Stanislas Roux-Vaillard

Julien Horn focuses on information technology and intellectual property litigation. He also handles transactional and contractual work on IP and IT assets. Julien Horn’s litigation practice is prominent in the field of software litigation, patent litigation, and trademark litigation. He has also acquired significant expertise in the planning and monitoring of innovative mass litigation campaigns for IT and software companies. He regularly publishes articles on IP and IT issues in the le...

BG2V founding Partner (2010),​ Admitted to the Paris Bar since 1999.​ ​ Expertise :​ ​Criminal Law​ ​ Experience :​ ​BG2V,​ Former Secretary of the Internship Conference,​ Metzner & Partners,​ Salès Vincent & Associatess,​ Townsend Townsend & Crew (San Francisco).​ ​ Education :​ DEA in Private International Law, University of Paris I Sorbonne.​ ​ Practice areas :​ Karim is primarily involved in the criminal liability of the legal persons of their leaders, in financial, sto...

Lionel Lesur is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Lionel, who practices law in Paris, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lionel is held by other top lawyers in the same geographic and legal practice area.

Quentin de Margerie’s practice focuses on white collar crime and complex domestic and cross-border litigation, particularly with regard to corporate, securities and commercial law, M&A transactions, joint-ventures, directors’ liability, compliance and enforcement matters. He represents clients in all stages of their disputes, and has close to 10 years of experience as a trial lawyer before French civil, commercial and criminal courts as well as regulatory authorities. Quentin ...

Diane Le Chevallier is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Structured Finance Law. Diane, who practices law in Paris, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Diane is held by other top lawyers in the same geographic and legal practice area.

Sophie Pelicier-Loevenbruck is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Sophie, who practices law in Paris, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sophie is held by other top lawyers in the same geographic and legal practice area.

Partner, Jérémie Swiecznik is highly experienced in advising issuers and investment funds on venture capital or growth capital operations. He also advises listed and unlisted companies of all sizes on all mergers, acquisitions and reorganisations, both in France and overseas. His industry expertise includes healthcare services, technology and business services. Jérémie assists private equity and real estate funds, banks, financial institutions, corporates, family o...

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...

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...

Jean-Philippe Crot is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Mergers and Acquisitions Law. Jean-Philippe, who practices law in Paris, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jean-Philippe is held by other top lawyers in the same geographic and legal practice area.