, 226 Cal.App.4th at p. 435",
        "paragraph_id": "para_1732"
      },
      {
        "text": "31 This is in contrast to Frasco v. Flo Health, Inc. (N.D.Cal.",
        "paragraph_id": "para_1733"
      },
      {
        "text": "2025) 349 F.R.D. 557, on which plaintiffs rely. There, a court",
        "paragraph_id": "para_1734"
      },
      {
        "text": "certified a class of users of a menstruation and ovulation tracker",
        "paragraph_id": "para_1735"
      },
      {
        "text": "app whose personal information about menstruation, ovulation,",
        "paragraph_id": "para_1736"
      },
      {
        "text": "pregnancy goals, and the like, allegedly was shared with Google",
        "paragraph_id": "para_1737"
      },
      {
        "text": "and Meta. (Id. at p. 569.) The descriptive terms of the custom",
        "paragraph_id": "para_1738"
      },
      {
        "text": "events transmitted there, however, all revealed a user’s personal",
        "paragraph_id": "para_1739"
      },
      {
        "text": "health information, such as “PREGNANCY_WEEK_CHOSEN”",
        "paragraph_id": "para_1740"
      },
      {
        "text": "or entries relating to a user’s goals—such as “ ‘Track my cycle,’ ”",
        "paragraph_id": "para_1741"
      },
      {
        "text": "“ ‘Get Pregnant,’ ” or “ ‘Track pregnancy’ ”—that all new users",
        "paragraph_id": "para_1742"
      },
      {
        "text": "were required to input. (Id. at pp. 572–573.) The naming",
        "paragraph_id": "para_1743"
      },
      {
        "text": "conventions of the events within the patient portal here",
        "paragraph_id": "para_1744"
      },
      {
        "text": "58",
        "paragraph_id": "para_1745"
      },
      {
        "text": "[rejecting plaintiffs’ interpretation of CMIA that would mean",
        "paragraph_id": "para_1746"
      },
      {
        "text": "“release by a health care provider of personal identification would",
        "paragraph_id": "para_1747"
      },
      {
        "text": "be sufficient whether or not there was a release of substantive",
        "paragraph_id": "para_1748"
      },
      {
        "text": "information regarding that person’s medical condition, history,",
        "paragraph_id": "para_1749"
      },
      {
        "text": "or treatment” (italics added)]; cf., e.g., Doe v. Regents of",
        "paragraph_id": "para_1750"
      },
      {
        "text": "University of California (N.D.Cal. 2023) 672 F.Supp.3d 813,",
        "paragraph_id": "para_1751"
      },
      {
        "text": "818–819 [denying motion to dismiss CMIA claim where plaintiff",
        "paragraph_id": "para_1752"
      },
      {
        "text": "alleged she entered “information relating to her heart issues",
        "paragraph_id": "para_1753"
      },
      {
        "text": "and high blood pressure” in her patient portal that defendant",
        "paragraph_id": "para_1754"
      },
      {
        "text": "disclosed to Meta and that she began receiving advertisements",
        "paragraph_id": "para_1755"
      },
      {
        "text": "on Facebook for high blood pressure medication].)",
        "paragraph_id": "para_1756"
      },
      {
        "text": "While we agree that whether or not the descriptive URLs",
        "paragraph_id": "para_1757"
      },
      {
        "text": "disclosed medical information is a merits determination,",
        "paragraph_id": "para_1758"
      },
      {
        "text": "plaintiffs did not demonstrate that merits determination",
        "paragraph_id": "para_1759"
      },
      {
        "text": "is subject to common proof. Moreover, that the baseline",
        "paragraph_id": "para_1760"
      },
      {
        "text": "information transmitted when patients logged into the patient",
        "paragraph_id": "para_1761"
      },
      {
        "text": "portal arguably revealed subclass members’ patient status",
        "paragraph_id": "para_1762"
      },
      {
        "text": "does not also translate into class-wide evidence to prove their",
        "paragraph_id": "para_1763"
      },
      {
        "text": "medical information was disclosed. Plaintiffs correctly note",
        "paragraph_id": "para_1764"
      },
      {
        "text": "patient status is PHI under HIPAA.32 (Meta Pixel, supra, 647",
        "paragraph_id": "para_1765"
      },
      {
        "text": "F.Supp.3d at p. 793; Nienaber, supra, 733 F.Supp.3d at p. 1081.)",
        "paragraph_id": "para_1766"
      },
      {
        "text": "Patient status is not “medical information” protected under",
        "paragraph_id": "para_1767"
      },
      {
        "text": "do not universally convey the same type of personal or",
        "paragraph_id": "para_1768"
      },
      {
        "text": "specific information.",
        "paragraph_id": "para_1769"
      },
      {
        "text": "32 The Health Insurance Portability and Accountability Act",
        "paragraph_id": "para_1770"
      },
      {
        "text": "(HIPAA) (42 U.S.C. § 1320 et seq.). See 45 C.F.R. § 160.103",
        "paragraph_id": "para_1771"
      },
      {
        "text": "(2026) (defining PHI under HIPAA as “individually identifiable",
        "paragraph_id": "para_1772"
      },
      {
        "text": "health information” that is “[t]ransmitted by electronic media”;",
