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Clifford "Cliff" Sosnow

Dedicated international attorney.

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Clifford "Cliff" Sosnow is an attorney based in Toronto, ONTARIO. The practice focuses on International.

Based in
Toronto, ONTARIO
Experience
attorney
Known for
International
  • Handles International matters from Toronto, ONTARIO.
  • Recognized with Best Lawyers in America — International Trade and Finance Law (2026).

About Clifford "Cliff" Sosnow: Clifford "Cliff" Sosnow is an attorney based in Toronto, ONTARIO. The practice focuses on International.

Areas of practice

Practice focus

Clifford "Cliff" Sosnow represents clients across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Clifford "Cliff" Sosnow

Clifford Sosnow is the Chair of Fasken’s International Trade and Investment Group. He is an internationally recognized trade, investment and anti-bribery law advisor, strategist and advocate. He is ranked among the best of the best, a leading trade law practitioner by Canadian and international directories on anti-bribery law, export/import licensing compliance, national security reviews, controlled goods requirements and audits, economic sanctions, Cuba blocking law, dumping/countervail investigations and customs issues.

Clifford leverages his rankings as a leading practitioner to provide strategic advice to corporations, governments and industry associations. He is a seasoned advocate before Canadian trade regulators, government agencies and departments, and NAFTA and WTO arbitrators, but also issues opinions on complex cross-border matters including sanctions, export control and anti-bribery law and conducts anti-bribery, export control, national security and sanctions due diligence of sophisticated, high profile and high value M&A transactions. Clifford also regularly counsels clients to minimize their enforcement risk through sanctions and export control compliance audits and the development of best practice anti-bribery and trade controls internal policies.

Clifford Sosnow has over three decades of experience in advising clients on several of the key criteria Canadian regulators examine in conducting national security reviews of proposed acquisitions. These include the transfer of sensitive technology, the involvement of Defence Production Act and other controlled goods and technology and Canada’s defence capabilities and interest. Clifford has been invited to speak at conferences on the subject and has participated in proposed acquisitions raising Canadian national security issues.

Recognition

Awards & honors

  • Best Lawyers in America — International Trade and Finance Law

    2026

  • Best Lawyers in America — Special Focus:

    2026

  • Best Lawyers in America — White-Collar Criminal Defense

    2026

Locations

Office locations

Main office

333 Bay Street, Suite 2400

Toronto, Ontario

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Frequently asked

Common questions

  • What areas of law does Clifford "Cliff" Sosnow practice?

    Clifford "Cliff" Sosnow focuses on International.

  • Is Clifford "Cliff" Sosnow a verified attorney?

    Clifford "Cliff" Sosnow's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Clifford "Cliff" Sosnow?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 416-366-8381.