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

A team which thrives in protecting, defending, obtaining and monetizing its clients’ IP, McCarthy Tétrault is geared to support on patent prosecutions and applications, all forms of relevant disputes, and the IP aspects of major M&A and private equity deals. Steven Mason is routinely engaged on litigious matters by leading technology, software, telecommunications and pharmaceutical players meanwhile Alfred Macchione, a fellow practice co-head, is distinctly well-versed in guiding early-stage business and start-ups on the protection and development of IP. Based alongside them in Toronto is Barry Sookman, a lawyer active on both the strategic advice and litigations, dispersing his expertise on copyright, internet, e-commerce and privacy law matters, as well as pharma, biologics, entertainment, software and telecommunications sector specialist, Fiona Legere. In Vancouver, Vincent Yip is a key port of all for acquisition, commercialization and enforcement affairs.