Arthur Escudier

Lawyer to the Paris Bar since 2006, Olivier Hayat practised in Parisian law firms specialising in IT, media and distribution law. In 2014, Olivier founded his law firm dedicated to digital and intellectual property law. Olivier practises information technology law, both in counselling and litigation, and focus his expertise on IT project negotiations, personal data (GDPR compliance and assistance to CNIL control) and also intellectual property and communication law. He has a diversified clien...

Anne-France Moreau is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Health Care Law. Anne-France, who practices law in paris, France, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne-France is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/delaunay-bertrand/ .

Laurent Ayache is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law, Public Law and Regulatory Practice. Laurent, who practices law in paris, France, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laurent is held by other top lawyers in the same geographic and legal practice area.

After having been Legal Director of a multinational group for many years, Julien Girard works in public business law, construction and real estate law in the context of major infrastructure projects, both in terms of advice and litigation, as well as in matters of Corporate Social Responsibility (CSR). His multidisciplinary training, his teaching activities as well as years of experience as legal director have enabled him to acquire very operational legal expertise, both with large industrial...

Gaëlle Saint-Jalmes is a top attorney recognized by Best Lawyers in the practice area(s) of Regulatory Practice. Gaëlle, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gaëlle is held by other top lawyers in the same geographic and legal practice area.

Gaëlle MERLIER is co-head of the Life Sciences Department. Gaëlle’s expertise spans advisory work on regulatory and contractual matters as well as the management of complex, serial litigation in commercial matters and health product liability. She also assists her clients during criminal investigations and in their dealings with the health authorities (particularly in the context of ANSM, DGCCRF, DDPP inspections, etc.). Furthermore, Gaëlle advises her clients on mergers-...

Maud Lambert is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law. Maud, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maud is held by other top lawyers in the same geographic and legal practice area.

Cyril Tour is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Regulatory Practice. Cyril, who practices law in Paris, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cyril is held by other top lawyers in the same geographic and legal practice area.

After he graduated from St Jean de Passy in Paris, Kiril Bougartchev studied at Université Paris II Panthéon-Assas. He has post-graduate diplomas in Business Law (Magistère) and in Tax Law (DESS). He first worked as an intern at l’Oreal in Paris and carried out several internships at renowned US law firms (Coudert Brothers, etc.) and securities brokers (Morgan, Olmstead, Kennedy & Gardner), before he started his career in 1988 as an auditor at Arthur Andersen. A...