Alexandre Tessonneau


Alexandre Tessonneau supports French and international companies in their projects relating to digital transformation and innovation, both in an advisory capacity and in litigation. He accompanies clients in drawing up and negotiating IT and commercial contracts, on regulatory issues in the digital sphere and on intellectual property matters. A significant portion of his activities is dedicated to data and data evaluation (personal data, e-privacy, open data…) in the context of compliance programmes or launching innovating products and projects.
Alexandre previously worked in the legal department of a listed digital services company. He then practiced as an attorney in reputed Parisian IT teams, while retaining a strong connection with in-house practitioners, including through several secondments with clients in the consulting, banking and secure identity solutions sectors. This experience allows him to bring his legal expertise to bear as a genuine partner for our clients, with an acute sensitivity to their business needs and requirements.


  • “Solid Reputation” for IT, software & digital projects, Décideurs juridiques 2021
  • “Solid Reputation” for Internet law, Décideurs juridiques 2021

Other activities

Alexandre Tessonneau is a member of the International Association of Privacy Professionals (IAPP) and of the French Association of Personal Data Protection Correspondents (AFCDP). He has contributed to the works of the INTA, of ITECHLAW and of the Association for the development of legal computer science (ADIJ).


  • IT Contracts
  • Commercial Contracts
  • Personal Data Protection
  • Internet Law / E-commerce
  • Intellectual Property Law


  • Certified Information Privacy Professional / Europe, IAPP
  • Master 2 Degree in Intellectual Property and Emerging Technologies, CUERPI, Grenoble Alpes University
  • Master 1 Degree in International Law, Panthéon-Sorbonne Paris 1 University


  • French
  • English