Best Lawyers in France for Privacy and Data Security Law

Julie RUELLE is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Privacy and Data Security Law. Julie, 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 Julie is held by other top lawyers in the same geographic and legal practice area.

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...

Corinne Khayat has been a partner of UGGC Avocats since 2000, where she co-heads the Competition Law department. She regularly represents her clients before the courts and competition authorities and advises in all areas of French and EU competition law. She has particular experience in notifying mergers and joint ventures to the French Competition Authority. She handles proceeding before competition authorities. Corinne Khayat assists French and foreign clients, mostly large and medium size ...

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.

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 ...

Georgie Courtois focuses on all aspects of NTIC (computer law, internet-related matters, data protection, cryptology…), intellectual property (copyright, trademark and domain name infringement) and commercial law. He represents clients in complex litigation before civil, commercial and criminal courts and before supervisory authorities. He also assists clients with consultation, contractual drafting and negotiation. Georgie is passionate about technology. This special understanding of ...

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.

With more than 15 years of experience appearing before U.S., E.U., and French regulators, Sara has consistently guided clients through the intricacies of domestic and cross-border regulatory matters. Her practice encompasses advisory services, implementation, investigations, and disputes—most notably in the financial services and banking, health care, technology and new media, and telecommunications sectors.

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...

Romain Perray is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Privacy and Data Security Law. Romain, 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 Romain 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...

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.