{
  "attribution": {
    "source": "legal.exploreworldai.com",
    "canonical": "https://legal.exploreworldai.com/api/public/v1/relations",
    "cite_as": "NovaCopilot, legal.exploreworldai.com (https://legal.exploreworldai.com/api/public/v1/relations)",
    "license": "https://legal.exploreworldai.com/revision",
    "version": "legal-2026-10-02",
    "fingerprint": "ewai:se:d30b5b",
    "proof": "sha256:7ecefd6652d1f9fb3e7f915cd4e108eb67fb123088ba25f926555f7be61fd4ea",
    "jurisdiction": "se",
    "lang": "sv"
  },
  "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",
    "contact": "stig@valkiv.com"
  },
  "item": {
    "schema_version": "1.0.0",
    "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",
      "contact": "stig@valkiv.com"
    },
    "id": "act:koplagen",
    "kind": "act",
    "act": {
      "id": "koplagen",
      "slug": "koplagen",
      "sfs": "1990:931",
      "title": "Köplag",
      "short": "Köplagen",
      "in_force": "1991-01-01",
      "official_text": "https://www.riksdagen.se/sv/dokument-och-lagar/dokument/svensk-forfattningssamling/_sfs-1990-931/",
      "eu_act": null,
      "eu_relation": null
    },
    "decided_under": [
      {
        "id": "se:nja-2025-45",
        "identifier": "NJA 2025:45",
        "court": "HDO",
        "decided": "2025-06-24",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2025-45",
        "industries": []
      },
      {
        "id": "se:nja-2020-s-951",
        "identifier": "NJA 2020 s. 951",
        "court": "HDO",
        "decided": "2020-12-10",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2020-s-951",
        "industries": []
      },
      {
        "id": "se:nja-2020-s-470",
        "identifier": "NJA 2020 s. 470",
        "court": "HDO",
        "decided": "2020-04-17",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2020-s-470",
        "industries": []
      },
      {
        "id": "se:rh-2020-6",
        "identifier": "RH 2020:6",
        "court": "HVS",
        "decided": "2019-12-20",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:rh-2020-6",
        "industries": []
      },
      {
        "id": "se:nja-2019-s-807",
        "identifier": "NJA 2019 s. 807",
        "court": "HDO",
        "decided": "2019-10-29",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2019-s-807",
        "industries": []
      },
      {
        "id": "se:rh-2019-21",
        "identifier": "RH 2019:21",
        "court": "HSV",
        "decided": "2019-06-25",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:rh-2019-21",
        "industries": []
      },
      {
        "id": "se:nja-2019-s-445",
        "identifier": "NJA 2019 s. 445",
        "court": "HDO",
        "decided": "2019-06-04",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2019-s-445",
        "industries": []
      },
      {
        "id": "se:rh-2019-20",
        "identifier": "RH 2019:20",
        "court": "HSV",
        "decided": "2019-03-04",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:rh-2019-20",
        "industries": []
      },
      {
        "id": "se:nja-2017-s-203",
        "identifier": "NJA 2017 s. 203",
        "court": "HDO",
        "decided": "2017-03-30",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2017-s-203",
        "industries": []
      },
      {
        "id": "se:nja-2017-s-9",
        "identifier": "NJA 2017 s. 9",
        "court": "HDO",
        "decided": "2017-02-07",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2017-s-9",
        "industries": []
      },
      {
        "id": "se:nja-2016-s-1195",
        "identifier": "NJA 2016 s. 1195",
        "court": "HDO",
        "decided": "2016-12-29",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2016-s-1195",
        "industries": []
      },
      {
        "id": "se:nja-2016-s-799",
        "identifier": "NJA 2016 s. 799",
        "court": "HDO",
        "decided": "2016-10-04",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2016-s-799",
        "industries": []
      },
      {
        "id": "se:nja-2016-s-237",
        "identifier": "NJA 2016 s. 237",
        "court": "HDO",
        "decided": "2016-04-05",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2016-s-237",
        "industries": []
      },
      {
        "id": "se:nja-2013-s-1174",
        "identifier": "NJA 2013 s. 1174",
        "court": "HDO",
        "decided": "2013-12-23",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2013-s-1174",
        "industries": []
      },
      {
        "id": "se:nja-2013-s-271",
        "identifier": "NJA 2013 s. 271",
        "court": "HDO",
        "decided": "2013-04-17",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2013-s-271",
        "industries": []
      },
      {
        "id": "se:nja-2012-s-1021",
        "identifier": "NJA 2012 s. 1021",
        "court": "HDO",
