Martha Harrison > 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

International Trade/WTO


Partner in the International Trade and Investment Law group, specializes in international trade and customs law, product marketing and advertising regulatory law, procurement law, and international arbitration. International trade practice includes customs law, anti-dumping and countervail issues, import and export controls, trade facilitation and advising, foreign investment. Has participated in all stages of trade remedy disputes before the Canada Border Services Agency and the Canadian International Trade Tribunal, including inquiries, expiry reviews, as well as China-specific and global safeguards. Acted for investors in numerous investor-state arbitrations. Regulatory law practice involves advising on international and domestic requirements regarding product and supply chain regulation, and key strategies for accessing and compliance and scoping opportunities in new markets. Expertise in specially regulated products.

Ranked in The Legal 500, The Canadian Legal Lexpert Directory, Expert Guides, Who’s Who Legal, Best Lawyers in Canada and Lexpert.


Ontario Bar, 2002.


ABA, IBA, Chair of the Board of Toronto Chapter – Canada Eurasia Russia Business Association, Member of Board – Defence Ontario.


Serves as a member of the binational panels roster under the Canada-United States-Mexico Free Trade Agreement (CUSMA). Former adjunct professor of international arbitration at Queen’s University and MBA sessional instructor at DeGroote School of Business.

Lawyer Rankings

Canada > International trade

(Leading individuals)

Martha HarrisonMcCarthy Tétrault

One of the few national firms with a full-service international trade practice, McCarthy Tétrault combines strength in anti-corruption matters alongside expertise in more traditional trade spheres, including sanctions, import and export controls and trade disputes. Litigator John Boscariol spearheads the Toronto-based department and covers the waterfront on foreign trade and investment law. Among his recent cases, Boscariol acted for CGC in requesting an interim review of the Canadian International Trade Tribunal (CITT)’s imposition of antidumping duties in relation to gypsum wallboard imported from the US into Western Canada, and in seeking a review of the CITT’s decision in the first dispute ever to be launched under the US-Mexico-Canada Agreement (USMCA). Martha Harrison is also a key contact and specializes in international trade and product regulatory law, with extensive experience in complex trade disputes. The team also includes newly promoted partner Carmen Francis and international trade and procurement specialist Robert Glasgow.