Sheldon Hamilton > Smart & Biggar > Toronto, Canada > Lawyer Profile

Smart & Biggar
York Street

Work Department

Pharmaceutical Litigation




Sheldon Hamilton is one of Canada’s leading patent litigation lawyers. For twenty years, Sheldon has acted as counsel for many of the world’s most innovative companies, successfully protecting their commercially valuable IP assets. He is a partner in Smart & Biggar’s Toronto office and leads the firm’s Litigation Practice Group.

Sheldon has extensive trial experience focusing on issues of patent infringement and validity and damage quantification. He’s praised by clients as a “pharma whiz” for his expertise in pharmaceutical litigation, appearing as both trial and appellate counsel, including in proceedings under the Patented Medicines (Notice of Compliance) Regulations.

Sheldon is consistently recognized by prestigious Canadian and international publications, includingLexpert® Guide to the Leading US/Canada Cross-Border Litigation Lawyers In CanadaBenchmark CanadaThe Best Lawyers in CanadaWho’s Who Legal: CanadaWho’s Who Legal: PatentsWho’s Who Legal: Life Sciences, LMG Life SciencesIAM Patent 100, Chambers, Euromoney Expert Guides, WIPR Leaders, The Legal 500 and Managing Intellectual Property’s IP Stars Handbook: Patents. He also writes and speaks on intellectual property issues and is actively involved with professional organizations. He is a Fellow of IPIC and a member of AIPPI. BASc (Chemical Engineering); LLB (Toronto). Registered Patent and Trademark Agent.


  • Fellow, Intellectual Property Institute of Canada; former member of the Litigation and Forums & Seminars Committees
  • Member, International Association for the Protection of Intellectual Property (AIPPI); member of Amicus Brief Committee (Q. 221)
  • Member and Former Director, The Advocates’ Society; Former Vice Chair, Finance and Audit Committee


Ontario Bar, 1992
Registered Patent Agent, 1996
Registered Trademark Agent, 1995
University of Toronto, LL.B., 1990
University of Toronto, B.A.Sc. (Chemical Engineering), 1987

Lawyer Rankings

Canada > Intellectual property

Smart & Biggar is Canada’s leading IP and technology boutique, leveraging over 130 years in the market and five offices nationally. In Toronto, Mark Evans is a star name for trademark protection, management and counselling, also enjoying a track record in precedent setting disputes, whereas Nancy Pei is a market leader for pharmaceutical patents and litigation, as well as operations within the life sciences sector; the duo are based alongside Matthew Zischka, the firm’s managing partner, Sheldon Hamilton, who leads the litigation group, as well as Mark Biernacki, an up-and-coming partner for all-manner of disputes, including trademark, copyright, patent and industrial design proceedings within the higher courts. The Ottawa office is home to firm chair, Daphne Lainson, as well as Elliott Simcoe who leads the patents, electrical and mechanical group, and Steven Garland who has undertaken all-manner of critical disputes for names such as Amazon, McDonald’s and Shell. François Guay serves as chair of the IP strategy group, operating from the Montreal office, and has notably provided representation in over 100 jurisprudence cases including those with patent, industrial design and copyright elements.