Cabinet Maisonneuve‘s team comprises several of some of France’s best criminal experts over several generations who assist prominent French companies, as well as high-profile executives and public institutions or their agents. The criminal law boutique manages a large, diverse and prominent caseload, encompassing criminal employment law, fraud, corruption and criminal corporate law offences. It regularly acts in high-profile cases pertaining to the public sector and the political sphere. The practice is co-headed by senior stateman Patrick Maisonneuve, and a younger guard comprising Antoine Maisonneuve, Bérénice de Warren and Rémi Lorrain.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The team has a very significant experience which gives them great authority in criminal matters. Excellent results.’
- ‘Great skill and responsiveness. The quality of service provided is exceptional. The anticipation of needs and customers is remarkable. Fluid and relevant communication.’
- ‘A very agile law firm, able to deal with all kinds of criminal matters, from the most mundane criminal cases to the most technical white-collar crimes.’
- ‘Antoine Maisonneuve: great competence and excellent strategic vision.’
- ‘Berenice de Warren stands out for her seriousness and professionalism. She is rigorous and pugnacious.’
- ‘Antoine Maisonneuve is a brilliant orator with an impressive command of all the cases he handles. Bérénice de Warren is an exceptional technician and tactician, who stays level-headed in the most pressing situations.’
Key clients
- Guy Alves
- Sébastien de Montessus
- Laurent Simonin
- Jacques Moulin
- Paris-Saint Germain Football Club
- European Parliament
- Bernard Squarcini
- Université de Paris
- Joelle Ceccaldi (maire de Puteaux)
- Dupont Moretti
- Pierre Sardet (Auditor of Mazars)
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Remi Lorrain

Antoine Maisonneuve
Practice head
Patrick Maisonneuve; Antoine Maisonneuve; Bérénice de Warren; Remi Lorrain