Eileen Lagathu

Of Counsel

巴黎 + 33.1.56.59.39.32

Eileen Lagathu focuses on French and EU competition law. She has spent more than 15 years representing clients in high-profile cartel, antitrust, and State aid cases. She also regularly advises companies on the merger control aspects of their cross-border transactions.

Eileen advises clients in a number of industries, with a concentration on the pharmaceutical and health care, renewable energy, and banking sectors. She has participated in investigations and litigation proceedings before national competition authorities, the European Commission, and the EU courts in landmark cases that have contributed to shaping the case law on fines. She also handles all competition law aspects of acquisitions or joint ventures (including merger and FSR [Foreign Subsidies Regulation] notifications) and assists clients in setting up their compliance programs.

Eileen was recognized as a Global Elite Thought Leader in 2025 by Lexology and has received the Lexology Client Choice Award for Competition for France in 2024 and 2025.

经验

  • DBG Technology acquires All Circuits S.A.S. for CNY 730 millionJones Day advised DBG Technology Co., Ltd. in the CNY 730 million acquisition of All Circuits S.A.S. from IEE S.A. and Hiwinglux S.A. (both pertaining to Aerospace Hi-Tech Holding Group Co. Ltd., a China-based public conglomerate).
  • Société Générale sells Société Générale Equipment Finance's (SGEF) activitiesJones Day advised Société Générale in the sale of the professional equipment financing businesses operated by Societe Generale Equipment Finance (SGEF) to Groupe BPCE.
  • Calgon Carbon sells European diatomite and perlite business to ImerysJones Day advised Calgon Carbon Corporation in the sale of its European diatomite and perlite business to Imerys.
  • Tender offer for Eurobio Scientific launched by NextStage AM and IK PartnersJones Day advised Eurobio Scientific SA in the tender offer launched by a consortium led by the management of Eurobio Scientific and funds managed by NextStage AM and IK Investment Partners, at a price of €25.3 per share representing a maximum amount of approximately €161 million and valuating Eurobio Scientific at approximately €270 million.
  • GIFAM successfully defends against French Competition Authority investigationJones Day successfully defended Groupement Interprofessionnel des Fabricants d'Appareils d'Equipement Ménager (GIFAM), the French trade association representing the household appliance sector, in an investigation by the French Competition Authority.
  • Orano and XTC New Energy create two JVs dedicated to production of batteries for electric vehiclesJones Day advised 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.
  • Amolyt Pharma acquired by AstraZenecaJones Day advised Amolyt Pharma, a global, clinical-stage biopharmaceutical company specializing in developing therapeutic peptides for rare endocrine and related diseases, in its $1.05 billion acquisition by AstraZeneca.
  • Cellectis and AstraZeneca enter into research collaboration and agree on equity investment of up to $220 million by AstraZenecaJones Day advised Cellectis in connection with the joint research collaboration agreement entered into with AstraZeneca and initial equity investment by AstraZeneca into Cellectis of $80 million.
  • Sanofi announces carve-out creating EUROAPI and spin-off of approximately 58% of shares to its shareholdersJones Day advised Sanofi in the carve out creating EUROAPI (a leading European company dedicated to the development, production and marketing of active pharmaceutical ingredients) and the listing of this entity on Euronext Paris and the placement of 12% to the French State (through French Tech Souveraineté) for a price of up to €150 million.
  • Fortino Capital acquires majority stake in BonitasoftJones Day advised Fortino Capital Partners NV in acquiring a majority stake in Bonitasoft, a leading software company active in the field of Digital Process Automation and Intelligent Business Process Management, from former investors.
  • Sanofi sells 10 established products to CheplapharmJones Day advised Sanofi in the sale of a portfolio of pharmaceutical products to Cheplapharm Arzneimittel GmbH, a German privately-owned company headquartered in Greifswald, Germany.
  • Sanofi sells 10 established products to CheplapharmJones Day advised Sanofi in the sale of a portfolio of pharmaceutical products to Cheplapharm Arzneimittel GmbH, a German privately-owned company headquartered in Greifswald, Germany.
  • Sanofi sells portfolio of established dental care brands to SeptodontJones Day advised Sanofi in the sale of an integrated portfolio of dental care brands and related medical devices to Septodont, a French privately-owned company headquartered near Paris.
  • Sanofi divests 16 brands to STADAJones Day advised Sanofi in the sale of 16 Consumer Healthcare products commercialized in Europe to STADA Arzneimittel AG.
  • Sanofi sells anti-inflammatory drugs to Fidia FarmaceuticiJones Day advised Sanofi in the sale of a portfolio of pharmaceutical products to Fidia Farmaceutici.
  • Simpson Manufacturing Company announces offer to acquire Etanco GroupJones Day advised Simpson Manufacturing Company, Inc. in the €725 million acquisition of the Etanco Group.
  • Total acquires Fonroche BiogazJones Day advised Total in the acquisition of Fonroche Biogaz, a company that designs, builds and operates anaerobic digestion units in France.
  • 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.
