Sandrine Bouvier-Ravon

Sandrine Bouvier Ravon is a partner at Plasseraud Avocats, specializing in intellectual property law. With more than 30 years of experience in intellectual property litigation, Sandrine has acquired a solid international expertise in all areas related to patent law and, more particularly, with clients in the high-tech sector. Sandrine has also developed a practice in copyright law with authors, publishers and designers, as well as in trademarks, designs and unfair competition.

Jean-Christophe Guerrini

With over 30 years of experience in intellectual property litigation, Jean-Christophe Guerrini is a widely recognized lawyer, particularly for his expertise in complex patent litigation.
He advises and represents clients in high-stakes infringement and unfair competition cases, both in civil and criminal proceedings, in France and internationally, and in particular before the Unified Patent Court (UPC).
A specialist in all areas of intellectual property, he also practices trademark law, design law, copyright law, and press law. 

Gilles Ringeisen

Gilles refined his skills by closely cooperating, for several years, with a specialized law firm, for the follow-up of litigation cases of Plasseraud IP (trademarks, designs and models, copyrights). Gilles then logically became a lawyer. He is registered with the Paris Bar. He remains on the list of persons qualified in the field of Industrial Property held by the INPI (defined by Article L.421-1 of the Code of Intellectual Property), and also retains its title of European Council in Trademarks and Designs and Community Models (from the OHIM).

Ema Bergonier

Ema Bergonier is a lawyer at Plasseraud IP, specializing in Intellectual Property Law. She provides both litigation and advisory services in intellectual property to national and international clients. Admitted to the Paris Bar in 2020, Ema began her career at French and British law firms, where she acquired her expertise in patent law. She is also a member of the International Association for the Protection of Intellectual Property (AIPPI). Ema joined Plasseraud IP in 2025.