Patrick Thieffry

Virgile is a seasoned labor and employment attorney advising French and international clients on all labor and employment aspects of their strategic projects, be they transactional or litigation matters.

Corentin Chevallier is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law, International Public Law and Public Law. Corentin, who practices law in Paris, France, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Corentin 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...

Julien Maire du Poset is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and International Arbitration. 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. Julien also acts in cross-border commercial litigation, enforcement, and international ...

Michel Ponsard is one of the partners in charge of the UGGC Avocats Competition Law Departement, present since the law firm's inception after an experience in Brussels. His practice mainly focuses on competition law and distribution, but also on the law of commercial contracts and commercial practices, as well as to the right of promotion and publicity. More precisely he works for a French and international clientele in fields as diverse as the automotive sector, the pharmaceutical sector, pe...

Emmanuel Raynaud is an acknowledged specialist in criminal law and procedure, and more particularly, in the labour-law aspects of criminal law. In 2001, he was elected Secrétaire de la Conférence du Stage. He advises and represents clients in the Criminal Courts throughout the proceedings. Maître Raynaud participates in conducting courses and audits on criminal risks; at the Paris Bar’s School he has been teaching a course entitled “Argument: its theoretical an...

Grine regularly advises leading investment funds, managers, and medium to large-sized companies in transactions such as acquisitions, buy-outs, joint ventures, and restructurings.

Sabine Naugès is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law, Public Law and Regulatory Practice. Sabine, 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 Sabine is held by other top lawyers in the same geographic and legal practice area.

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

Yvon Dréano assists French and foreign clients, industrial businesses and investment funds in their merger & acquisition and complex restructuring operations. He also acts in relation to strategic alliances and joint ventures, operations concerning listed companies and governance issues. His expertise also includes judicial and arbitration litigation of equity transactions. Yvon is a member of the Jeantet Conseil des Associés (Board of Partners).