LERINS, an independent business law firm, is pleased to announce the promotion of Isaure Bouvier, a lawyer in the Health practice, to the position of Counsel.

In her role as Counsel, Isaure Bouvier will primarily focus on the development of services tailored to new professional practices, mainly targeting young healthcare practitioners and creators of health services.

Isaure Bouvier’s role within LERINS’ Health practice is broad. In Healthcare Corporate, she assists her clients (all healthcare stakeholders – health professionals, public and private healthcare establishments, healthcare industries, funds, etc.) throughout their internal and external growth operations. She also advises clients on healthcare regulatory law, specifically in determining how they operate within regulatory constraints and in their relationships with supervisory authorities, the National Health Insurance Fund (Caisse Nationale d’Assurance Maladie), and relevant professional bodies. Furthermore, Isaure assists clients on issues related to healthcare contractual law, including structuring their operations and defending their interests in both pre-litigation and litigation stages. In litigation, she also represents clients in disciplinary cases before professional jurisdictions.

LERINS has always valued internal promotion, recognizing and nurturing the talents within. For Luc Castagnet, partner in charge of LERINS’ Health practice, “this promotion is a well-deserved acknowledgment of Isaure’s unwavering commitment since joining the Lerins team in 2019, her dedication, and her in-depth expertise on all issues related to the healthcare sector.”

The firm’s Health practice, which includes three partners – Luc Castagnet, Bruno Lorit, and Bertrand Vorms – one Counsel and seven associates, covers all healthcare, medico-social, and new health technologies’ needs.

Currently, the firm comprises 13 partners, 5 Counsels, and 20 associates, offering a comprehensive business law service: Corporate – M&A, Litigation and Arbitration, Labor Law, Real Estate, Digital/IT, Intellectual Property, Real Estate, Health, managing complex and multidisciplinary cases.


Following her experience at the Commission for Conciliation and Compensation of Medical Accidents (2017) and the Health/Civil department of the Ginestie Magellan Paley-Vincent firm (2017-2019), Isaure Bouvier joined the LERINS Health team in February 2019. She possesses deep expertise on healthcare sector challenges, encompassing healthcare corporate, regulatory healthcare law, contractual healthcare law, and issues related to professional bodies and supervisory authorities. Isaure Bouvier assists project holders, practitioners, and creators of health services from inception to the management of their practice or activity structures.
Isaure holds a Master’s 2 degree in private law and has been registered at the Paris Bar since 2017.


The firm brings together over 50 individuals, including 40 business law attorneys, 13 of whom are partners leading teams recognized for their expertise. All partners share a common vision of client service: closeness, technical prowess, agility, and pragmatism. The team of 13 partners includes Laurent Bernet (Litigation & arbitration), Antoine A. Camus (Criminal Law), Luc Castagnet (Health), Mathilde Croze (IP/IT, Data & Tech M&A), Guillaume Jarry (Corporate), Laurent Julienne (Corporate), Bruno Lorit (Health), Bruno Martin (Litigation & arbitration), Arnaud Picard (Litigation & arbitration), Elsa Rodrigues (Litigation & arbitration), Laurent Ségal (Corporate), Johann Sultan (Employment) and Bertrand Vorms (Health).

As a full-service business law firm with an international reach, LERINS offers its clients – French and foreign companies (SMEs, ETIs, national and international groups, and start-ups) – a comprehensive legal and fiscal service in business law, managing complex and multidisciplinary cases. LERINS teams are renowned in areas such as healthcare law, Technology M&A, management packages, governance, conflicts among partners, support for start-ups, and major corporate entrepreneurship.


Sophie Bacqueville / BlueWall
Juliette Rohmer / BlueWall