Intellectual Property: Patents
France
6 years ranked
LAWYER PROFILE
Grégoire Desrousseaux
Global 2026
Ranked in 1 practice area
About
Provided by August Debouzy
Practice Areas
Grégoire Desrousseaux began his career as a French Patent Attorney before being admitted to the Paris Bar in 2000. He joined August Debouzy as a partner in 2011.
As a member of August Debouzy’s Patents team, he assists French and international clients with all patent-related matters, including advisory work or litigation and oppositions before the French courts, the UPC or the EPO.
A graduate of École Polytechnique and ENST, Grégoire Desrousseaux is both an engineer and a lawyer. His dual background—combining technical expertise with legal solutions—makes him a valuable asset for clients.
Grégoire leads a team of lawyers who share similar engineering backgrounds. He is also committed to sharing his knowledge by teaching patent law at CEIPI (Center for International Intellectual Property Studies) and at engineering schools.
Chambers Review
Provided by Chambers
Chambers Global Guide
Intellectual Property: Patents - France
Band 1
Individual Editorial
Grégoire Desrousseaux draws from a wealth of experience and represents clients in complex patent infringement cases, nullity actions and opposition proceedings. He routinely handles cross-border and domestic mandates for clients in the telecommunications, medtech and automotive sectors.
Strengths
Provided by Chambers
I would highlight his expertise, responsiveness and knowledge of the cases.
Intellectual Property: PatentsChambers Global GuideGrégoire Desrousseaux knows patent litigation inside out.
Intellectual Property: PatentsChambers Global GuideGrégoire Desrousseaux is one of the best lawyers and technical experts I have worked with. He is a very knowledgeable and gifted individual who is both approachable and attentive.
Intellectual Property: PatentsChambers Global Guide
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