Intellectual property: Patent and trade mark attorneys

Plasseraud IP

Plasseraud IP retains its position as a market leader with an extensive practice that covers a vast array of sectors, including fashion, entertainment, sports, transport, aerospace, healthcare, life sciences, construction, infrastructure and energy. The extensive team is led by a quartet of experienced lawyers: Éric Burbaud, Guylène Kiesel Le Cosquer, Bertrand Loisel and Cyra Nargolwalla. Burbaud is qualified in France and the Czech Republic and leverages his experience across a host of matters. Loisel is a seasoned patent expert in the IT, telecoms and construction industries, whilst Nargolwalla has significant expertise in life sciences and chemistry-related patents. Nathalie Wajs and Philippe Picard are also recommended.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

'Plasseraud IP has a diverse team of experts, both in terms of areas of knowledge and in terms of background, origins and gender. I highly value their practical business focused approach, and their adaptability to the needs of their clients.'
'Guylène Kiesel Le Cosquer has an acute business focus and is a great communicator and negotiator. All of that coupled with her knowledge on IP and related areas make her a go-to person for important and sensitive issues. Frédéric Glaize is a recognized expert in terms of design law, but he also gives great advice on trade marks. I highly value his business approach to IP. Gilles Ringeisen is for me one of the best IP litigators in France. Not only does he know all the case law by heart, his oral and written skills are amazing.'
'Plasseraud IP stands out for its deep expertise in managing complex IP matters across multiple jurisdictions, particularly in Europe. We value their tailored, strategic approach and the team's ability to blend technical knowledge with practical business solutions. Their strengths include a collaborative work culture, flexible billing options, and a commitment to diversity, ensuring varied perspectives in problem-solving.'
'Excellent reputation compared to its competitors as to the quality of its experts. Very close to its clients (try to seek to understand the strategy) and ability to adapt according to its clients.'
'Nathalie Pacaud - excellent knowledge of her client's brand portfolio and always looking for the best strategy to adopt.'
'Plasseraud is one of the strongest IP firms in Europe. Under the leadership of Guylène Kiesel Le Cosquer, the firm provides an excellent service in trade marks, design and patent law.'
'Guylène Kiesel Le Cosquer demonstrates extraordinary leadership both within the firm and in the IP attorney community. Her leadership makes working with her team a highly efficient and effective experience.'
'The Plasseraud IP team stands out due to the exceptional expertise and dedication of individuals like Patrick Boyle and Laurent Nowak, whose deep understanding of IP law and strategic thinking consistently deliver outstanding results for us. Their ability to navigate complex legal landscapes, coupled with strong communication skills, fosters trust and collaboration with us. This combination of expertise, client-centric focus, and a commitment to excellence sets their team apart from competitors and is highly valued by us.'

Key clients

Exotrail
Bonduelle
Mauro Colagreco
McCain
Nutriset
SPH – Gérard Bertrand
Maped
Henri Selmer
The Procter & Gamble Company
Bolloré
AFNOR
Conseil National Des Barreaux (CNB)
Crédit Mutuel
IFOP
Ecolab
Cyrillus
Kadalys
Nabilla Beauty
New Balance
Petit Bateau
Les Secrets de Loly
Tape A L’oeil
Biomerieux
Biontech
Boiron
Essilor
Imcheck Therapeutics
Institut Pasteur
Mérieux Nutriscience
Mnemo Therapeutics
Robocath
Roquette
Sanofi
Sartorius
Urgo
Withings
IT
Crime Science Technology
Havr
Chryso
Edilians
Minakem
Siliconix Technology
Ligue De Football Professionnel
LOSC
Paris Saint Germain
Stade Toulousain
Facel Vega
Gyrolift
Mavic
Norauto

Work highlights

Assisting the biotech InBrain Pharma in the protection strategy of their innovative treatment of neuro-degenerative diseases.
Assisting Lactips on their intellectual property strategy, including patent and trademark aspects.
Assisting French mechanical engineering company Fives in its claim at the UPC for the damages based on a previous patent infringement ruling against Reel from Düsseldorf regional court.