The EU Directive on private enforcement in antitrust cases (Directive 2014/1040) had a considerable impact on the laws for private competition enforcement in EU Member States. This Practice Note explores the main provisions in the directive, including minimum provisions relating to disclosure rules across Member States, proving loss and the passing on defence and limitation periods, particularly in relation to its impact in the UK. Following the entry into force of the Damages Directive on 27 December 2014, this practice note has been archived and is not maintained.