        "paragraph_id": "para_1773"
      },
      {
        "text": "“[m]aintained in electronic media”; or “[t]ransmitted or",
        "paragraph_id": "para_1774"
      },
      {
        "text": "maintained in any other form or medium”).",
        "paragraph_id": "para_1775"
      },
      {
        "text": "59",
        "paragraph_id": "para_1776"
      },
      {
        "text": "CMIA, however. (Eisenhower, supra, 226 Cal.App.4th at pp. 435–",
        "paragraph_id": "para_1777"
      },
      {
        "text": "436 [fact individual “may have been a patient at a hospital at",
        "paragraph_id": "para_1778"
      },
      {
        "text": "some time” or was identified as “a patient is not in itself medical",
        "paragraph_id": "para_1779"
      },
      {
        "text": "information” under CMIA]; see also id. at pp. 436–437 [noting",
        "paragraph_id": "para_1780"
      },
      {
        "text": "“the definition of ‘individually identifiable health information’",
        "paragraph_id": "para_1781"
      },
      {
        "text": "under federal law differs markedly from that in the CMIA”].)",
        "paragraph_id": "para_1782"
      },
      {
        "text": "We also reject plaintiffs’ contention that the court did not",
        "paragraph_id": "para_1783"
      },
      {
        "text": "apply CMIA’s definition of medical information. In its discussion",
        "paragraph_id": "para_1784"
      },
      {
        "text": "of whether common issues predominated on the CMIA claim for",
        "paragraph_id": "para_1785"
      },
      {
        "text": "the general class, the court quoted the definition from the Civil",
        "paragraph_id": "para_1786"
      },
      {
        "text": "Code. The court noted Shafiq’s report’s references to “ ‘sensitive",
        "paragraph_id": "para_1787"
      },
      {
        "text": "information’ ” included more than “medical information” as",
        "paragraph_id": "para_1788"
      },
      {
        "text": "defined by CMIA. The court expressly found that, “[b]ecause",
        "paragraph_id": "para_1789"
      },
      {
        "text": "Shafiq’s analysis aggregate[d] different types of information—",
        "paragraph_id": "para_1790"
      },
      {
        "text": "such as URLs that may or may not convey medical information,",
        "paragraph_id": "para_1791"
      },
      {
        "text": "page titles that may or may not include descriptive or generic",
        "paragraph_id": "para_1792"
      },
      {
        "text": "search terms or no search terms, and page views and events",
        "paragraph_id": "para_1793"
      },
      {
        "text": "with generic names that may not convey medical information—",
        "paragraph_id": "para_1794"
      },
      {
        "text": "into the category of ‘sensitive information,’ his reports do not",
        "paragraph_id": "para_1795"
      },
      {
        "text": "support Plaintiffs’ conclusion of a common question concerning",
        "paragraph_id": "para_1796"
      },
      {
        "text": "whether the transmissions violate CMIA.” The court had no need",
        "paragraph_id": "para_1797"
      },
      {
        "text": "to repeat CMIA’s definitions or the above findings when it",
        "paragraph_id": "para_1798"
      },
      {
        "text": "analyzed the descriptive terms included in the URLs transmitted",
        "paragraph_id": "para_1799"
      },
      {
        "text": "from the patient portal and concluded those terms did not",
        "paragraph_id": "para_1800"
      },
      {
        "text": "universally constitute “ ‘medical information’ under CMIA.”",
        "paragraph_id": "para_1801"
      },
      {
        "text": "Accordingly, we conclude substantial evidence supported the",
        "paragraph_id": "para_1802"
      },
      {
        "text": "trial court’s reasoning that plaintiffs failed to demonstrate",
        "paragraph_id": "para_1803"
      },
      {
        "text": "common proof was available to determine whether Adventist",
        "paragraph_id": "para_1804"
      },
      {
        "text": "disclosed the subclass members’ “medical information.”",
        "paragraph_id": "para_1805"
      },
      {
        "text": "60",
        "paragraph_id": "para_1806"
      },
      {
        "text": "4. The superiority and manageability of the subclasses",
        "paragraph_id": "para_1807"
      },
      {
        "text": "The court also denied plaintiffs’ motion for class",
        "paragraph_id": "para_1808"
      },
      {
        "text": "certification on superiority and manageability grounds. Courts",
        "paragraph_id": "para_1809"
      },
      {
        "text": "generally consider four factors in determining if a class action",
        "paragraph_id": "para_1810"
      },
      {
        "text": "would be superior to individual suits: (1) the interest of each",
        "paragraph_id": "para_1811"
      },
      {
        "text": "purported class member in personally controlling his or her",
        "paragraph_id": "para_1812"
      },
      {
        "text": "own case; (2) any difficulties “ ‘likely to be encountered in",
        "paragraph_id": "para_1813"
      },
      {
        "text": "managing a class action’ ”; (3) the “ ‘nature and extent of any",
