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Work +1 613 236 3882
Fax +1 613 230 6423

Clifford Sosnow

Work +1 613 696 6876


Partner, Energy; Mining; Anti-Bribery and Corruption; Antitrust/Competition & Marketing; Corporate/Commercial; Corporate Social Responsibility Law; Government Relations & Ethics; International Arbitration; International Trade & Customs Law; Environmental


Partner, internationally recognized trade, investment and anti-bribery law advisor, strategist, litigator and advocate. Ranked among the best of the best as a leading trade law practitioner with the highest level of expertise by Canadian and international directories on anti-bribery law, export/import licensing compliance, sanctions, Cuba blocking law, investment treaty law, government contracts, dumping/ countervail investigations, customs compliance, and WTO law. Over 17 years of experience leveraging previous positions as counsel with Department of Foreign Affairs, Trade and Development, and Canadian International Trade Tribunal (CITT) to minimize enforcement risk. Seasoned advocate before CITT/WTO/NAFTA panels and government agencies and departments. Deputy Liaison Officer, ABA; Chair, Trade Committee, OECD business advisory committee (BIAC); Vice-Chair, Dispute Resolution and Arbitration Committee, Inter-Pacific Bar Association; Co-Chair, International Affairs Committee, Canadian Chamber of Commerce. Recipient Queen Elizabeth II Diamond and Golden Jubilee medals.


English French


Past Chair, Canadian Bar Association, International Law Section Executive, Ontario Bar Association, International Law Section Vice-Chair, Inter-Pacific Bar Association, Dispute Resolution & Arbitration Committee Chair Emeritus, Inter-Pacific Bar Association, International Trade Law Committee Chair, Advisory Board, Canada Europe Round Table for Business Executive, International Bar Association, Trade & Customs Law Committee Past Vice-Chair, Canadian Association of Importers and Exporters Co-Chair, Canadian Chamber of Commerce, International Affairs Committee Member, Transparency International (Canada), Legal Committee Member, Prospectors and Developers Association of Canada Chair, Business and Industry Advisory Committee to the Organisation for Economic Co-operation and Development Trade Committee Deputy Liaison Officer; Canada Committee; Steering Group, Export Control and Economic Sanctions Committee, American Bar Association International Bar Section Member, Customs and International Trade Bar Association Editorial Board, Kluwer Law International's Global Trade and Customs Journal Board Member, Ontario Division, Multiple Sclerosis Society, 2010-2012


LLB, 1985 University of New Brunswick BSc, Neurobiology, 1981 McGill University


International trade

Within: Leading individuals

Clifford Sosnow - FASKEN

Within: International trade

FASKEN houses a sophisticated and comprehensive trade practice, which shines in trade remedies, anti-corruption matters and trade agreements. Montreal-based co-head Peter Kirby was nominated to preside over a hearing under the Agreement on Internal Trade (AIT) relating to a dispute between the Province of Alberta and Artisan Ales. Clifford Sosnow jointly leads the team from Ottawa.

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Public procurement

Within: Public procurement

FASKEN shines in complex procurement litigation, such as Ottawa-based department co-head Peter Mantas’ advice to Bronson Consulting Group in a landmark case stemming from a cancelled procurement award. On the non-contentious side, Vancouver-based group co-lead David Little advised Interior Health Authority on the development of a new patient care tower at the Royal Inland Hospital in Kamloops. Toronto-based trade specialist Clifford Sosnow is also noted.

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