Sarah Emily Firestone

Sarah is an associate practicing in Osler’s International Trade and Disputes Groups. She advises Canadian and multinational clients on a range of international trade matters, including trade remedy proceedings, customs and cross-border regulatory issues, economic sanctions, export controls compliance, and dispute settlement and negotiations under trade and investment agreements.

Sarah draws on her knowledge of international law as well as her disputes and risk management experience to provide valuable business advice to clients.

As a trusted advisor, Sarah’s experience includes representing clients in domestic and international commercial arbitrations, investor-state arbitrations, trade remedy proceedings, complex commercial and civil litigation, government and internal investigations, enforcement proceedings, and compliance and governance reviews. She has also served in a regulatory capacity on secondment to the Enforcement Branch of the Ontario Securities Commission, in the International Arbitration practice of a major global law firm in Paris, and has completed a summer clerkship at the Ontario Superior Court of Justice.

Sarah received her Juris Doctor from the University of Toronto, her Master of Science in Global Governance and Diplomacy from the University of Oxford, and Bachelor of Arts (Honours) in International Development Studies from McGill University. She also completed the Delos Advanced Oral Advocacy Training Program in International Arbitration and the Certificate in Public International Law at The Hague Academy of International Law, where she studied on scholarship.

The U.S. has imposed additional tariffs, modified the scope of certain existing tariffs and prohibited imports of certain Canadian goods.

We look at the latest round of U.S. and Canadian retaliatory tariffs and summarize the current landscape between the two countries.