        "paragraph_id": "para_1814"
      },
      {
        "text": "litigation by individual class members already in progress",
        "paragraph_id": "para_1815"
      },
      {
        "text": "involving the same controversy’ ”; and (4) the “ ‘desirability of",
        "paragraph_id": "para_1816"
      },
      {
        "text": "consolidating all claims in a single action before a single court.’ ”",
        "paragraph_id": "para_1817"
      },
      {
        "text": "(Basurco v. 21st Century Ins. Co. (2003) 108 Cal.App.4th 110,",
        "paragraph_id": "para_1818"
      },
      {
        "text": "121.) “In certifying a class action, the court must also conclude",
        "paragraph_id": "para_1819"
      },
      {
        "text": "that litigation of individual issues, including those arising from",
        "paragraph_id": "para_1820"
      },
      {
        "text": "affirmative defenses, can be managed fairly and efficiently.”",
        "paragraph_id": "para_1821"
      },
      {
        "text": "(Duran, supra, 59 Cal.4th at pp. 28–29; id. at pp. 32–33 [trial",
        "paragraph_id": "para_1822"
      },
      {
        "text": "court failed to manage individual issues raised by defendant’s",
        "paragraph_id": "para_1823"
      },
      {
        "text": "affirmative defense properly].)",
        "paragraph_id": "para_1824"
      },
      {
        "text": "The court found plaintiffs did not show the superiority",
        "paragraph_id": "para_1825"
      },
      {
        "text": "of a class action because they (1) cited “no evidence” in support",
        "paragraph_id": "para_1826"
      },
      {
        "text": "of their assertion that “few class members have the time and",
        "paragraph_id": "para_1827"
      },
      {
        "text": "resources to pursue their claims on an individual basis” and",
        "paragraph_id": "para_1828"
      },
      {
        "text": "(2) did not “state the value of the individual claims.”",
        "paragraph_id": "para_1829"
      },
      {
        "text": "In their reply, plaintiffs asserted they were seeking",
        "paragraph_id": "para_1830"
      },
      {
        "text": "statutory damages under CIPA and CMIA. At the hearing,",
        "paragraph_id": "para_1831"
      },
      {
        "text": "plaintiffs’ counsel clarified that the CIPA and CMIA claims",
        "paragraph_id": "para_1832"
      },
      {
        "text": "were worth $2,500 and $5,000 in statutory damages, respectively,",
        "paragraph_id": "para_1833"
      },
      {
        "text": "for each plaintiff. For plaintiffs’ other claims, counsel stated",
        "paragraph_id": "para_1834"
      },
      {
        "text": "their damages expert—in other tracking pixel cases—had",
        "paragraph_id": "para_1835"
      },
      {
        "text": "estimated the value of the disclosed information to be about",
        "paragraph_id": "para_1836"
      },
      {
        "text": "61",
        "paragraph_id": "para_1837"
      },
      {
        "text": "“$200 a class member.” Plaintiffs’ post-hearing trial plan also",
        "paragraph_id": "para_1838"
      },
      {
        "text": "stated that plaintiffs sought $5,000 in statutory damages under",
        "paragraph_id": "para_1839"
      },
      {
        "text": "CIPA (Pen. Code, § 637.2), $2,500 in statutory damages under",
        "paragraph_id": "para_1840"
      },
      {
        "text": "CMIA (Civ. Code, § 56.36), and estimated damages under the",
        "paragraph_id": "para_1841"
      },
      {
        "text": "UCL “to be in the range of $200.”",
        "paragraph_id": "para_1842"
      },
      {
        "text": "We aren’t sure what other evidence plaintiffs could have",
        "paragraph_id": "para_1843"
      },
      {
        "text": "presented to demonstrate few Adventist patients would have",
        "paragraph_id": "para_1844"
      },
      {
        "text": "“the time and resources to pursue their claims on an individual",
        "paragraph_id": "para_1845"
      },
      {
        "text": "basis.” With at most $7,700 (plus attorney fees) at stake, it is",
        "paragraph_id": "para_1846"
      },
      {
        "text": "hard to imagine how the average person could afford to pursue",
        "paragraph_id": "para_1847"
      },
      {
        "text": "these claims individually. For example, the cost to hire expert",
        "paragraph_id": "para_1848"
      },
      {
        "text": "witnesses to develop the technical evidence necessary to prove",
        "paragraph_id": "para_1849"
      },
      {
        "text": "these claims alone would exceed any one individual’s expected",
        "paragraph_id": "para_1850"
      },
      {
        "text": "recovery.33 As a class action, however, the alleged damages",
        "paragraph_id": "para_1851"
      },
      {
        "text": "in the aggregate would consist of millions of dollars.",
        "paragraph_id": "para_1852"
      },
      {
        "text": "“Generally, a class suit is appropriate ‘when numerous",
        "paragraph_id": "para_1853"
      },
      {
        "text": "parties suffer injury of insufficient size to warrant individual",
        "paragraph_id": "para_1854"
      },
      {
        "text": "action and when denial of class relief would result in unjust",
