Private Enforcement & Follow-on Damages
Private Enforcement & Follow-on Damages


Vivien Terrien is a Judge’s Counselor (Référendaire) at the Court of Justice of the European Union and was part of the EU General Court President’s office for ten years. He also acts as Deputy Board Member of the Polynesian Competition Authority and as International Competition Network (ICN) representative for the Competition Council of Luxembourg. He is an Honorary Member of the European Lawyers’ Union.
Before joining the Court in 2009, Vivien practiced as an attorney in the antitrust teams of Linklaters in Paris and, then, of WilmerHale in Brussels. He qualified as a Paris and New York attorney-at-law after studying at Ottawa University (Canada) and graduating from the Universities of Paris II Panthéon-Assas and Nantes (France), the College of Europe (Bruges, Belgium) and Harvard Law School (Cambridge, USA).
Vivien is academically involved as a lecturer in EU internal market and competition law at the Paris II Panthéon-Assas University, the Lorraine University, the Catholic University of Paris and the University of Pau and the Adour Region. In addition, he regularly intervenes as a speaker on EU antitrust matters in international fora and before various national authorities. Moreover, he has organized and participated in several trainings and workshops for national judges, among them, those held in the framework of the Training for National Judges in EU Competition Law at the OECD-GVH Regional Centre for Competition in Budapest (Hungary) and at the Law School of the University of Valencia (Spain).
Vivien has published many articles on EU litigation, antitrust and institutional law topics. Most recently, he co-authored the reference book “European Court Procedure – A Practical Guide” (Hart Publishing, 2020 – https://europeancourtprocedure.eu) and he wrote entries in the French version of the Dictionary of Competition Law (Concurrences, 2023) He is also a team member of the Judicial Competition Law website (www.judicialcompetitiontraining.eu) and he sits as Board Member and Member of the Scientific Committee at the Research Institute advancing competition law and economics in small market and insular economies (ISLE).

PETER FREEMAN CBE, KC (hon) was, from 2013 until recently, a Chairman of the UK Competition Appeal Tribunal and a Board Member of the Competition Service. He is now a Senior Adsviser to the Tribunal. From 2005-2011 he was Chairman of the UK Competition Commission, having been a Deputy Chairman since 2003. Prior to that he practised for 30 years at the international law firm Simmons & Simmons, 25 of them as a partner, managing the Commercial Department and heading the EC and Competition Law practice group. From 2011-2013 he was Senior Consultant to the international law firm Cleary Gottlieb Steen & Hamilton. He is a member of the Lloyds Enforcement Appeal Tribunal Panel, and a non-executive Board Member of the Single Source Regulations Office (SSRO).
Peter Freeman co-founded the Regulatory Policy Institute, Oxford in 1991, and is currently Vice Chairman. He has written and spoken widely on competition and regulatory law.

Sergio Baches Opi is a member of the Legal Service of the European Commission (Competition Team). Before joining the European Commission in 2017, Sergio practiced as a competition lawyer in Madrid, Barcelona and Brussels. Sergio graduated in law by Universidad de Barcelona (U😎 and holds an LL.M. in European Law from the Katholieke Universiteit Leuven (KUL), an LL.M in International Business and Trade Law from Fordham University School of Law (USA), a Master in Human Resources Management from EADA Business School Barcelona and a PhD from Pompeu Fabra University (UPF) School of Law (Barcelona). He is a visiting professor of competition law in the Barcelona School of Management (UPF). He has published several articles on competition law (the most recent being “Gun Jumping in the European Union: An Analysis in Light of Ernst & Young” (with A. Boitos), Journal of European Competition Law & Practice, Volume 10, Issue 5, May 2019) and has regularly participated in conferences and seminars on competition law






Review of developments in key jurisdictions Approaches to class/ collective actions Parental liability after Sumal Disclosure developments Quantification of damages