EricBarbier de La Serre


パリ +

Eric Barbier de La Serre has 20 years of experience in European and French competition law. He has handled numerous antitrust and state aid cases involving the telecommunications, electronic components, media, financial services, and energy sectors.

Eric has been involved in settlement, commitment, interim relief, and sanctions proceedings before the European Commission and the French Competition Authority. He also has very extensive litigation experience before the EU courts and regularly advises on other aspects of EU law such as free movement of goods and services.

Prior to working in private practice at several international law firms, Eric served for five years as référendaire and then Chef de Cabinet to BoVesterdorf, at that time president of the European Court of First Instance (today's General Court) in Luxembourg.

He is consistently ranked in Chambers, Legal 500, and The International Who's Who of Competition Lawyers & Economists.

Eric teaches EU competition law at the Institut d'Etudes Politiques de Paris. He has published more than 40 legal journal articles and more than 260 case notes on EU competition law and litigation. He is also a member of the board of the Association des avocats praticiens du droit de la concurrence.


  • Société Générale sells Société Générale Equipment Finance's (SGEF) activitiesJones Day is advising Société Générale in the sale of the professional equipment financing businesses operated by Societe Generale Equipment Finance (SGEF) to Groupe BPCE.
  • Silicon Mobility sold to IntelJones Day advised Silicon Mobility SAS in the acquisition of the company by Intel Corporation.
  • Bpifrance, INCO Ventures and SEB Alliance invest in VulkamJones Day advised Bpifrance, INCO Ventures and SEB Alliance in the €34 million financing of Vulkam, a deeptech company whose mission is to revolutionize metallurgy through the industrial development of amorphous metals.
  • Orange forms joint venture with Capgemini to launch BleuJones Day acted as antitrust counsel in the formation of a joint venture between Orange and Capgemini to launch Bleu in a strategic partnership with Microsoft, with the aim of meeting the specific cloud needs of the French State, public agencies, hospitals, regional authorities, Vital Importance Operators (OIVs) and Essential Service Operators (OSEs) enabling them to use Microsoft 365 and Microsoft Azure services.
  • TotalEnergies fully acquires Total Eren after a successful strategic alliance of five yearsJones Day acted as Antitrust counsel to TotalEnergies in its buyout of Total Eren's other shareholders, increasing its stake from close to 30% to 100% after a successful strategic alliance of five years.
  • TotalEnergies completes PIPE investment in NextDecade Corporation and investment in $18.5 billion Rio Grande LNG ProjectJones Day represented TotalEnergies in connection with its PIPE investment in NextDecade Corporation and investment in the Rio Grande LNG (RGLNG) Project, a planned natural gas liquefaction project in South Texas.
  • Orano and XTC New Energy create two JVs dedicated to the production of batteries for electric vehiclesJones Day is advising Orano in the context of the setting-up of two joint-ventures dedicated to the production of critical materials for batteries for electric vehicles, together with Chinese group XTC New Energy.
  • Swile and Groupe BPCE to combine to create global leader in employee benefitsJones Day advised Swile, a worktech unicorn, in the acquisition of Bimpli, a subsidiary of Groupe BPCE and leader in employee services and benefits in France.
  • Eurobio Scientific acquires GenDxJones Day advised Eurobio Scientific SA in the acquisition and financing of the Dutch company Genome Diagnostics BV (GenDx) from its founder and its shareholders for €135 million (net of adjusted cash).
  • Deezer merges with and into I2PO S.A.Jones Day advised Deezer S.A. in the context of the SPAC transaction whereby Deezer S.A. merged with and into I2PO S.A., a French SPAC listed on the professional segment of the regulated market of Euronext Paris and the related PIPE financing.
  • T-Mobile closes European Commission investigation into network sharing with commitmentsJones Day represented T-Mobile Czech Republic a.s. in an investigation launched by the European Commission in 2016 in relation to the mobile network sharing agreements concluded between T-Mobile and its competitor CETIN/O2, in the Czech Republic.
  • Armor sells stake in ARMOR-IIMAK to AstorgJones Day advised EN5, controlling shareholders of the Armor group, on the management buyout of Armor Iimak group and the simultaneous 40% investment by Astorg Midcap in the Armor Iimak group.
  • Simpson Manufacturing Company announces offer to acquire Etanco GroupJones Day advised Simpson Manufacturing Company, Inc. in the €725 million acquisition of the Etanco Group.
