Canada’s Intellectual Property Law Firm

Guillaume Lavoie Ste-Marie

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Guillaume Lavoie Ste-Marie

Senior Associate
  • Smart & Biggar LLP
Barrister and Solicitor
  • Trademark Agent
English | French

Results-driven IP strategy and litigation

Guillaume is a copyright, patent, and trademark litigator who is trusted by his clients to put in place practical and results-driven litigation strategies in complex IP matters. By devoting the time and energy necessary to fundamentally understand their business, Guillaume can develop efficient and creative approaches to leverage litigation in his clients’ favour.

Guillaume represents local, national and international clients in a diverse array of industries, including motion picture and other media, broadcasting, retail goods, personal care products, sports equipment, food and beverage, and industrial products.

Adept in complex, large-scale litigation cases and contentious trademark matters

In addition to being involved in all aspects of intellectual property litigation before the Federal Court, the Federal Court of Appeal and the Superior Court of Québec, Guillaume has particular experience in managing large-scale, multi-party litigation and in seeking and executing complex extraordinary remedies such as Anton Piller orders, interim and interlocutory injunctions, Mareva injunctions and contempt orders before the Federal Court in copyright and patent matters.

His practice also includes contentious trademark prosecution matters such as trademark oppositions and summary cancellation proceedings, both in first instance before the Trademarks Opposition Board and on appeal. Guillaume is frequently involved in the protection and enforcement of protected geographical indications (Appellations d’Origine Contrôlée) in Canada. 

Guillaume is the president and a member of the Board of Directors of the Montreal Artists Legal Clinic/Clinique juridique des artistes de Montréal (CJAM), a charitable non-profit organization that provides free legal information to artists in Montreal.

Qualifications

  • News
  • Speaking
  • Industry Involvement
  • In the Media

Memberships

  • Associate, Intellectual Property Institute of
  • Member, Association du Jeune Barreau de Montréal
  • Member, Canadian Bar Association