Mr Pierre-Louis DESORMIERE > Cabinet Beau de Loménie > Paris, France > Lawyer Profile

Cabinet Beau de Loménie
75340 PARIS CEDEX 07

Work Department

Patents - Material technology, Instruments and Electrochnics.




Pierre-Louis DÉSORMIÈRE is a European and French patent attorney. He is an engineering graduate. He holds the Masters Degree in intellectual property law from Strasbourg University (2014). He joined Cabinet Beau de Loménie in 1998 and became a Partner in 2010. Since then, he has been leading the « Material Technology, Instruments and Electrotechnics » department.

He assists French and Foreign companies of all sizes in the development and support of their industrial property strategy (innovation protection, decision-making tools, portfolio management). He acts in pre litigation and litigation procedures. His clients are in the aeronautics/space and medical industries as well as sectors like energy management and distribution, industrial process control, power electronics and electromechanical systems.

Pierre-Louis DÉSORMIÈRE is active in the ACPI (the French group of FICPI, the International Federation of Intellectual Property Attorneys) and became its Chairman in January 2016.


French, English.




Engineering degree, Ecole d’Ingénieur des Technologies de l’Information et de la Communication (Paris).
Masters Degree in intellectual property law from Strasbourg University.

Lawyer Rankings

Paris > Propriété intellectuelle > Cabinet de conseil en propriété industrielle

Cabinet Beau de Loménie conseille ses clients dans la protection de leurs actifs intangibles en France et à l’international. Le cabinet intervient dans une large variété de secteurs, comprenant la pharmacie, l’aéronautique, les cosmétiques, les équipements sportifs et le divertissement. François Delumeau assure la défense d’un opérateur télécoms dans un contentieux en contrefaçon de brevet transfrontalier. Il a également assisté un groupe pharmaceutique titulaire d’un brevet européen sur des dispositifs médicaux dans le cadre du lancement de saisies sur plusieurs sites à travers la France. Sont également réputés Philippe HubertAurélia MarieDidier IntesPierre-Louis Désormière et Pierre Balesta.

France > Intellectual property: Patent and trade mark attorneys

Cabinet Beau de Loménie impresses with a strong domestic and European filing practice, both in patents and trade marks. The practice covers the full spectrum of IP advice, from the development and implementation of portfolio strategies to assistance in litigation, and attracts renowned international players alongside well-known French companies as clients, not least thanks to its polyglot team, which is able to offer all of the official European Patent Office languages as well as Chinese and Japanese speakers. The group’s experience in representing clients before Europe’s most significant intellectual property offices is another clear asset, as is the firm’s international network of trusted partner firms. With BDL-IP Access and BDL-IP Safe the practice offers its clients a portfolio management tool and an online timestamp and archiving tool. The six contacts in charge of the practice are patent attorneys: Didier Intès (head of the mechanics group), Aurélia Marie (leader of the trade marks, designs, domain names and copyright practice), François Delumeau (IT, electronics and digital technologies practice head), Pierre-Louis Désormière (who is in charge of the material technology, instruments and electrotechnics group), litigation expert and head of the Lille office Pierre Balesta, and Philippe Hubert (head of chemistry, pharmacy, biology and plant varieties). In addition to the offices in Paris, Lille, Lyon and Marseille the firm also has two German offices, in Duisburg and Munich, as well one in Birmingham, UK.