Profile
Work Department
Position
Partner
Career
Renowned for his experience in corporate, stock exchange, and financial litigation and in white-collar criminal law, Arthur Dethomas is a member of the Club des Juristes (a French legal think-tank). Arthur has developed a recognized competency in complex corporate cases before the French commercial courts and represents clients before courts as well as regulatory authorities. He has been involved on numerous internal investigations and has substantial experience representing clients in cross-border matters, including insider trading, financial fraud, and the Foreign Corrupt Practices Act.
Arthur is licensed in Paris and in New York. He began his career at an international commercial law firm, before joining an international business law firm where he was elected to the partnership in 2007. In 2013, he founded a highly renowned litigation boutique firm. He was appointed Premier Secrétaire de la Conférence of the Paris Bar in 2003.
Languages
Education
Master’s degree in Business Law, University of Paris X; LL.M., Washington College of Law (A.U.)
Content supplied by Hogan Lovells (Paris) LLP
Testimonials
Collated independently by Legal 500 research team.
‘Excellent service.’
‘Arthur Dethomas is a leading figure in the field, possessing exceptional interpersonal skills.'
'Marine De Montecler delivers a level of service worthy of a partner. She demonstrates outstanding responsiveness, significant technical expertise, and unwavering tenacity, combined with genuine business acumen, navigating with immense skill between meticulous attention to detail and strategic vision.’
‘Solid technical expertise and a particularly refined strategic approach to complex commercial disputes.'
‘Christelle Coslin stands out for her particularly sharp strategic vision of litigation. Her approach combines legal rigour with risk anticipation.'
‘A complete and balanced team.’
Key clients
- OVH Vodafone Schlumberger Pari Mutuel Urbain Merck & Co Wikimedia Foundation 3F Holding, Xavier Niel, Matthieu Pigasse, Moez-Alexandre Zouari Pizzorno Environnement Wendel

