Vianney Guillet de Chatellus

Patrick Thiébart advises international companies on a wide variety of issues relating to labour law and human resources.

Anne-Sophie Poggi is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Technology Law. Anne-Sophie, 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 Anne-Sophie is held by other top lawyers in the same geographic and legal practice area.

Marie-Laure Bruneel is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity Law and Tax Law. Marie-Laure, who practices law in Paris, France, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marie-Laure is held by other top lawyers in the same geographic and legal practice area.

Sophie Uettwiller is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law, Labor and Employment Law and Litigation. Sophie, who practices law in Paris, France, has been recognized since 2013. 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.

Julien Maire du Poset is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Julien, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julien is held by other top lawyers in the same geographic and legal practice area.

Fabrice Perruchot is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Fabrice, who practices law in Paris, France, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fabrice is held by other top lawyers in the same geographic and legal practice area.

Christophe Bourdel is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Real Estate Law. Christophe, 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 Christophe is held by other top lawyers in the same geographic and legal practice area.

Priscilla Van den Perre is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Priscilla, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Priscilla is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/ledoux-patrick/ .

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...