Pharma/Life Sciences: Corporate
France
13 years ranked
LAWYER PROFILE
Jean-Marc Grosperrin
France 2026
Ranked in 1 practice area
Contributions and articles
2 Articles, Press releases, highlights
About
Provided by Dentons
Practice Areas
Jean-Marc Grosperrin, a partner in Dentons' Paris office, is primarily involved in French and cross-border acquisitions, private equity transactions and industrial M&A transactions. Jean-Marc regularly advises major international groups as well as mid-sized companies.
Besides advising French and foreign companies on their acquisitions or divestitures in France and abroad, he also represents investment funds and managers in leveraged transactions.
Jean-Marc is Global Chair of the Life Science group and Co-head of the Europe and Paris Life Sciences groups. He also serves as a member of Dentons Europe Board.
Career
Dentons (formerly Salans), 2004-Present
Started his career in 1998 at Willkie Farr & Gallagher, first in Paris and then in New York, where he concentrated on private equity acquisitions, mergers and restructurings issues.
Professional Memberships
Admitted to the Bar, Paris, 1998
Chambers Review
Provided by Chambers
Chambers France
Pharma/Life Sciences: Corporate - France
Band 1
Individual Editorial
Jean-Marc Grosperrin boasts a leading corporate practice, advising pharmaceutical companies on commercial agreements and acquisitions.
Editorial individuel
Jean-Marc Grosperrin a une expertise reconnue en droit des sociétés, conseillant les entreprises pharmaceutiques sur des accords commerciaux et des acquisitions.
Strengths
Provided by Chambers
Jean-Marc has enormous legal experience.
Pharma/Life Sciences: CorporateChambers FranceJean-Marc is always responsive and gives good legal advice.
Pharma/Life Sciences: CorporateChambers FranceJean-Marc is a high quality lawyer who is rigorous, reassuring, has a good sense of client service and helps to bring deals to fruition, while being accessible and without an oversized ego.
Pharma/Life Sciences: CorporateChambers FranceJean-Marc est un avocat de grande qualité, rigoureux et rassurant. Il a un excellent sens du service à la clientèle et contribue à la conclusion des transactions, tout en étant accessible et sans prétention. Pharma/Life Sciences: CorporateChambers FranceJean-Marc a une vaste expérience juridique.
Pharma/Life Sciences: CorporateChambers FranceJean-Marc est toujours réactif et donne de bons conseils juridiques. Pharma/Life Sciences: CorporateChambers France
Ranked Individuals at Dentons (15)
France
Meryll Aloro
Banking & Finance
View profile 
Joydeep Sengupta
Corporate Compliance & Investigations
View profile 
Séverine Hotellier
Head of Insurance
View profile 
Frédérique de La Chapelle
Head of Insurance
View profile 
Loïc Lemercier
Intellectual Property: Patents
View profile 
Isabelle Leroux
Intellectual Property: Trade Mark & Copyright
View profile 
Anna Crevon-Tarassova
International Arbitration
View profile Jean-Marc Grosperrin
Pharma/Life Sciences: Corporate
View profile 
Julien Le Guyader
Pharma/Life Sciences: Corporate
View profile 
Jean-Marc Allix
Projects & Energy: Domestic
View profile 
Marc Fornacciari
Head of Public Law
View profile 
Pascal Schmitz
Real Estate
View profile 
Audrey Molina
Restructuring/Insolvency
View profile 
Sandra Hazan
Tax
View profile Sandra Hazan
Tax: International Tax
View profile
Articles, Highlights and Press Releases
2 items provided by Dentons
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.