Gilles refined his skills by closely cooperating, for several years, with a specialized law firm, for the follow-up of litigation cases of Plasseraud IP (trademarks, designs and models, copyrights). Gilles then logically became a lawyer. He is registered with the Paris Bar. He remains on the list of persons qualified in the field of Industrial Property held by the INPI (defined by Article L.421-1 of the Code of Intellectual Property), and also retains its title of European Council in Trademarks and Designs and Community Models (from the OHIM). Gilles Ringeisen is a member of the APRAM (Association of Trademark and Model Law Practitioners).