        "paragraph_id": "para_1855"
      },
      {
        "text": "advantage to the wrongdoer.’ ” (Linder, supra, 23 Cal.4th",
        "paragraph_id": "para_1856"
      },
      {
        "text": "at p. 435.) That is the case here. Absent a class action, each",
        "paragraph_id": "para_1857"
      },
      {
        "text": "individual proposed class member—whether the HRA form or",
        "paragraph_id": "para_1858"
      },
      {
        "text": "patient portal subclass—effectively would be unable to seek",
        "paragraph_id": "para_1859"
      },
      {
        "text": "redress for Adventist’s alleged privacy violations. As plaintiffs",
        "paragraph_id": "para_1860"
      },
      {
        "text": "argued, a class action is “not only the best, but realistically the",
        "paragraph_id": "para_1861"
      },
      {
        "text": "only, way to compensate Class members and hold Adventist",
        "paragraph_id": "para_1862"
      },
      {
        "text": "accountable for” its alleged disclosures of its patients’ information",
        "paragraph_id": "para_1863"
      },
      {
        "text": "to Meta and Google. Moreover, given the cost of litigation would",
        "paragraph_id": "para_1864"
      },
      {
        "text": "33 Shafiq was paid $500 per hour, and Golbeck was paid",
        "paragraph_id": "para_1865"
      },
      {
        "text": "$550 per hour.",
        "paragraph_id": "para_1866"
      },
      {
        "text": "62",
        "paragraph_id": "para_1867"
      },
      {
        "text": "far exceed any one individual’s recovery, it is unlikely individual",
        "paragraph_id": "para_1868"
      },
      {
        "text": "class members would have an interest in controlling their own",
        "paragraph_id": "para_1869"
      },
      {
        "text": "cases. Nor does Adventist contend any of its patients has ongoing",
        "paragraph_id": "para_1870"
      },
      {
        "text": "litigation against it involving these same claims. Finally, given",
        "paragraph_id": "para_1871"
      },
      {
        "text": "the common issues we have discussed, we agree with plaintiffs",
        "paragraph_id": "para_1872"
      },
      {
        "text": "that “it would be grossly inefficient for the courts to hear",
        "paragraph_id": "para_1873"
      },
      {
        "text": "the same liability facts in a deluge of individual actions.”",
        "paragraph_id": "para_1874"
      },
      {
        "text": "Accordingly, we conclude plaintiffs sufficiently demonstrated",
        "paragraph_id": "para_1875"
      },
      {
        "text": "the superiority of class action treatment for the HRA form",
        "paragraph_id": "para_1876"
      },
      {
        "text": "and patient portal subclasses.",
        "paragraph_id": "para_1877"
      },
      {
        "text": "As for the manageability question, the court primarily",
        "paragraph_id": "para_1878"
      },
      {
        "text": "was looking at that issue through the lens of the general class.",
        "paragraph_id": "para_1879"
      },
      {
        "text": "As to the two relevant subclasses, the court found plaintiffs failed",
        "paragraph_id": "para_1880"
      },
      {
        "text": "to “address” the manageability of the individual questions that",
        "paragraph_id": "para_1881"
      },
      {
        "text": "we have concluded plaintiffs established can be determined",
        "paragraph_id": "para_1882"
      },
      {
        "text": "through common proof. For the HRA form subclass, the court",
        "paragraph_id": "para_1883"
      },
      {
        "text": "stated that plaintiffs did not discuss, for example, “whether there",
        "paragraph_id": "para_1884"
      },
      {
        "text": "is a way to identify the URLs containing links to HRAs that third",
        "paragraph_id": "para_1885"
      },
      {
        "text": "parties actually clicked on to view the HRAs.” As we discussed,",
        "paragraph_id": "para_1886"
      },
      {
        "text": "plaintiffs presented a common theory of proof that would not",
        "paragraph_id": "para_1887"
      },
      {
        "text": "require a showing of “ ‘actual clicks’ ” on individual URLs to",
        "paragraph_id": "para_1888"
      },
      {
        "text": "establish Google and/or Meta viewed or accessed the linked",
        "paragraph_id": "para_1889"
      },
      {
        "text": "HRA reports under the CMIA. The issue the court identified",
        "paragraph_id": "para_1890"
      },
      {
        "text": "thus would not create a manageability problem. (Leeds, supra,",
        "paragraph_id": "para_1891"
      },
      {
        "text": "115 Cal.App.5th at pp. 545–546 [appellate court considers only",
        "paragraph_id": "para_1892"
      },
      {
        "text": "stated reason].)",
        "paragraph_id": "para_1893"
      },
      {
        "text": "As for the patient portal subclass, the court stated",
        "paragraph_id": "para_1894"
      },
      {
        "text": "plaintiffs, for example, did not discuss “whether some kind of",
        "paragraph_id": "para_1895"
      },
      {
        "text": "statistical analysis could show the percentage of patients’ activity",
