Best Lawyers in France for Privacy and Data Security Law
Cécile Théard-Jallu has developed in-depth expertise as an attorney in private practice representing multinational corporations, including major US and European firms and organizations in the R&D and healthcare sector (public or private research institutions, academics, pharmaceutical laboratories, biotechnology companies, medical equipment manufacturers, service providers, software or connected health platforms publichers, investors, competitiveness clusters, tech transfer ...
François Herpe is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law, Intellectual Property Law, Privacy and Data Security Law and Technology Law. François, 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 François is held by other top lawyers in the same geographic and legal practice area.
A specialist in digital law, Éric Le Quellenec has led several large-scale GDPR compliance and digital transformation programs for major French and international corporations. He advises both software providers and end-users on AI projects, combining risk management with accountability in usage—most tools used in the HR field being classified as high-risk under current regulations. For large-scale projects such as HRIS or talent and career management systems, he has taken on role...
Nicolas Courtier is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Nicolas, who practices law in Marseille, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicolas is held by other top lawyers in the same geographic and legal practice area.
Pauline Ducoin is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Privacy and Data Security Law. Pauline, who practices law in Lyon, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pauline is held by other top lawyers in the same geographic and legal practice area.
Jeanne BOSSI MALAFOSSE is head of the Personal Data Department and co-head of the Life Sciences Department. She has significant experience in personal data protection and various questions relating to life sciences, particularly in the area of health information systems.She assists organizations in the following subjects : compliance with personal data protection principles in all sectors preparation for Europe’s new General Data Protection Regulation regulatory framework of planned hea...
Merav Griguer is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law and Regulatory Practice. Merav, who practices law in Paris, France, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Merav is held by other top lawyers in the same geographic and legal practice area.
Marie-Hélène Tonnellier is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law, Information Technology Law, Intellectual Property Law, Media Law, Privacy and Data Security Law and Technology Law. Marie-Hélène, who practices law in Paris, France, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marie-Hélène is held by other top lawyers in the same geographic and legal practice area.
Benjamin May is a leading tech & IP attorney. He assists companies in complex litigation and transactions, on a cross-border basis. His majors are intellectual property, patents litigation, technology and data. He has leading sector expertise in financial services and fintechs, as well as in life sciences and healthcare. Benjamin is one of the creators of an AI risk management platform. Benjamin is regularly recognized in most international guides and rankings, including Legal 500 (Tradem...
Mathilde Croze is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law, Privacy and Data Security Law and Technology Law. Mathilde, who practices law in Paris, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mathilde is held by other top lawyers in the same geographic and legal practice area.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.