Margaux Nègre-Carillon

Jean-Christophe CLEACH, a partner of CLEACH Avocats since 1998, heads the Corporate - Mergers & Acquisitions, Private Equity Law practice. He acts for French and foreign companies, providing them in particular with support in their sale or acquisition processes, efforts to raise equity, negotiation of shareholders' agreements, corporate restructuring and negotiations with creditors (banks and government-owned companies in particular) as well as assisting them more generally in defining th...

Capucine Du Pac de Marsoulies is a lawyer recognized by Best Lawyers in the practice areas of International Arbitration and Mining Law. Capucine practices law in Paris, France Best Lawyers has recognized Capucine Du Pac de Marsoulies 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 Capucine Du Pac de Marsoulies is held by other lawyers.

David Roche has developed a practice dedicated to players in the new technologies, banking and payment services sectors. David assists his clients with the structuring and implementation of complex technology projects, including contract drafting and negotiation, personal data and artificial intelligence compliance, as well as pre-litigation and litigation management. He has also developed a sector-specific practice in FinTechs, serving all regulated and unregulated players in the chain. He a...

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

Frédéric Sardain leads the IP, Tech & Data practice. His team’s activity covers transactional IP/IT, complex digital projects, strategic litigation as well as data compliance and cybersecurity. He is the author, with Pr. Philippe Gaudrat, of the “Traité de droit civil du numérique” published in 2015 by Larcier (2 volumes), a subject he taught for ten years at the Université Panthéon-Assas (Paris II). He regularly acts as a paneli...

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...

Sylvie Welsch is a lawyer recognized by Best Lawyers in the practice areas of Biotechnology and Life Sciences Practice, Health Care Law, Litigation and Product Liability Litigation. Sylvie practices law in Paris, France Best Lawyers has recognized Sylvie Welsch since 2018. 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 Sylvie Welsch is held by other lawyers.

Alexandre Marque is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Leveraged Buyouts, Mergers and Acquisitions Law and Private Equity Law. Alexandre practices law in Paris, France Best Lawyers has recognized Alexandre Marque since 2021. 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 Alexandre Marque is held by other lawyers.

Sophie Lafay is a lawyer recognized by Best Lawyers in the practice area of Biotechnology and Life Sciences Practice. Sophie practices law in Paris, France Best Lawyers has recognized Sophie Lafay 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 Sophie Lafay is held by other lawyers.

Thierry Lauriol is a recognised specialist in the fields of mining, energy and natural resources law, and in international, commercial and investment arbitration, and OHADA law. As Partner since 1997 and Manager of the Energy, Mining and Infrastructure Department, he has almost thirty years’ experience in France, Europe, Africa and the Middle East. Thierry, who has a Doctorate in Law, teaches at Paris II – Panthéon-Assas University, where he co-leads a university diploma de...