Anti-Corruption 2026

FRANCE Law and Practice Contributed by: Thierry Marembert, Cécile Labarbe, Aaron Bass and Céline Serpagli, Kiejman & Marembert

Kiejman & Marembert was founded in 2000 and has televen lawyers on its staff. It specialises in complex litigation involving major strategic and economic in - terests, including white-collar criminal defence, cor - porate and finance litigation, and media and enter - tainment litigation. Its clients include listed French and international companies, major industry groups, international or cultural institutions, private equity and family offices, film and television producers, and

media outlets, in addition to heads of state, corpo - rate executives and personalities in the arts, culture, literature, fashion and sport. The firm’s key practice areas are white-collar crime litigation (international corruption, tax fraud, money laundering, banking and market rates and indices manipulation, insider trad - ing or complex fraud); corporate, private equity and finance law litigation; and litigation involving media, entertainment and the arts.

Authors

Thierry Marembert is the co-founder and managing partner of Kiejman & Marembert, and has expertise in white-collar criminal matters, corporate law and arts, and media and entertainment law. His experience includes defending clients before all French criminal courts, regulatory bodies and administrative authorities, including the AMF (the financial markets regulator), the Court of Auditors and the Budget and Finance Disciplinary Court. He is a member of 3 Verulam Buildings, in Gray’s Inn chambers in London. He was admitted to the Bar in 1994 and is a Knight of the French Order of Merit. Thierry is a frequent speaker at international conferences concerning corruption, fraud and general litigation.

Aaron Bass is a partner at Kiejman & Marembert. He works on complex cases, primarily in white-collar criminal law, as well as international sanctions (challenging sanctions before the General Court and the

Court of Justice of the EU, advising companies with respect to sanctions compliance). He is a graduate of the Paris Institute of Political Science in business law, with special emphasis on litigation and arbitration. He was admitted to the Paris Bar in 2016.

Céline Serpagli is a counsel at Kiejman & Marembert whose practice focuses on IP law, entertainment law,

IT law and art law. She works for major motion picture producers involved in IP and entertainment disputes and also handles general civil and commercial law cases. Céline holds an LLM degree in IP law from Golden Gate University Law School in San Francisco and a specialised advanced graduate degree in IT law from Paris XI. She was admitted to the Paris Bar in 2007.

Cécile Labarbe is a partner at Kiejman & Marembert and handles business matters, with an emphasis on shareholder disputes, private equity, securities and financial litigation. She also handles civil and

criminal media law cases involving legal and natural persons (eg, writers, journalists and politicians) as well as intellectual property law. Cécile is a graduate of the ESSEC Business School and has studied business law at the University of Paris I. She was admitted to the Paris Bar in 2009.

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