Bertrand Loisel

Bertrand Loisel


French Patent Attorney

European Patent Attorney

UPC Representative 


Tel: +33 (0)1 40 16 70 00

Bertrand Loisel is a member of Plasseraud IP's Executive Committee. 

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. 

Before joining Plasseraud in 1992, he was a researcher at the French Atomic Energy Commission (CEA), and began his career in industrial property as a patent engineer in a French industrial property consultancy firm. Bertrand is a member of CNCPI's Brevet Unitaire (BU) and Juridiction Unifiée des Brevets (JUB) committees, as well as of the following associations: ACPI, FICPI, AIPPI. He is a regular speaker at training courses and was a member of the Jury for the French Industrial Property qualification exam.

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Practice areas

Material Sciences
Electrical Engineering
Digital Technologies


Graduate of Ecole Polytechnique

Ph. D. in Materials Sciences

Graduate of IAE Paris

Master of Law, Economic Science, Management,speciality IP law in the Knowledge Economy


English, French, German


JUVE Patent 2022, 2023 - Recommended Individual 

WIPR Leader 2021, 2022, 2023

IAM Patent 1000 2021, 2022, 2023 - Recommended Individual in Prosecution