Steven Mason > McCarthy Tétrault > Toronto, Canada > Lawyer Profile

McCarthy Tétrault
66 Wellington Street West
Suite 5300, TD Bank Tower Box 48
Toronto ON M5K 1E6

Work Department

Intellectual Property: Litigation; Life Sciences: IP/Patent Litigation


Chair of the firm’s National Intellectual Property Litigation Group. Acted as lead trial and appellate counsel in a broad range of IP cases in Ontario, British Columbia, in the Federal Courts and in the Supreme Court of Canada. Also practised IP Litigation in the United States (Cal.). Adjunct Professor at Osgoode Hall Faculty of Law; teaches Intellectual Property Law.


Ontario Bar, 1994; State Bar of California, 2001.


Fellow, Litigation Counsel of America

Lawyer Rankings

Canada > Intellectual property

(Leading individuals)

Steven MasonMcCarthy Tétrault

Strategic, responsive and thorough‘, McCarthy Tétrault‘s IP group is perhaps best known for handling patent infringement, copyright and regulatory disputes. The practice group is most active in the areas of pharmaceuticals, telecoms and oil and gas. Group co-chair Steven Mason has a strong record in complex disputes; senior counsel Barry Sookman specializes in IP and IT litigation and arbitration, and has expertise in copyright and anti-piracy matters; and practice co-chair Alfred Macchione has extensive experience of the prosecution and management of patent and trademark portfolios. Named lawyers are based in the firm’s Toronto office.