Lucie Perrois

Marie-Muriel Barthelet is a lawyer recognized by Best Lawyers in the practice area of Private Equity Law. Marie-Muriel practices law in Paris, France Best Lawyers has recognized Marie-Muriel Barthelet since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Marie-Muriel Barthelet is held by other lawyers.

Cécile Cottin-Dusart is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Cécile practices law in Toulouse, France Best Lawyers has recognized Cécile Cottin-Dusart since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Cécile Cottin-Dusart is held by other lawyers.

Stéphanie Guedes da Costa focuses particularly on relations with employee representative bodies, professional elections, collective bargaining, as well as restructuring operations (including employee transfers, voluntary departure plans, and employment protection plans). She advises both French and international companies, providing support in both advisory and litigation matters (covering individual and collective issues). For many years, she has also assisted entities with mixed-stat...

For more information, please visit www.gibsondunn.com/lawyer/harroch-ariel/ .

Yam Atallah is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Yam practices law in Paris, France Best Lawyers has recognized Yam Atallah since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Yam Atallah is held by other lawyers.

Frédéric Marchand is a lawyer recognized by Best Lawyers in the practice area of Administrative Law. Frédéric practices law in Nantes, France Best Lawyers has recognized Frédéric Marchand since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Frédéric Marchand is held by other lawyers.

Maxence Bloch is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Private Equity Law. Maxence practices law in Paris, France Best Lawyers has recognized Maxence Bloch since 2010. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Maxence Bloch is held by other lawyers.

Philippe Hansen has been a partner since 2011. He’s specialized in urban planning, development law and became one of the most reknown experts in public property law. He also works regularly in the railway sector regulation and in art law, working both for public institutions and museums and for private collectors. He’s the author of a textbook on public property law (Propriété des personnes publiques en 100 questions, Le Moniteur, 2012). He also participates in sever...

Before joining UGGC Avocats, Alison Leroy worked for 7 years at Carakters, then at Franklin from 2020, and recently at Bersay, where she opened the “Life Sciences, Biotech and Pharma R&D” department. Her experience covers regulatory affairs, site and production unit management, and the negotiation and management of R&D and business development contracts (collaborative research contracts, co-development contracts, clinical trial contracts, French and European consortia, etc...

Patrick Jaïs is a lawyer recognized by Best Lawyers in the practice areas of Capital Markets Law, Corporate Law and Mergers and Acquisitions Law. Patrick practices law in Paris, France Best Lawyers has recognized Patrick Jaïs since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Patrick Jaïs is held by other lawyers.