Mathias Robert

Mathias Robert is a Partner and Patent Attorney at Plassseraud IP. He is specialized in various industrial sectors, such as aeronautics and automotive, which include different technical (mechanical, electronic) and legal aspects (procedure for obtaining intellectual property rights, litigation, strategic analysis). Mathias is particularly recognized for his expertise in artificial intelligence, he assists his customers, whether major corporations or start-ups, in defining protection strategies, obtaining intellectual property rights, litigation and audits.

Debrit Yann

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.

Boubal Denis

Denis Boubal is a Partner and Patent Attorney at Plasseraud IP. He specializes predominately in the mechanical field, both in patent proceedings and litigation matters. After obtaining a Master of Science in Manufacturing degree, he practiced for seven years in an IP firm. Denis joined Plasseraud IP in 2011.

Bertrand Loisel

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. 

Jean-Marc Coquel

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.

Dominique Boutrot

Dominique Boutrot is a French and European Patent Attorney at Plasseraud IP.

He specialises in patent drafting and patent prosecution in the fields of mechanics and electricity, particularly for automotive industry. Dominique gained 6 years experience as a patent engineer at a major automotive supplier. Before that, he worked for more than 15 years in R&D at an automotive supplier.

Dominique joined Plasseraud IP in 2020.

Johan D'Humières

Johan d’Humières is a Technology Specialist at Plasseraud IP.

He specialises in mechanics, biotechnology and especially in the fields of biomechanics. His work is to draft patent application and to write responses to office actions from the European Patent Office. With a training in both mechanics and biology, he acquired a reel expertise in the biotechnology sector.

Johan joined Plasseraud IP in 2025.
 

Min Kyu Cho

Min Kyu Cho is a European Patent Attorney at Plasseraud IP: He studied mechanical engineering at RWTH Aachen and holds a master’s degree in Intellectual Property Law and Knowledge Management from Maastricht University. His academic research activities at Fraunhofer institute and BMW in Germany was in the fields of production technologies of automotive components. Min Kyu is currently undergoing further training to become German and French patent attorney. After working at a German IP firm in Munich for 5 years, he joined Plasseraud IP in 2025.