  • Sanofi sold two product portfolios to CHEPLAPHARMJones Day advised Sanofi in the sale of a portfolio of pharmaceuticals products to CHEPLAPHARM Arzneimittel GmbH.
  • Total Quadran sold 50% stake in two holding companies holding wind and solar assets in France to la Caisse des Dépôts et ConsignationsJones Day advised Total Quadran in the sale by the Quadran group, which is part of the Total group, of a 50% stake in two holding companies holding a portfolio of wind and solar assets in France, to la Caisse des Dépôts et Consignations.
  • Carmat reaches agreement with one of its main suppliers and signs sanctioned conciliation agreementJones Day advised the French medtech Carmat in connection with its negotiations with one of its main suppliers, Vignal Artru Industries, which was facing difficulties and was subject to an amicable procedure.
  • Société Générale sold Ohridska Banka (Macedonia) to Steiermärkische Bank und Sparkassen AGJones Day advised Société Générale in the sale of majority stake in Ohridska Banka AD Skopje (Republic of North Macedonia) to Steiermärkische Bank und Sparkassen AG.
  • Société Générale sells Societe Generale Serbia and Sogelease Serbia to OTP BankJones Day advised Société Générale in the sale of 100% of the shares in its subsidiary Societe Generale Serbia (SGS) and Sogelease Serbia to OTP Bank Nyrt., including the indirect sale of 100% of the shares in SG Leasing (SGS' wholly owned subsidiary dedicated to leasing activities).
  • Société Générale sells Societe Generale Montenegro to OTP BankJones Day advised Société Générale in the sale of Societe Generale Montenegro to OTP Bank.
  • Société Générale sells its majority stake in Mobiasbanca Societe Generale (Moldova) to OTP BankJones Day advised Société Générale in the sale of its majority stake in Mobiasbanca Societe Generale (Moldova) to OTP Bank Nyrt, the leading Hungarian bank.
  • Société Générale sold SKB Banka (Slovenia) and its subsidiaries to OTP BankJones Day advised Société Générale in the sale to OTP Bank Nyrt. of its shareholding in the share capital of its subsidiary specializing in retail banking, SKB Banka d.d. Ljubljana (Slovenia), and of its subsidiaries SKB Leasing d.o.o. and SKB Leasing Select d.o.o.
  • Société Générale sells its majority stake in Societe Generale Albania to OTP Bank.Jones Day advised Société Générale in the sale of its majority stake in Societe Generale Albania to OTP Bank.
  • Société Générale sells its majority stakes in Societe Generale Expressbank AD and Sogelife Bulgaria IJSC to OTP BankJones Day advised Société Générale in its sale of its majority stakes in Societe Generale Expressbank AD and Sogelife Bulgaria IJSC to OTP Bank.
  • APE obtains French constitutional Supreme Court approval for design of airport privatization planJones Day advised the Agence des Participations de l'Etat ("APE") on constitutional matters regarding the privatization of Aéroports de Paris ("ADP"), the French company managing the biggest airports around Paris (market value: €17 billion).
  • Renault receives proposal to combine from FCAJones Day is advising Renault on antitrust matters in relation to its proposed combination with Fiat Chrysler Automobiles N.V. (FCA), following the non-binding letter FCA sent to the Board of Renault proposing a combination of their respective businesses as a 50/50 merger.
  • Deezer enters into exclusive distribution agreement with Rotana, leading media group in Middle EastJones Day is assisting Deezer, a leader in music streaming, in the negotiation and execution of an exclusive distribution agreement with Rotana Group, the leading media group in the Middle East, to distribute Rotana's audio and video content catalogue exclusively on Deezer's platform in the Middle East and North Africa regions.
  • Deutsche Post / DHL defend information exchange case brought by French Competition AuthorityJones Day represents Deutsche Post / DHL before France’s antitrust authority in a major case concerning an alleged exchange of information that involved (among others) the four largest national Post Offices in the European Union.
  • Silicon Mobility sold to IntelJones Day advised Silicon Mobility SAS in the acquisition of the company by Intel Corporation.
  • Sanofi sells portfolio of well-established consumer healthcare brands to STADAJones Day advised Sanofi in the sale of a portfolio of 7 well-established consumer healthcare brands across several countries, including Belgium, Germany, Hungary, Spain, the U.K., as well as Nordic countries, to STADA Arzneimittel AG.
  • 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.
  • Sanofi sells two established product portfolios to NeuraxpharmJones Day advised Sanofi in the sale of 2 portfolios of products for central nervous systems disorders and pain and vascular diseases to LESVI, a Spanish subsidiary of Neuraxpharm.
  • 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.
  • Sanofi divests IMOJEV® to SUBSTIPHARMJones Day advised Sanofi in the sale of the Japanese Encephalitis vaccine IMOJEV® to SUBSTIPHARM, a privately held pharmaceutical group.
  • Sanofi sells anti-infective portfolio to ADVANZ PHARMAJones Day advised Sanofi in the sale of a portfolio made up of eight anti-infectives including Azactam™, Cefotax™, Claforan™, Oroken™, Rulid™, Suprax™, Wintriaxone™ and Colistimethate Sodique products, which are critical in treating a broad range of infections, to ADVANZ PHARMA Corp. Limited, a UK-headquartered global pharmaceutical company with a strategic focus on specialty and hospital pharmaceuticals.
  • 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.