Court of Justice of the European Union · EU
C-40/17Fashion ID
Decided 2019-07-29 · ECLI:EU:C:2019:629
Also searched as: Fashion ID, the Facebook Like button case, joint controllership ruling, Case C-40/17, C-40/17 2019, ECLI:EU:C:2019:629.
Legal question
Whether a site that embeds a third-party button is a joint controller for the collection of the data.
Articles the decision applies
- GDPR · 26
Paragraphs 84, 85
Part of clusters
Verified, unchanged
Checked against the publisher 2026-09-20 · Next check 2026-10-20
Identifiers, dates and links. No legal text is reproduced and nothing here is legal advice.
Verifiable trust signals
- Source-linked answers and explicit evidence gaps
- Obligations, controls, risks and consequences
- Stable objects and verifiable checksums
- Rule-based objects, optional source-linked reasoning
- Model card, source status and audit