Frédéric Niemann is a Partner and Patent Attorney at Plasseraud IP. He is active in the fields of biotechnology, pharmaceuticals, chemistry and medtech. He was an examiner at the European Patent Office from 2000 to 2005 (in The Hague). He was specialized in the fields of biotechnology (gene therapy, vaccines, and diagnostics). Frédéric joined Plasseraud IP in 2005.

Yann Debrit is a Patent Attorney at Plasseraud IP where he has been a Partner since 2020. His work focusses on the petroleum, farm machinery, machine tools, medical devices, electricity, telecommunications and IT sectors. He is also responsible for relations with INPI on IT matters and advanced user aspects of the office's online solutions (e-INPI team). Yann also teaches Intellectual Property at an engineering school and is a member of the panel of examiners for the professional IP attorney exam specialising in Patents.

Nadine Rocaboy is a Partner at Plasseraud IP since 2018. 

She assists SMEs, multinationals and research institutes in the development and management of their patent portfolio, in particular in chemistry and pharmaceuticals. 

She has a long experience before the European Patent Office including oral proceedings, opposition and appeal proceedings and assists clients in patent litigation. 

She founded Plasseraud IP Start-up to support young entrepreneurs in their IP strategy and the filing of their patents. 

Guillaume Durville is a Partner and a European Patent Attorney based in Madrid at Plasseraud IP.  He advises Plasseraud IP's clients, in particular major players in IT and consumer goods sectors, on the development and management of their patent portfolios. 

Bertrand Loisel is a CEO of Plasseraud IP. 

An Industrial Property Attorney and European Patent Attorney, he heads the firm's Mechanics-Electronics-Computing department. He supports major players and innovative companies in the IT, telecoms and construction sectors in their industrial property strategy, in the technical fields of mechanics, IT and electricity. He advises and litigates, representing clients in oppositions before the European Patent Office, and in infringement cases before French and foreign courts. 

Charlotte Leleu is a Partner, Board Member, French and European Patent Attorney and IT Patent Practice Group Leader at Plasseraud IP. Charlotte advises clients on the protection and defense of their patent portfolio, as well as on the definition and implementation of intellectual property strategies. With a strong background in applied mathematics and computer-implemented inventions, she has developed particular expertise in the field of “Big Data” and Artificial Intelligence.

Jean-Marc Coquel is a Partner and Head of Bordeaux and Angoulême Offices at Plasseraud IP. He is a French and European Patent Attorney. Jean-Marc coordinates the group’s business in the region of Aquitaine. With more than 20 years of experience, he advises clients on developing and implementing their intellectual property strategy in the fields of mechanics, physics and optics.

Ina Schreiber is a Partner, Board Member and Head of Patent Department at Plasseraud IP. After her university studies, she started her career in the IP department of Peugeot. Ina intervenes in the preparation and the obtaining of patents as well as in disputes in the fields of chemistry, materials, pharmaceuticals and agribusiness. Ina worked for 8 years in the Lille office of Plasseraud IP and has thus acquired a great experience in supporting companies with little or no in-house intellectual property expertise.

Seowon Park is a Partner and a Korean IP Attorney within Plasseraud IP. 

Head of Korea Team, she is a graduate of Yonsei University in Korea, where she studied biology. She began her career in a Korean intellectual property law firm where she was responsible for prosecutions and appeals in the fields of chemistry, pharmacy and biology. 

She also has several years of experience as an IP expert in public organisations and as an IP leader in the chemical industry. 

She joined Plasseraud IP in 2017 and was appointed partner in 2025.