Advertising Law Information Technology Law Intellectual Property Law Media Law Privacy and Data Security Law Technology Law
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Marie-Hélène Tonnellier
Recognized in Best Lawyers since 2020 
Firm
Oyat Avocats
5 Best Lawyers awards
Awarded Practice Areas
Biography
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.
Firm
Oyat Avocats
5 Best Lawyers awards
Overview
Client Testimonials
Awards & Focus
Named "Lawyer of the Year" by Best Lawyers® for:
- Information Technology Law, Paris, France (2024)
- Technology Law, Paris, France (2023)
Recognized in The Best Lawyers in France™ 2026 for work in:
- Advertising Law
- Information Technology Law
- Intellectual Property Law
- Media Law
- Privacy and Data Security Law
- Technology Law
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