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,...

Competition authorities need to obtain intelligence and evidence of antitrust violations so as to be able to punish the antitrust violators and create deterrence. The best information will usually be in the hands of the antitrust violators themselves. The first part of this article gives an...

Following various proposals in the academic literature, and in the light of the observed decrease in the number of leniency applications received by European competition authorities in the period 2015 – 2020, the German Monopolies Commission (Monopolkommission) proposed in 2022 to amend the...

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 concerns the relationship between public antitrust enforcement and private actions for damages, focusing in particular on the enforcement of Articles 81 and 82 EC. In the first half of the paper, I examine the respective roles of public antitrust enforcement and private actions for...

This paper discusses two general questions concerning the use of settlements in public antitrust enforcement, namely under which conditions the use of settlements contributes to optimal antitrust enforcement, and under which conditions self-incrimination and waivers of procedural rights by...

This paper deals with the fundamental procedural rights of companies that are targeted in the enforcement of Articles 101 and 102 TFEU by the European Commission or the competition authorities of the EU Member States. The paper first provides a (non-exhaustive) list of such rights as applicable...

Since 1996, the European Commission has been operating a leniency programme, under which companies cooperating with its cartel investigations can obtain immunity from fines or a reduction of fines. Leniency plays a prominent role in EU cartel enforcement today. This paper assesses the positive...

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,...