        "paragraph_id": "para_1896"
      },
      {
        "text": "in the patient portal that resulted in URLs containing medical",
        "paragraph_id": "para_1897"
      },
      {
        "text": "63",
        "paragraph_id": "para_1898"
      },
      {
        "text": "information being sent to third parties.” The court also noted—",
        "paragraph_id": "para_1899"
      },
      {
        "text": "again, as an example—plaintiffs’ trial plan stated common issues",
        "paragraph_id": "para_1900"
      },
      {
        "text": "which included “ ‘Whether the baseline information transmitted",
        "paragraph_id": "para_1901"
      },
      {
        "text": "by Google Analytics and the Facebook Meta Pixel constitutes",
        "paragraph_id": "para_1902"
      },
      {
        "text": "“contents” under CIPA,’ and ‘Whether the baseline data",
        "paragraph_id": "para_1903"
      },
      {
        "text": "constitutes “medical information” under [CMIA].’ ” The court",
        "paragraph_id": "para_1904"
      },
      {
        "text": "noted, however, that—as it had found—“some of that ‘baseline",
        "paragraph_id": "para_1905"
      },
      {
        "text": "data’ (such as page view information and URLs) may or may not",
        "paragraph_id": "para_1906"
      },
      {
        "text": "be ‘contents’ or ‘medical information’ depending on whether the",
        "paragraph_id": "para_1907"
      },
      {
        "text": "data reveals patient’s search terms, the descriptive quality of",
        "paragraph_id": "para_1908"
      },
      {
        "text": "the search terms, and other characteristics. The trial plan does",
        "paragraph_id": "para_1909"
      },
      {
        "text": "not explain how analyzing the different types of ‘baseline data’",
        "paragraph_id": "para_1910"
      },
      {
        "text": ". . . can be handled to determine which class members had their",
        "paragraph_id": "para_1911"
      },
      {
        "text": "‘contents’ or ‘medical information’ transmitted to a third party.”",
        "paragraph_id": "para_1912"
      },
      {
        "text": "As we have discussed, although this may have been",
        "paragraph_id": "para_1913"
      },
      {
        "text": "an issue for the general class, it is not one for the patient portal",
        "paragraph_id": "para_1914"
      },
      {
        "text": "subclass. Under plaintiffs’ theory of proof, the baseline data",
        "paragraph_id": "para_1915"
      },
      {
        "text": "transmitted when any patient logged into the patient portal",
        "paragraph_id": "para_1916"
      },
      {
        "text": "included the contents of the patient’s communication with",
        "paragraph_id": "para_1917"
      },
      {
        "text": "Adventist. As we explained, that some URLs conveyed more",
        "paragraph_id": "para_1918"
      },
      {
        "text": "specific terms to describe patients’ activities within the patient",
        "paragraph_id": "para_1919"
      },
      {
        "text": "portal would not affect plaintiffs’ contention that all patients",
        "paragraph_id": "para_1920"
      },
      {
        "text": "who logged into the patient portal had the contents of their",
        "paragraph_id": "para_1921"
      },
      {
        "text": "communications transmitted to a third party. Arguably, then,",
        "paragraph_id": "para_1922"
      },
      {
        "text": "no statistical analysis would be necessary to analyze the terms",
        "paragraph_id": "para_1923"
      },
      {
        "text": "in the URLs, as under plaintiffs’ theory, they did not raise an",
        "paragraph_id": "para_1924"
      },
      {
        "text": "issue requiring individual proof. And as plaintiffs failed to",
        "paragraph_id": "para_1925"
      },
      {
        "text": "demonstrate their CMIA claim was subject to common proof",
        "paragraph_id": "para_1926"
      },
      {
        "text": "for the patient portal subclass, we need not determine whether",
        "paragraph_id": "para_1927"
      },
      {
        "text": "64",
        "paragraph_id": "para_1928"
      },
      {
        "text": "plaintiffs could manage individualized issues relating to that",
        "paragraph_id": "para_1929"
      },
      {
        "text": "claim for that subclass.",
        "paragraph_id": "para_1930"
      },
      {
        "text": "In sum, we conclude the record does not support finding",
        "paragraph_id": "para_1931"
      },
      {
        "text": "the HRA form subclass, and the patient portal subclass for",
        "paragraph_id": "para_1932"
      },
      {
        "text": "plaintiffs’ CIPA claim, raised individual issues that cannot be",
        "paragraph_id": "para_1933"
      },
      {
        "text": "managed.",
        "paragraph_id": "para_1934"
      },
      {
        "text": "5. The trial court did not abuse its discretion in finding",
        "paragraph_id": "para_1935"
      },
      {
        "text": "plaintiffs forfeited certification of their CIPA –",
        "paragraph_id": "para_1936"
      },
      {
        "text": "recording claim",
        "paragraph_id": "para_1937"
      },
      {
        "text": "As the trial court noted, plaintiffs’ CIPA claim in their",
