Judgment of the Court (Grand Chamber) of 5 March 2024.#Marián Kočner v European Union Agency for Law Enforcement Cooperation (Europol).#Appeal – Law enforcement cooperation – Regulation (EU) 2016/794 – Article 49(3) and Article 50 – Protection of personal data – Unlawful data processing – Criminal proceedings brought in Slovakia against the appellant – Expert’s report drawn up by the European Union Agency for Law Enforcement Cooperation (Europol) for the purposes of the investigation – Retrieval of data from a mobile phone and a USB storage device belonging to the appellant – Disclosure of those data – Non-material damage – Actions for damages – Nature of non-contractual liability.#Case C-755/21 P.