Firm Profile > Cabinet Maisonneuve > Paris, France

Cabinet Maisonneuve
75 007 PARIS

Dispute resolution: White-collar crime Tier 2

Boutique firm Cabinet Maisonneuve defends companies, corporate officers, employees and elected officials in a wide range of cases. The group manages a high volume of work dealing with high-profile corruption, abuse of company assets and financial fraud accusations. It also defended Orange’s former HR manager in a landmark first instance trial concerning a wave of employees' suicides at the company. The practice is also highly involved in matters concerning the political sphere, with a number of defence cases for high-level public agents, elected officials and other individuals facing investigations in a number of highly publicised cases under its belt. Patrick Maisonneuve ranks among France’s most regarded criminal lawyers. Also recommended are Antoine Maisonneuve and Bérénice de Warren. The three partners co-head the practice.

Practice head(s):

Patrick Maisonneuve; Antoine Maisonneuve; Bérénice de Warren


‘The firm has leading expertise in business criminal matters, particularly in matters of international corruption. The partners and associates are dynamic, rigorous and precise. They enjoy a strong reputation and are very appreciated on the market.’

‘Patrick and Antoine Maisonneuve get along very well and the transmission is done in excellent conditions and in the interests of the clients.’

‘High-level oratory talent, great mastery of criminal cases including large, sensitive or political cases.’

‘Antoine Maisonneuve is a remarkable, very available and talented lawyer. I especially like his keen intelligence, but also his sense of humour.’

Small, but extremely experienced team. Excellent analytical and synthesis skills. Very strong listening skills, high competence.’

‘The files are perfectly handled, with rigour and seriousness. Excellent assessment of strategies to put in place.’

Key clients

Guy Alves (Bygmalion)

Sébastien de Montessus (Areva)

Laurent Simonin (Benalla)

Jacques Moulin (Orange)

Paris-Saint Germain Football Club

European Parliament

Bernard Squarcini