Written by a distinguished team with extensive experience in the area, this key analytical commentary on the competition procedures of the EU provides in-depth coverage of the relevant rules. The work discusses in detail the Commission's package of regulations and guidelines and their interaction in practice. This fourth edition fully updates the work to reflect recent legislative developments and a wealth of recent case law. Coverage also includes discussion of the fining practice of the European Commission and the judicial review of this practice by the Community Courts. As a practical guide to procedure, focusing on the implementation of the regulatory framework by the Commission and the relevant case law of the European Courts, this is an indispensable resource for all practitioners involved in competition proceedings before the European Commission and national competition authorities.