Guillaume Lavoie Ste-Marie

Guillaume Lavoie Ste-Marie is a Principal in Smart & Biggar’s Montréal office. He is a copyright, patent, and trademark litigator trusted by clients to provide practical and results-driven litigation strategies in complex IP matters. He has been involved in all aspects of intellectual property litigation before the Federal Court, Federal Court of Appeal, and Superior Court of Quebec. He has experience managing large-scale, multi-party litigation and 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 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. He is frequently involved in the protection and enforcement of protected geographical indications (Appellations d'Origine Controlee) in Canada. He is ranked in The Best Lawyers in Canada, The Legal 500 Canada, and World IP Review Leaders. He is a member of IPIC, CBA, and IPO. He holds a BCom (finance, with great distinction) and BCL/LLB. He is a registered trademark agent. He was called to the Quebec bar in 2014.