Gwénaël TOUSSAINT joined LAVOIX in 2005, as an Industrial Property Attorney in the trademarks and models Department of the Lyon office, after starting out in a law firm, then a renowned luxury company.

Practice areas

Trademark and Design prosecution

Trademark and Design litigation


Domain names/internet

Unfair competition



Due diligence

Professional Admissions

French Industrial Property Attorney

European Trademark and Design Attorney


  • Postgraduate degree in Agreements and Intellectual Property, 2004
  • Master in Business Law, 2003

Professional Experience

Gwénaël works both nationally and internationally on protection, defence and leveraging strategies for trademarks, designs and models, copyrights and domain names, as well as in global management for trademark and model portfolios, drafting and negotiating contracts, pre-litigation procedures and audits, in fields as diverse as the pharmaceutical industry, the luxury industry and sports.


Gwénaël is a member of the AIPPI (International Association for the Protection of Intellectual Property) and the GRAPI (Groupe Rhône-Alpes pour la protection de la Propriété Intellectuelle [Rhône-Alpes Group for the Protection of Intellectual Property]). He is also a Master 2 lecturer at the Université Lumière Lyon 2.

  • Palmarès du Droit
  • Le Point et Statista
  • Managing IP
  • Managing IP
  • WTR 1000
  • Décideurs
  • Legal 500
  • IAM Patent 1000
Logo ISO UKASCertification ISO 9001:2015 applicable to all the IP attorney activities and for all its offices.