Jean-Julien Lemonnier

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...

Aurélien Djafari-Rouhani is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Aurélien, 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 Aurélien is held by other top lawyers in the same geographic and legal practice area.

Geoffroy GOUBIN is a partner within the “White-collar crime – Compliance” and “Civil and commercial litigation” departments. Geoffroy is involved in a broad range of white-collar crime cases : corruption, tax evasion, money laundering, misappropriation of corporate assets, concealed employment, stock market offences, industrial accidents, cybercrime, etc. He also regularly works on cases involving both criminal and civil proceedings, or parallel proceedings abroa...

Nicolas Sauvage is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Nicolas, 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 Nicolas is held by other top lawyers in the same geographic and legal practice area.

The co-head of the Paris-based team specializing in non-profit sector organizations, Lionel DEVIC has developed recognized expertise in the following specific areas : reorganizing the activities and assets (particularly property) of non-profit organizations (merger, mutualization, division into subsidiaries) incorporating complex groups, whether or not they belong to the community-oriented economy, implying the coexistence of separate legal entities (associations, non-commercial and commercia...

Paul van Deth is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Paul, 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 Paul is held by other top lawyers in the same geographic and legal practice area.

Jean-Baptiste Santelli is a top attorney recognized by Best Lawyers in the practice area(s) of Project Finance and Development Practice. Jean-Baptiste, 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 Jean-Baptiste is held by other top lawyers in the same geographic and legal practice area.

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...

Jean-Martial Buisson is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Jean-Martial, 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 Jean-Martial is held by other top lawyers in the same geographic and legal practice area.

Philippe PACOTTE is co-head of the Paris office’s Employment – Social Security Law Department. He has gained solid experience in : restructuring operations and international projects, involving both the engineering unique to the area and awareness of the necessary synergies with the Corporate Law – Mergers and Acquisitions and Tax Law Departments : registered office transfers, mergers, LBOs, reorganization of activities, due diligence relating to acquisition or sale audits, ...