        "paragraph_id": "para_1938"
      },
      {
        "text": "TAC alleged Adventist violated section 632(a) when it “used a",
        "paragraph_id": "para_1939"
      },
      {
        "text": "recording device to record confidential communications . . . and",
        "paragraph_id": "para_1940"
      },
      {
        "text": "then transmitted such information to others, such as Facebook.”",
        "paragraph_id": "para_1941"
      },
      {
        "text": "The court however, found plaintiffs had “dropped any attempt to",
        "paragraph_id": "para_1942"
      },
      {
        "text": "certify a class for alleged violations of section 632.” In so finding,",
        "paragraph_id": "para_1943"
      },
      {
        "text": "the court noted “[n]either [p]laintiffs’ motion nor reply brief",
        "paragraph_id": "para_1944"
      },
      {
        "text": "mentions section 632.” The court acknowledged plaintiffs’ trial",
        "paragraph_id": "para_1945"
      },
      {
        "text": "plan—filed after the hearing by permission—“list[ed] section 632",
        "paragraph_id": "para_1946"
      },
      {
        "text": "issues to be decided in the trial,” but found “asserting those",
        "paragraph_id": "para_1947"
      },
      {
        "text": "issues after the hearing without briefing or citations to the",
        "paragraph_id": "para_1948"
      },
      {
        "text": "evidence is too late.” We agree.",
        "paragraph_id": "para_1949"
      },
      {
        "text": "Plaintiffs contend the court erred. They assert their",
        "paragraph_id": "para_1950"
      },
      {
        "text": "motion’s arguments about their CIPA claims “encompass[ed] both",
        "paragraph_id": "para_1951"
      },
      {
        "text": "[s]ections 631 and 632.” They note a key distinction between",
        "paragraph_id": "para_1952"
      },
      {
        "text": "sections 631 and 632 is that section 632 “requires a showing that",
        "paragraph_id": "para_1953"
      },
      {
        "text": "the communications were ‘confidential.’ ” They argue their list",
        "paragraph_id": "para_1954"
      },
      {
        "text": "of common issues for their CIPA claim included “[w]hether Class",
        "paragraph_id": "para_1955"
      },
      {
        "text": "members had a ‘reasonable expectation of privacy.’ ” They argue",
        "paragraph_id": "para_1956"
      },
      {
        "text": "that issue was relevant only to their section 632 claim and they",
        "paragraph_id": "para_1957"
      },
      {
        "text": "discussed it substantively, citing to discussion in Meta Pixel that",
        "paragraph_id": "para_1958"
      },
      {
        "text": "65",
        "paragraph_id": "para_1959"
      },
      {
        "text": "related to a section 632 CIPA claim. (Citing Meta Pixel, supra,",
        "paragraph_id": "para_1960"
      },
      {
        "text": "647 F.Supp.3d at p. 799.) Plaintiffs also contend Adventist",
        "paragraph_id": "para_1961"
      },
      {
        "text": "“understood” plaintiffs had addressed section 632 in their motion",
        "paragraph_id": "para_1962"
      },
      {
        "text": "because Adventist cited a case for the proposition that “ ‘[i]n",
        "paragraph_id": "para_1963"
      },
      {
        "text": "a case involving alleged violations of CIPA, “individualized",
        "paragraph_id": "para_1964"
      },
      {
        "text": "inquiries into the reasonableness of each class member’s",
        "paragraph_id": "para_1965"
      },
      {
        "text": "individual expectation of confidentiality . . . [we]re unavoidable”",
        "paragraph_id": "para_1966"
      },
      {
        "text": "and, therefore such claims were “not capable of being resolved",
        "paragraph_id": "para_1967"
      },
      {
        "text": "on a class-wide basis.” ’ ” (Citing Adventist’s citation of Mendell",
        "paragraph_id": "para_1968"
      },
      {
        "text": "v. Am. Med. Response, Inc. (S.D.Cal., Mar. 23, 2021, No. 19-cv-",
        "paragraph_id": "para_1969"
      },
      {
        "text": "01277-BAS-KSC) 2021 WL 1102423, plaintiffs added italics.)",
        "paragraph_id": "para_1970"
      },
      {
        "text": "Plaintiffs bore the burden on their motion for class",
        "paragraph_id": "para_1971"
      },
      {
        "text": "certification. That burden included providing citation to the law",
        "paragraph_id": "para_1972"
      },
      {
        "text": "on the claims for which they were seeking certification and",
        "paragraph_id": "para_1973"
      },
      {
        "text": "substantive discussion of each of the elements. Plaintiffs never",
        "paragraph_id": "para_1974"
      },
      {
        "text": "mentioned section 632(a) in their moving or reply papers, as",
        "paragraph_id": "para_1975"
      },
      {
        "text": "the court found. Although they briefly mentioned the issue of",
        "paragraph_id": "para_1976"
      },
      {
        "text": "a “reasonable expectation of privacy” in their discussion of their",
        "paragraph_id": "para_1977"
      },
      {
        "text": "CIPA claim—for which they cited only section 631—plaintiffs",
        "paragraph_id": "para_1978"
