After 1 May 2004, the enforcement of European antitrust law entered a new era. At the same time as 10 new Member States joined the European Union, Regulation No 17, which had governed the enforcement of Articles 81 and 82 EC since 1962, was replaced by Regulation No 1/2003, which has ushered in...

Recidivism has in the last few years attracted much attention and controversy in the context of EU antitrust enforcement. The treatment of recidivism by the European Commission and the EU Courts has often been criticized, and the observed incidence of recidivism has led to some questioning of...

This paper deals with the powers of the European Commission and the competition authorities of the EU Member States to enforce Articles 101 and 102 TFEU, and with the procedural rights and guarantees that circumscribe or limit these powers. It focuses in particular on the interplay between the...

This paper discusses discretion and prioritisation in public antitrust enforcement, in particular in the enforcement of EU antitrust law. First, the paper defines the notion of discretion and discusses the rationale of discretion. Second, it examines the enforcement of Articles 101 and 102 TFEU...

On 1 September 2006, the European Commission published new Guidelines on the method it will use when setting fines for undertakings that have infringed the competition rules laid down in Articles 81 and 82 of the EC Treaty. This paper discusses the questions what the purpose is of guidelines,...

The EC antitrust prohibitions are regularly invoked in private litigation as a shield. Private parties also play an important role in public antitrust enforcement through complaints to the competition authorities. However, in marked contrast with the situation in the US, private actions for...

This paper deals with the application of the principle of 'ne bis in idem' in EC antitrust enforcement. The principle of 'ne bis in idem', laid down in Article 4 of Protocol 7 to the European Convention on Human Rights and in Article 50 of the Charter of Fundamental Rights of the European Union,...