EY Société d'Avocats
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EY Société d'Avocats is home to a highly experienced healthcare and life sciences team whose practice spans an array of industries, including medical devices, biopharmaceuticals, health insurance and research. The practice group is co-led by seasoned partners Virginie Lefebvre-Dutilleul, Guillaume Pezzali and Caroline Mercier-Havsteen. Lefebvre-Dutilleul advises on a wide array of strategic advisory and regulatory issues, from designing regulatory roadmaps to supply contracts. Pezzali strengthens the firm’s M&A capabilities, while Mercier-Havsteen excels in domestic and cross-border litigation, with specific expertise in product liability matters in the pharmaceutical sector.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Virginie Lefebvre-Dutilleul showcases excellent responsiveness, highly specialized technical knowledge, and pragmatism.’
- ‘EY Société d'Avocats is one of the strongest law firms in the EY Law global network. It has a broad and deep team who have been there for many years and have a great understanding of the value of multi-disciplinary services.'
Key clients
- Octapharma
- Roquette
Work highlights
Advised a French regional health agency (ARS) on streamlining the radiology sector by coordinating over 30 radiology providers to enable the successful submission of a single establishment of medical licences (EML) application per geographical site.


