Supreme Court to hear appeal by Data Protection Commission over €310m LinkedIn fine

The Supreme Court will hear an appeal by the Data Protection Commission (DPC) relating to certain preliminary matters arising in LinkedIn’s challenge to the imposition of a €310m fine by the commission. In October 2024, the DPC fined LinkedIn €310m for breaches of European data protection legislation. LinkedIn subsequently initiated High Court proceedings challenging this decision. In a judgment handed down in April, the High Court determined several preliminary issues in the proceedings.  The DPC has appealed to the Supreme Court on three such issues decided on by the High Court.  LinkedIn also seeks to bring a cross-appeal on another preliminary issue. Granting permission for the appeal, a three-judge Supreme Court panel noted parties to the dispute agree that the issues raised in the High Court determination are matters of general public importance, a prerequisite for any case heard by the Supreme Court. “[The case] will likely affect the approach to other statutory appeals; the DPC is the lead supervisory authority for GDPR [General Data Protection Regulation] purposes in this respect; the complaint in this case was initiated by a French non-profit organisation; the number of subscribers to LinkedIn runs to hundreds of millions, and the number of persons affected
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