Serge Clerckx Jones Day


Serge Clerckx is a partner with Jones Day based in the firm’s Brussels office. For 20 years, clients have benefited from Serge Clerckx’s extensive experience in EU competition law and government regulation in a wide range of sectors, including consumer goods, pharma, aerospace, and technology. His competition practice covers merger control and antitrust. Serge represented Bombardier in the €7.5 billion sale of its rail business to Alstom and has led several recent merger cases for P&G, including its $4.2 billion acquisition of Merck KGaA’s consumer health business, the dissolution of its joint venture with Teva Pharmaceutical Industries, and the $12.5 billion sale of its beauty business (including Hugo Boss, Gucci, Max Factor, Wella) to Coty. He also led Goodrich’s $18.4 billion merger with UTC and TI’s acquisition of National Semiconductors. His antitrust practice includes complex investigations and private enforcement litigation, including a landmark €120 million settlement for KPN following an abuse of dominance claim against Belgacom. Serge also covers FDI (foreign direct investment) and has extensive experience in regulated industries, including the representation of the GSM Association before the European Court of Justice on the legal basis of the regulation of international roaming prices. Other representative clients include Bombardier, Bunge, The Carlyle Group, Ferro, Knauf Insulation, KPN Group, Materion, Micron, Owens Corning, Solvay, Socar Trading, UPM, and The World Bank. Serge regularly speaks at conferences and publishes on competition law and government regulation. He is a guest lecturer at Sciences Po, Paris and the Free University of Brussels (VUB). Serge is the hiring partner for Brussels and is in charge of pro bono for the office as well. He is a member of PILnet’s Pro Bono Leadership Council.

2022 Awards

2020 Awards


Nominee, 2022 Antitrust Writing Awards: Business, Mergers

Nominee, 2019 Antitrust Writing Awards: Business, Procedure

Winner, 2012 Antitrust Writing Awards: Business, Unilateral Conduct

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