Fieldfisher
We are only able to display limited information for this firm. We display more complete information for all of the following firms:
Fieldfisher is home to a highly experienced healthcare and life sciences team, catering to clients across the biocontrol, digital health, pharmaceutical and medtech sectors. The firm’s work covers transactional, regulatory, and contentious matters, ranging from involvement in AI-driven clinical research to complex pharmaceutical litigation and M&A transactions. Leading the team, Olivier Lantrès is well known in the market for litigation in highly regulated sectors. Nathalie Hadjadj-Cazier stands out for her strategic advice on, and defence of, IP rights. Marguerite Brac de la Perrière left the firm in March 2026.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Marguerite Brac de la Perrière is innovative, available, responsive, diplomatic, and an expert in her field.’
- 'Skill, availability and responsiveness.'
Key clients
- Sumitomo (Philagro France)
- Suterra Europe Biocontrol S.L.
Work highlights
Represented Philagro France and Suterra Europe Biocontrol S.L. in two high-profile administrative litigation cases before the French courts against ANSES, challenging the agency’s refusal to grant or renew marketing authorisations for key phytopharmaceutical and biocontrol products.