en
fr
cn
jp
Find your IP expert
Find your IP expert
Firm
Presentation
Our organisation
Partners
Our teams
Our clients
Our values
Awards and rankings
Offices
Patents
Trademarks
Designs / Copyright
Software / Domain names
Litigation
Agreements
News & documentations
News
Documentations
IT and management tools for IP
Careers
Join us
Internship and Job adverts
Contact us
en
fr
cn
jp
Close
Search
Close
Find your IP experts
Office
Birmingham
Geneva
Lille
Lyon
Marseille
Munich
Nantes
Paris
Rennes
Strasbourg
Fields of expertise
Contract
Contracts
Copyright
Copyrights and equivalent (“droit d’auteur”)
Designs
Designs & Models
Domain names
Geographical indications and indications of origin
IP litigation
IP management
IP strategy
Models
Open source software
Patent applications
Patent litigation
Patent Portfolio management
Patent prosecution
Patent searches
Patent strategy
Patents
Search and monitoring
Trademarks
Sectors
Aeronautic/space
All industrial sectors
Artificial intelligence
Biology
Biotechnologies
Chemistry
Civil engineering
Computer science/IT
Cosmetics
Electricity/Electronics
Inorganic chemistry (electrochemistry, luminescent materials)
Life sciences/Pharmacy
Materials
Mechanics/Physics
Medical devices
Medical/MedTech
Medical/MedTech
Metallurgy
Nanotechnologies
Optics/Photonics
Organic chemistry, polymers
Recycling / eco-design products
Recycling/Eco-design products
Robotics/Autonomous Vehicles
Semiconductors
Smart grids
Sporting goods
Sporting goods
Telecoms/New technologies
Qualifications
Attorney-at-law (Avocat)
Belgian Patent Attorney
CAPA (Certificate to practice as as an attorney-at-law)
CAPA (French qualification for Attorneys-at-law)
CEIPI Diploma “Patent litigation in Europe”
Chartered Patent Attorney
Chinese Patent Attorney
Diploma from CEIPI
Diploma from CEIPI
European Patent Attorney
European Patent Litigator
European Patent Litigator Certificate (CEIPI)
European Patent Litigator Certificate (CEIPI)
European Trademark and Design Attorney
French Patent Attorney
French Trademark and Design Attorney
LLM in “International Legal Practice” (Bond University, Australia)
Master in Intellectual Property Law
Master in Intellectual Property Law
Master of Laws in “European Law” (Paris II – Panthéon-Assas University)
Master of Laws in “Industrial Property Law” (Paris XI - Paris Sud University)
Patentanwalt (German Patent Attorney)
Trainee Patent Attorney
UPC Representative
UPC Representative
US Patent Agent
Search
Pierre-Louis Désormière and François Delumeau are recognized among the “Best Lawyers” in the Best Lawyers 2025 ranking in France!