Partner; French Patent Attorney; European Patent Attorney
With eight offices across France and five international offices in Shanghai, Prague, Alicante, Madrid, and Munich, Plasseraud IP fields a sizeable and diverse team of attorneys, including several qualified in foreign jurisdictions, amplifying its capacity to cater to a varied client base. Leveraging this global presence, the practice serves some of the world’s largest corporations alongside regional and local organisations across industry sectors including mechanics, electronics, information sciences, life sciences, and chemistry. Co-led by Eric Burbaud, an expert in mechanics and electronics; Guylène Kiesel le Cosquer, a specialist in trademarks and intangible assets; Bertrand Loisel, a specialist in infringement and opposition; and Cyra Nargolwalla, who is experienced in handling opposition and appeals before the EPO for biotech and pharmaceutical clients, the team offers comprehensive support including drafting and negotiating IP license agreements, IP filings and registrations, and engaging in opposition proceedings.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'The Plasseraud IP teams are made up of specialists who are passionate about their profession; for patents this applies both scientifically and legally. They are very available to their clients and are keen to understand their needs, the company's objectives and the challenges that their intellectual property (IP) portfolio represents for them. Plasseraud IP is always well aware of changes in laws and even anticipates them. Its participation in national and international IP congresses helps it remain at the forefront of new practices in the profession.'
- ‘Plasseraud manages all areas of IP law, and has offices all over France, Alicante, Germany and Asia. This makes it possible to work with them in different jurisdictions at the same time Their attorneys and paralegals are very responsive and efficient. They have knowledge in all areas of technology once you need patent protection in Europe.’
- ‘I highly recommend Guylène Kiesel Le Cosquer, the Managing Partner of Plasseraud IP. Her exceptional leadership has set an extraordinarily high standard for the quality of work and a keen focus on meeting the precise needs of her clients' businesses. Her significant contributions to the IP industry, particularly in France, have established her as a highly respected and well-connected figure, not only domestically but also on the international stage. Collaborating with Guylène and her team provides invaluable access to exceptional resources and support.’
- ‘High level of expertise, particularly in new technologies. High quality of partners and collaborators.’
- ‘Patrick Boyle is a great litigator and advocate of bringing the UK/French relationships together. He is responsive and quick to offer solutions.'
- ‘Sandrine Bouvier-Ravon is highly skilled, approachable, responsive and very reliable. It is a pleasure working with her.'
- ‘We have been working with Plasseraud for years and I consider that their services provided are with the highest quality, giving complete and specific opinions. I would like to remark on the exceptional dedication and commitment that the firm has to their clients and how well prepared their members are to deal with their client's needs. Their Trademark Practice is outstanding and always provide us with solutions and high standards. They offer accessible prices and personalized attention. Best option in France.’
- 'Their diverse and talented team and forward-looking solutions make them a top choice for potential clients. I have full confidence that anyone seeking their services would be impressed by these strengths.’
Key clients
- AEROSPACE & DEFENSE
- Exotrail
- AGRIFOOD, FOOD & BEVERAGE
- Bonduelle
- Mc Cain
- Nutriset
- SPH – Gérard Bertrand
- Mauro Colagreco
- CONSUMER GOODS & RETAIL
- Maped
- The Procter & Gamble Company
- Henri Selmer
- CONSTRUCTION & INFRASTRUCTURES
- Bolloré
- CONSULTANCY, FINANCIAL & LEGAL SERVICES
- AFNOR
- Conseil National Des Barreaux (CNB)
- Crédit Mutuel
- IFOP
- ENERGY & RENEWABLES
- Ecolab
- FASHION, COSMETICS & LUXURY
- Cyrillus
- Nabilla Beauty
- New Balance
- Petit Bateau
- Tape A L’oeil
- Kadalys
- Les Secrets de Loly
- HEALTHCARE & LIFE SCIENCES
- Biomerieux
- Biontech
- Boiron
- Essilor
- Imcheck Therapeutics
- Institut Pasteur
- Mnemo Therapeutics
- Robocath
- Roquette
- Sanofi
- Sartorius
- Urgo
- Withings
- Mérieux Nutriscience
- IT
- Crime Science Technology
- Havr
- MATERIALS & CHEMISTRY
- Chryso
- Edilians
- Minakem
- Siliconix Technology
- SPORT, ENTERTAINMENT & MEDIA
- Ligue De Football Professionnel
- LOSC
- Paris Saint Germain
- Stade Toulousain
- TRANSPORT & MOBILITY
- Facel Vega
- Gyrolift
- Mavic
- Norauto
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
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Partner; French Patent Attorney; European Patent Attorney
Partner; French Trademark and Design Attorney; European Trademark and Design Attorney
Practice head
The lawyer(s) leading their teams.
Eric Burbaud, Guylène Kiesel le Cosquer, Bertrand Loisel, Cyra Nargolwalla ,