      },
      {
        "text": "never set forth all of the elements they would be required to",
        "paragraph_id": "para_1979"
      },
      {
        "text": "prove under section 632(a). Nor do we find plaintiffs’ brief",
        "paragraph_id": "para_1980"
      },
      {
        "text": "mention of a “reasonable expectation of privacy” constituted a",
        "paragraph_id": "para_1981"
      },
      {
        "text": "substantive discussion of the issue. Moreover, Adventist cited",
        "paragraph_id": "para_1982"
      },
      {
        "text": "Mendell in discussing the issue of whether class members had",
        "paragraph_id": "para_1983"
      },
      {
        "text": "a reasonable expectation of privacy “for purposes of an invasion",
        "paragraph_id": "para_1984"
      },
      {
        "text": "of privacy claim,” not a section 632 claim. After all, plaintiffs",
        "paragraph_id": "para_1985"
      },
      {
        "text": "originally had pursued an invasion of privacy claim against",
        "paragraph_id": "para_1986"
      },
      {
        "text": "Adventist, alleged as the fifth cause of action in their TAC.",
        "paragraph_id": "para_1987"
      },
      {
        "text": "Finally, we do not find plaintiffs’ belated citation to",
        "paragraph_id": "para_1988"
      },
      {
        "text": "section 632 in their trial plan’s list of common questions—",
        "paragraph_id": "para_1989"
      },
      {
        "text": "66",
        "paragraph_id": "para_1990"
      },
      {
        "text": "or Adventist’s response to the trial plan—cures their failure",
        "paragraph_id": "para_1991"
      },
      {
        "text": "to cite and properly discuss section 632 in their moving and",
        "paragraph_id": "para_1992"
      },
      {
        "text": "reply papers.34 Accordingly, the trial court did not clearly abuse",
        "paragraph_id": "para_1993"
      },
      {
        "text": "its discretion in not considering plaintiffs’ section 632(a) claim",
        "paragraph_id": "para_1994"
      },
      {
        "text": "for class certification.",
        "paragraph_id": "para_1995"
      },
      {
        "text": "34 Adventist’s response to plaintiffs’ trial plan noted plaintiffs’",
        "paragraph_id": "para_1996"
      },
      {
        "text": "plan’s proposed common question—“ ‘Whether Class members’",
        "paragraph_id": "para_1997"
      },
      {
        "text": "communications with Adventist were confidential’ ”—was",
        "paragraph_id": "para_1998"
      },
      {
        "text": "“a specific element of a Section 632 CIPA claim.” Adventist",
        "paragraph_id": "para_1999"
      },
      {
        "text": "again cited to Mendell. We do not read Adventist’s response",
        "paragraph_id": "para_2000"
      },
      {
        "text": "to plaintiffs’ trial plan’s mention of an element of a section 632",
        "paragraph_id": "para_2001"
      },
      {
        "text": "CIPA claim as somehow agreeing that plaintiffs’ motion raised",
        "paragraph_id": "para_2002"
      },
      {
        "text": "the claim.",
        "paragraph_id": "para_2003"
      },
      {
        "text": "67",
        "paragraph_id": "para_2004"
      },
      {
        "text": "DISPOSITION",
        "paragraph_id": "para_2005"
      },
      {
        "text": "We affirm the court’s order finding plaintiffs forfeited their",
        "paragraph_id": "para_2006"
      },
      {
        "text": "section 632(a) claim and denying class certification of their CMIA",
        "paragraph_id": "para_2007"
      },
      {
        "text": "claims for the patient portal subclass. We reverse the court’s",
        "paragraph_id": "para_2008"
      },
      {
        "text": "order denying class certification for the HRA form subclass",
        "paragraph_id": "para_2009"
      },
      {
        "text": "and the surviving claims for the patient portal subclass and",
        "paragraph_id": "para_2010"
      },
      {
        "text": "remand the matter for further proceedings.",
        "paragraph_id": "para_2011"
      },
      {
        "text": "The parties are to bear their own costs on appeal.",
        "paragraph_id": "para_2012"
      },
      {
        "text": "EGERTON, Acting P. J.",
        "paragraph_id": "para_2013"
      },
      {
        "text": "We concur:",
        "paragraph_id": "para_2014"
      },
      {
        "text": "ADAMS, J.",
        "paragraph_id": "para_2015"
      },
      {
        "text": "HANASONO, J.",
        "paragraph_id": "para_2016"
      },
      {
        "text": "Filed 8/24/26",
        "paragraph_id": "para_2017"
      },
      {
        "text": "CERTIFIED FOR PUBLICATION",
        "paragraph_id": "para_2018"
      },
      {
        "text": "IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA",
        "paragraph_id": "para_2019"
      },
      {
        "text": "SECOND APPELLATE DISTRICT",
        "paragraph_id": "para_2020"
      },
      {
        "text": "DIVISION THREE",
        "paragraph_id": "para_2021"
      },
      {
        "text": "JAMES DOE et al.,",
        "paragraph_id": "para_2022"
      },
      {
        "text": "Plaintiffs and Appellants,",
        "paragraph_id": "para_2023"
      },
      {
        "text": "v.",
