Denis Boubal is a Of Counsel 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 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.
Christian Schmit is Of Counsel, French and European Patent Attorney at Plasseraud IP.
Étienne Lallias is a French & European Patent Attorney at Plasseraud IP. He advises a diverse range of start-ups and large corporations on the building and management of their patent portfolios, the drafting and prosecution of patent applications, and the conduct of freedom-to-operate (FTO) analyses. He assists clients in the development and implementation of intellectual property strategies.
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.
One of the key requirements that a European application must fulfill is the criterion of Sufficiency of disclosure, set out in Article 83 EPC : “The European patent application shall disclose t
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 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.
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