François Guay > Smart & Biggar > Montreal, Canada > Lawyer Profile

Smart & Biggar
SUITE 3300

Work Department

IP Litigation & Enforcement




François Guay is managing partner of Smart & Biggar’s Montreal office. He has over 35 years of in-depth IP litigation experience and is among the most experienced IP litigators in Canada. François has appeared before the Courts of Québec and the Federal Court of Canada, and his case work in Marlboro Canada Limited v Philip Morris Products SA and Bell Canada et al v 1326030 Ontario Inc dba et al. were both recognized with a “Milestone Case of the Year Award” from Managing Intellectual Property. Most recently, François was named Canada’s Trademark Litigator of the Year by Benchmark Canada and IP lawyer of the Year by Best Lawyers. He is also listed in The Canadian Legal Lexpert® Directory, Chambers Global and CanadaExpert Guides: Patents and Trade Marks, Benchmark CanadaThe Best Lawyers in CanadaWho’s Who Legal: Patents and TrademarksWho’s Who Legal: CanadaWho’s Who Legal: IP, IAM Patent 1000WTR 1000, World IP Review Leaders, and Managing Intellectual Property’s IP Stars Handbook: Trademarks. François is a Fellow of IPIC. Member of CBA, INTA and the International Wine Lawyers Association. LLL. Registered Trademark Agent. Called to the Québec Bar in 1982.


  • Fellow, Intellectual Property Institute of Canada
  • Member, International Trademark Association
  • Member, International Association for the Protection of Intellectual Property (AIPPI)
  • Member, European Communities Trade Mark Association
  • Member, International League of Competition Law (LIDC)
  • Member, Association des juristes pour le droit de la vigne et du vin
  • Member, Canadian Bar Association


University of Montreal, LL.L., 1981

Lawyer Rankings

Canada > Intellectual property

(Leading individuals)

François GuaySmart & Biggar

Smart & Biggar, a market leading IP boutique, leverages a vast domestic network which is spread across its offices in Ottawa, Montréal, Toronto, Calgary and Vancouver; it supports clients on the full suite of IP and technology services, with particularly formidable expertise in patent and trademark application filings, as well as IP litigation. François Guay chairs the firm’s IP strategies group from its Montréal office and has broad, high-level experience across patents, trademarks, industrial designs, copyrights and trade secrets. Sheldon Hamilton is a leading patent litigator, particularly noted in the pharmaceuticals industry, and heads the contentious offering. Life sciences is the focus for Nancy Pei, while Graham Hood is a standout name for trademark prosecution, notably sitting on the Canadian Anti-Counterfeiting Networks Steering Committee. Recent highlights have included several high-profile cases at the Federal Court of Appeal, most notably the successful defence of Pampered Chef in the precedent-setting trademark infringement case of Loblaws Inc v Columbia Insurance Company, a matter co-led by Mark Evans, Mark Biernacki and Ottawa-based Steven Garland. Named lawyers operate from Toronto unless otherwise stated.