Specialising in patent matters related to life sciences, medtech and AI-driven innovation, ICOSA delivers investor-focused IP strategies for start-ups and scale-ups. Caroline de Mareüil-Villette leads patent valuation and fundraising due diligence, while Claire Verschelde covers biotech prosecution and opposition work. Virgile Grandclaude is a key contact for clients from the chemical industry.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Working with the ICOSA team has been a fantastic experience. The team is highly knowledgeable, approachable and responsive. ICOSA makes complex matters straightforward and stress-free. We see them as a true partner we can rely on, and their support has been invaluable.'
- ‘The team at ICOSA stands out for its combination of technical depth, commercial awareness, and client-focused approach. What makes the practice unique is the balance it strikes between high-level strategic IP advice and practical, business-oriented solutions.'
- ‘The individuals I work with at ICOSA distinguish themselves through their technical mastery, strategic judgment, and personal commitment to client service. They consistently demonstrate an ability to translate complex legal and scientific issues into practical, commercially relevant advice.'
- ‘In my opinion, the main strength of the ICOSA team is their responsiveness and professionalism: quick, high-quality responses delivered with a supportive, non-commercial approach. This demonstrates their genuine interest in science.'
- ‘Really great trademark prosecution services, especially relating to oppositions.’
Other key lawyers
Caroline De Mareuil-Villette; Claire Verschelde; Virgile Grandclaude; Manon Bonneton; Laurence Riviere