  • FCA Bank and CACF obtain dismissal of appeal challenging annulment of alleged anticompetitive practice in Italian car financing sectorJones Day advised FCA Bank S.p.A. and Crédit Agricole Consumer Finance SA ("CACF") in an antitrust investigation of the Italian Competition Authority ("ICA") relating to alleged anticompetitive exchanges of information between captive banks of car manufacturers in Italy on interest rates and financial terms offered to consumers.
  • Orange forms joint venture with PublicisJones Day acted as antitrust counsel in the formation of a joint venture between Orange and Publicis for the marketing of a cloud platform to professionals for the production of hybrid events, accessible in Software as a Service (‘SaaS’) mode.
  • EDF obtains full dismissal of antitrust complaint in FranceJones Day secured the complete dismissal of a complaint brought against EDF (Electricité de France) by a French association of energy retailers, l'ANODE, before the French Competition Authority ("FCA").
  • Framatome acquires Rolls-Royce Civil Nuclear Instrumentation and Control business in France and ChinaJones Day advised Framatome, an international leader in nuclear energy recognized for its innovative solutions and value added technologies for the global nuclear fleet, in its acquisition of the Rolls-Royce Civil Nuclear Instrumentation and Control business in France and China.
  • ARMOR USA acquires industrial segment of International Imaging Materials, Inc.Jones Day represented Armor SAS and ARMOR USA, Inc., a French-based company that specializes in the industrial formulation of inks and the coating of thin layers onto thin films, in the acquisition and financing of International Imaging Materials, Inc. ("IIMAK"), a global developer and manufacturer of value-added consumable solutions for industrial applications.
  • IFPEN prevails in State aid case against EU CommissionJones Day client IFP Énergies nouvelles (IFPEN) secured an important victory when the EU General Court in Luxembourg annulled, for the second time, a European Commission decision finding that IFPEN had received State aid linked to its public legal status.
  • Macquarie Infrastructure and Real Assets divests stakes in Autoroutes Paris-Rhin-RhoneJones Day advised Macquarie Infrastructure and Real Assets (Europe) Limited in the sale by subsidiaries Macquarie Infrastructure Fund 2, Macquarie Mercer Infrastructure Trust 1, and Macquarie Mercer Infrastructure Trust 2 of remaining stakes in Autoroutes Paris-Rhin-Rhone for an aggregate price of €867 million.
    • October 24-25, 2016
      Rules Concerning the Collection and Treatment of Evidence Under the EU Directive on Private Enforcement, EU private enforcement held at the French Supreme Court
    • June 27, 2017
      Competition Authorities: Towards More Independence and Prioritization ?, speaker, 2017 "New Frontiers of Antitrust" Conference
    • November 9, 2016
      Jones Day Global Life Sciences Conference – 2016 Issues & Trends
    • May 10, 2016
      Presention on four recent Court of Justice judgments that requests for information sent by the European Commission to cement producers were illegal, AFEC conference
    • November 8, 2013
      Evidentiary Issues: Interplay between Public and Private Enforcement, Access to Documents, Leniency-related Evidence, etc., 9th Annual Conference of the Global Competition Law Centre (GCLC), focused on Antitrust Damages in EU Law and Policy
    • May 13, 2013
      Contrôle des concentrations, les enjeux de la révision des lignes directrices
    • February 14, 2013
      Navigating the Globe: Cartel Enforcement Around the World, panelist, ABA Section of Antitrust Law presented by the Cartel and Criminal Practice Committee and the International Committee
    • November 29, 2012
      Un premier bilan du contrôle des concentrations exercé par l'Autorité de la concurrence
    • November 8-9, 2012
      Competition law in times of economic crisis:in need for adjustment?, GCLC's 8th Annual Conference
    • October 23, 2012
      French Industry at the Crossroads: New strategic options and legal innovations
    • 24 octobre 2012
      L'industrie française à la croisée des chemins : nouvelles options stratégiques et avancées de l'ingénierie juridique et financière
    • September 26, 2012
      GCLC Lunch Talk, The General Court's Judgment in the Microsoft compliance case t-167/08
    • 10 février 2012
      Demain la concurrence, 3ème Conférence internationale de la revue Concurrences
    • 16 janvier 2012
      Abus tarifaires : les remises, Séminaire organisé en partenariat avec la revue Concurrences
    • 29 novembre 2011
      Participations minoritaires et contrôle des concentrations, Séminaire organisé en partenariat avec la revue Concurrence
    • November 29, 2011
      Antitrust Program on Minority Shareholdings and Merger Control