Marc Barennes

Bureau Brandeis (Paris)
Founding Partner

Marc Barennes is a co-founder of and partner at bureau Brandeis Paris. Over the course of the past 20 years, he has been acting in the field of competition law in Paris, Brussels and Luxembourg successively as a defense lawyer with a US law firm, a European Commission official, a senior EU Court of Justice advisor (référendaire) and a senior executive and board member of a company specialized in bringing damages claims. In his various roles, Marc has been involved in all the assessment, management, investigative, administrative, and judicial stages of some of the most high-profile cartel, abuse of dominance and State aid procedures in Europe. In addition to his lawyer practice, Marc Barennes regularly lectures, speaks and publishes articles in the legal areas of public and private antitrust enforcement, State Aids, as well as of litigation funding. Until November 2022, he was teaching “Global competition litigation”, “Antitrust Class Actions in Europe” and “Litigation funding” at the French leading School of Law Sciences Po Paris since 2014. Marc has been since 2012 a Non-Governmental Advisor (NGA) first to the European Commission and later to the French Autorité de la concurrence and the Luxembourg Conseil de la concurrence for the International Competition Network (ICN) which gathers all the competition authorities in the world.

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Marc Barennes
Marc Barennes 27 February 2017 Paris


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Marc Barennes Private action: The Court of Justice of the European Union clarifies the scope of the right to full compensation and the recourse to judicial assessment of damages provided for by the "Damages" Directive (Tráficos Manuel Ferrer)


Introduction The compensation actions brought following the European Commission’s decision to condemn truck manufacturers for forming a cartel from 1997 to 2011 (Decision C(2016) 4673 final on a proceeding under Article 101 [TFEU] and Article 53 of the EEA Agreement (Case AT.39824 - Trucks), (...)

Marc Barennes Essential infrastructure: The Court of Justice of the European Union considers that there is no "refusal of access" to an infrastructure and rejects the application of the Bronner test to the crowding out behaviour of a Lithuanian incumbent rail operator and finds an autonomous form of abuse (Lietuvos geležinkeliai)


Late last year, the Court of Justice of the European Union (hereinafter the "Court") ruled for the first time in its Paccar judgment (CJEU Nov. 11, 2022, Paccar and others, C-163/21, ECLI:EU:C:2022:863). For a commentary on this judgment, see, for example, Barennes, Braeken, van den Berg and (...)

Marc Barennes, Pascale Hecker Strategic and efficient brief writing before the General Court of the European Union: Practical suggestions regarding the application and the reply in competition law cases


S’inspirant de l’abondante littérature juridique portant sur la rédaction de mémoires dans le cadre de recours introduits devant les juridictions américaines, le présent article émet des suggestions sur la manière de rédiger la requête et la réplique dans les affaires de concurrence portées (...)


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