Judgment of the Court (Grand Chamber) of 5 December 2023.#Deutsche Wohnen SE v Staatsanwaltschaft Berlin.#Request for a preliminary ruling from the Kammergericht Berlin.#Reference for a preliminary ruling – Protection of personal data – Regulation (EU) 2016/679 – Article 4(7) – Concept of ‘controller’ – Article 58(2) – Powers of supervisory authorities to apply corrective measures – Article 83 – Imposition of administrative fines on a legal person – Conditions – Discretion of the Member States – Requirement that the infringement be intentional or negligent.#Case C-807/21.