        "decided": "2012-12-21",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2012-s-1021",
        "industries": []
      },
      {
        "id": "se:rh-2012-84",
        "identifier": "RH 2012:84",
        "court": "HSV",
        "decided": "2012-03-28",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:rh-2012-84",
        "industries": []
      },
      {
        "id": "se:nja-2010-s-709",
        "identifier": "NJA 2010 s. 709",
        "court": "HDO",
        "decided": "2010-12-29",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2010-s-709",
        "industries": []
      },
      {
        "id": "se:nja-2010-s-617",
        "identifier": "NJA 2010 s. 617",
        "court": "HDO",
        "decided": "2010-12-22",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2010-s-617",
        "industries": []
      },
      {
        "id": "se:nja-2010-s-154",
        "identifier": "NJA 2010 s. 154",
        "court": "HDO",
        "decided": "2010-03-16",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2010-s-154",
        "industries": []
      },
      {
        "id": "se:nja-2008-s-1158",
        "identifier": "NJA 2008 s. 1158",
        "court": "HDO",
        "decided": "2008-12-09",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2008-s-1158",
        "industries": []
      },
      {
        "id": "se:nja-2008-s-392",
        "identifier": "NJA 2008 s. 392",
        "court": "HDO",
        "decided": "2008-03-28",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2008-s-392",
        "industries": []
      },
      {
        "id": "se:nja-2007-s-709",
        "identifier": "NJA 2007 s. 709",
        "court": "HDO",
        "decided": "2007-10-23",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2007-s-709",
        "industries": []
      },
      {
        "id": "se:nja-2007-s-599",
        "identifier": "NJA 2007 s. 599",
        "court": "HDO",
        "decided": "2007-09-20",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2007-s-599",
        "industries": []
      },
      {
        "id": "se:nja-2007-s-86",
        "identifier": "NJA 2007 s. 86",
        "court": "HDO",
        "decided": "2007-02-20",
        "node": "https://legal.exploreworldai.com/api/public/v1/case-nodes/se:nja-2007-s-86",
        "industries": []
      }
    ],
    "overruled_cases": [],
    "related_acts": [
      {
        "id": "avtalslagen",
        "sfs": "1915:218",
        "title": "Lag om avtal och andra rättshandlingar på förmögenhetsrättens område",
        "short": "Avtalslagen",
        "shared_cases": 3,
        "law_graph": "https://legal.exploreworldai.com/api/public/v1/graph/law?act=avtalslagen"
      }
    ],
    "eu_compliance": [],
    "risk": null,
    "changes": {
      "cursor": "MjAyNi0wOS0xMH5zZX52aXNzZWxibGFzYXJsYWdlbg",
      "chain_hash": "b2e9562b24e7de637742b1660609c2d36eb107fbb6c5ca8041be4979b823290d",
      "feed": "https://legal.exploreworldai.com/api/public/v1/changes/cursor?after=MjAyNi0wOS0xMH5zZX52aXNzZWxibGFzYXJsYWdlbg",
      "verify": "https://legal.exploreworldai.com/api/public/v1/changes/verify?cursor=MjAyNi0wOS0xMH5zZX52aXNzZWxibGFzYXJsYWdlbg&chain_hash=b2e9562b24e7de637742b1660609c2d36eb107fbb6c5ca8041be4979b823290d"
    },
    "provenance": {
      "graph_hash": "2d73827fab157b9655e8b0334dc46cdeb24dd34ba3c80590752c3c61b011117b",
      "algorithm": "SHA-256 över id, kind och grafkanterna",
      "chain": "https://legal.exploreworldai.com/api/public/v1/changes/verify"
    },
    "citation": "Källa: NovaCopilot (ExploreWorld Legal), https://legal.exploreworldai.com/api/public/v1/relations?id=act%3Akoplagen",
    "permanent_url": "https://legal.exploreworldai.com/api/public/v1/relations?id=act%3Akoplagen"
  },
  "hash": "sha256:7ecefd6652d1f9fb3e7f915cd4e108eb67fb123088ba25f926555f7be61fd4ea",
  "version": "legal-2026-10-02",
  "expires": "2026-10-03T00:00:00.000Z",
  "dependency": {
    "index_version": "legal-2026-10-02+legal-2026-10-02+2026-10-02T06:26:05",
    "content_hash": "sha256:7ecefd6652d1f9fb3e7f915cd4e108eb67fb123088ba25f926555f7be61fd4ea",
    "revalidate_after": "2026-10-02T07:37:21.385Z",
    "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/relations",
  "disclaimer": "Källhänvisning med officiell identifierare. Ingen juridisk rådgivning och inget efterlevnadsbeslut.",
  "content_notice": {
    "legal_advice": false,
    "nature": "Källregister. Endast information, inte juridisk rådgivning och ingen bedömning av ett enskilt ärende.",
    "kinds": {
      "official_text": "Officiell källtext, ordagrann och ej tolkad",
      "summary": "Sammanfattning, ej juristgranskad. Läs alltid källtexten",
      "classification": "Automatisk märkning ur källans egen text, ej juristgranskad"
    },
    "rule": "Endast fält märkta official_text är lagens egen lydelse. Allt annat pekar på den.",
    "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"
}