        "paragraph_id": "para_2024"
      },
      {
        "text": "ADVENTIST HEALTH SYSTEM/",
        "paragraph_id": "para_2025"
      },
      {
        "text": "WEST,",
        "paragraph_id": "para_2026"
      },
      {
        "text": "Defendant and Respondent.",
        "paragraph_id": "para_2027"
      },
      {
        "text": "B344951",
        "paragraph_id": "para_2028"
      },
      {
        "text": "Los Angeles County",
        "paragraph_id": "para_2029"
      },
      {
        "text": "Super. Ct. No. 22STCV36304",
        "paragraph_id": "para_2030"
      },
      {
        "text": "ORDER CERTIFYING",
        "paragraph_id": "para_2031"
      },
      {
        "text": "FOR PUBLICATION",
        "paragraph_id": "para_2032"
      },
      {
        "text": "[NO CHANGE IN",
        "paragraph_id": "para_2033"
      },
      {
        "text": "JUDGMENT]",
        "paragraph_id": "para_2034"
      },
      {
        "text": "THE COURT:",
        "paragraph_id": "para_2035"
      },
      {
        "text": "The opinion in the above-entitled matter, filed on July 24, 2026,",
        "paragraph_id": "para_2036"
      },
      {
        "text": "was not certified for publication in the Official Reports. For good cause,",
        "paragraph_id": "para_2037"
      },
      {
        "text": "it now appears that the opinion should be published in the Official Reports.",
        "paragraph_id": "para_2038"
      },
      {
        "text": "There is no change in the judgment.",
        "paragraph_id": "para_2039"
      },
      {
        "text": "________________________________________________________________________",
        "paragraph_id": "para_2040"
      },
      {
        "text": "EGERTON, J. ADAMS, P. J. HANASONO, J.",
        "paragraph_id": "para_2041"
      }
    ],
    "word_count": 17408,
    "cites": [
      "750 F.3d 1098"
    ],
    "cited_by": [],
    "sha256": "66a941774b573e10209dde2700112fbaff18b2b6766c28597751937066bd0eb9",
    "source_url": "https://www.courts.ca.gov/opinions/documents/B344951.PDF",
    "fetched_at": "2026-10-06T07:16:45.608+00:00",
    "canonical": "https://legal.exploreworldai.com/ai/judgments/us/calctapp-b344951-2026-08-24",
    "risk_graph": "https://legal.exploreworldai.com/api/public/v1/risk?id=us:calctapp-b344951-2026-08-24",
    "relations_graph": "https://legal.exploreworldai.com/api/public/v1/relations?id=us:calctapp-b344951-2026-08-24",
    "changes": "https://legal.exploreworldai.com/api/public/v1/us-praxis/changes",
    "agent": "https://legal.exploreworldai.com/api/public/v1/us-praxis/agent?id=us:calctapp-b344951-2026-08-24",
    "verification": {
      "stored_sha256": "66a941774b573e10209dde2700112fbaff18b2b6766c28597751937066bd0eb9",
      "recomputed_sha256": "66a941774b573e10209dde2700112fbaff18b2b6766c28597751937066bd0eb9",
      "intact": true,
      "checked_at": "2026-10-10T22:27:26.464Z"
    }
  },
  "hash": "sha256:ac66343aec122113692cfd0cb6d1d5500e03f1fdf0e9c947492b39413ce07d90",
  "version": "legal-2026-10-10",
  "expires": "2026-10-11T00:00:00.000Z",
  "dependency": {
    "index_version": "legal-2026-10-10+legal-2026-10-10+2026-10-10T17:32:53",
    "content_hash": "sha256:ac66343aec122113692cfd0cb6d1d5500e03f1fdf0e9c947492b39413ce07d90",
    "revalidate_after": "2026-10-10T23:27:26.607Z",
    "max_copy_age_seconds": 3600,
    "policy": "revalidate-required; attribution-preferred",
    "changelog": "https://legal.exploreworldai.com/api/public/v1/dependency",
    "verify": "https://legal.exploreworldai.com/api/public/v1/verify",
    "stale_copy_invalid": true
  },
  "canonical": "https://legal.exploreworldai.com/api/public/v1/judgment-text?id=us:calctapp-b344951-2026-08-24",
  "follow": [
    {
      "rel": "risk",
      "href": "https://legal.exploreworldai.com/api/public/v1/risk?id=us:calctapp-b344951-2026-08-24"
    },
    {
      "rel": "relations",
      "href": "https://legal.exploreworldai.com/api/public/v1/relations?id=us:calctapp-b344951-2026-08-24"
    },
    {
      "rel": "agent",
      "href": "https://legal.exploreworldai.com/api/public/v1/us-praxis/agent?id=us:calctapp-b344951-2026-08-24"
    },
    {
      "rel": "obligations",
      "href": "https://legal.exploreworldai.com/api/public/v1/obligation-chain"
    },
    {
      "rel": "changes",
      "href": "https://legal.exploreworldai.com/api/public/v1/whats-new?jurisdiction=us"
    }
  ],
  "disclaimer": "Source reference with official identifier. Not legal advice and not a compliance decision.",
  "content_notice": {
    "legal_advice": false,
    "nature": "Source register. Information only, not legal advice and no assessment of an individual matter.",
    "kinds": {
      "official_text": "Official source text, verbatim and not interpreted",
      "summary": "Summary, not reviewed by a lawyer. Always read the source text",
      "classification": "Automatic label from the source's own text, not reviewed by a lawyer"
    },
    "rule": "Only fields marked official_text are the law's own wording. Everything else points to it.",
    "report_error": "https://legal.exploreworldai.com/api/public/v1/corrections",
    "ai_act_declaration": "https://legal.exploreworldai.com/api/public/v1/ai-act-declaration"
  },
  "usageInfo": "https://legal.exploreworldai.com/citering",
  "access_class": "public",
  "access_view": "public"
}