Sébastien Sayn-Urpar

Anne-Sophie Leclerc is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Reorganization Law. Anne-Sophie practices law in Paris, France Best Lawyers has recognized Anne-Sophie Leclerc since 2023. 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 Anne-Sophie Leclerc is held by other lawyers.

Martin Pradel is a member of the Paris Bar and founder of TALMA Dispute Resolution. He acts in the most complex white-collar matters as well as in matters of commercial and corporate litigation, in France and abroad. Martin has extensive experience in sensitive cases with high reputational stakes. He also advises companies, executives and political figures in white-collar criminal matters and compliance, particularly in cases of corruption, money laundering, terrorism financing and internatio...

Clémence Lemétais d'Ormesson is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation and Litigation. Clémence practices law in Paris, France Best Lawyers has recognized Clémence Lemétais d'Ormesson since 2026. 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 Clémence Lemétais d'Ormesson is held by other lawyers.

Bruno Deffains is a lawyer recognized by Best Lawyers in the practice areas of Corporate Governance and Compliance Practice and Product Liability Litigation. Bruno practices law in Paris, France Best Lawyers has recognized Bruno Deffains since 2026. 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 Bruno Deffains is held by other lawyers.

Smaïn Guennad is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Sports Law. Smaïn practices law in Paris, France Best Lawyers has recognized Smaïn Guennad since 2023. 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 Smaïn Guennad is held by other lawyers.

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...

Florent Prunet advises and assists businesses in various economic sectors with regard to anti-competitive practices (specialised advice and litigation, compensation litigation, visits and seizures, etc.), merger control (French and European), distribution and consumption (networks, distribution and representation agreements, advertising, commercial practices) and generally defends them in all their economic litigation cases.

Philippe Bouillon is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Philippe practices law in Paris, France Best Lawyers has recognized Philippe Bouillon 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 Philippe Bouillon is held by other lawyers.

A graduate of the Paris Institute of Political Studies, Philippe Montanier handles inquiries relative to corporate labour law and brings his expertise to bear more particularly on matters of social security law (retirement and provisions), employee savings schemes, civil service law and the relations with staff representative institutions. He heads the “Compensation & Benefits” team with Philippe Langlois and Juliana Kovac.

Lionel is the founder and managing partner of Galion Société d'Avocats , a Paris-based law firm advising French and international clients in Employee Benefits Law and Labor and Employment Law . He advises companies on individual employment relations , employment litigation, dispute resolution, corporate transactions, reorganizations and restructuring matters . Lionel also assists clients with Alternative Dispute Resolution (ADR), including mediation. Admitted to the Bar in 1997,...