Judgment of the Court (Grand Chamber) of 18 April 2024.#Heureka Group a.s. v Google LLC.#Reference for a preliminary ruling – Article 102 TFEU – Principle of effectiveness – Actions for damages under national law for infringements of competition law provisions – Directive 2014/104/EU – Late transposition of the directive – Temporal application – Article 10 – Limitation period – Detailed rules for the dies a quo – Cessation of the infringement – Knowledge of the information necessary for bringing an action for damages – Publication in the Official Journal of the European Union of the summary of the European Commission’s decision finding an infringement of the competition rules – Binding effect of a Commission decision that is not yet final – Suspension or interruption of the limitation period for the duration of the Commission’s investigation or until the date when its decision becomes final.#Case C-605/21.