75008 PARIS
Display phone number 01 56 59 76 76
Guillaume Marchais
Emmanuelle Limouzy
Philippe Martini-Berthon
Marine Le Bihan-Journé
Laurine Fageot


Created in 2001 from the previous expertise of its founders, the boutique firm MARCHAIS & Associés is a human sized law firm entirely dedicated to advising, prosecution and litigation in the field of intellectual and industrial property law, offering to its clients a real and close partnership.

MARCHAIS & Associés now comprises 10 people including 5 lawyers, some being former Trademark Agents, and 5 experienced paralegals, with both a prosecution department and a litigation department within a single structure, creating then a real synergy for the protection and defense of the IP rights of their clients worldwide.


  • Prosecution

    - Clearance searches, trademark and design filing strategies worldwide, management of examination and registration  proceedings and deadlines

  • Legal and pre-contentious advice

    - Consultations on IP rights (trademarks, designs, copyright), oppositions in France and worldwide, cease and desist letters, due diligence

  • Litigation

    - Trademark,  patent,  design  and copyright infringement actions, unfair competition actions, customs actions, UDRP and other domain names proceedings

    - Arbitration, mediation

  • Negotiation and contracts

    - Main IP related contracts (assignments, licenses, coexistence agreements) and their recordal

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