Matthew J. Clark

Matt is Counsel in the International Trade group.
Matt Clark, Counsel, ArentFox Schiff

His practice focuses on adversarial international trade proceedings, including antidumping and countervailing duty proceedings, and international arbitrations.

Client Work

Over the past 30 years, Matt has represented major international corporations, governments, and associations in matters arising under the international trade and customs laws of the United States, the WTO Agreements (and before it the GATT), the NAFTA, and other agreements.

Because these matters often result in appeals to national courts and bi-lateral and multi-lateral tribunals, including international arbitration panels, Matt also appears before the US Court of International Trade, the US Court of Appeals for the Federal Circuit, and NAFTA and other dispute resolution panels. Matt has also advised clients with respect to appeals taken by national authorities to WTO dispute panels and the WTO Appellate Body.

Significant recent engagements include:

  • The United States of America v. Canada, London Court of International Arbitration (LCIA 81010 and 81010B)(Counsel for the Government of Québec)(2011 and 2014)
  • The United States of America v. Canada, London Court of International Arbitration (LCIA 7941 and 91312)(Counsel for the Government of Québec)(2008 and 2009)
  • In the Matter of the Antidumping Duty Investigation of Xanthan Gum from the People's Republic Of China (A-570-985)(2013)
  • Lemon Juice from Argentina and Mexico (731-TA-1105-1106)(Review)(2013)
  • Tin- and Chromium-Coated Steel Sheet from Japan (731-TA-860)(2nd Rev.)(2012)
  • Certain Orange Juice from Brazil (731-TA-1089)(Review)(2012)

In addition to his extensive trade litigation experience, Matt advises clients on other import and export related issues. He represents clients in investigations, penalty proceedings, audits, and compliance assessments by the Bureau of Customs and Border Protection (formerly the United States Customs Service). He also provides advice and counseling in connection with classification, valuation, and country of origin issues.

Professional Activities

Matt holds memberships in the Customs and International Trade Bar Association, the American Society of International Law, and the International Section of the District of Columbia Bar.

Publications, Presentations & Recognitions

Matt has been recognized annually by Chambers USA as one of the nation’s leading trade remedies and trade policy lawyers. Matt has also been recognized as a leading WTO practitioner by Chambers Global. Matt serves on the Best Lawyers® Advisory Board and was identified as being among the top International Lawyers by U.S. News & World Report, Super Lawyers magazine. Matt is also recognized in The Best Lawyers in America, The Legal 500, Who’s Who Legal, and Who’s Who in American Law.

Recent Articles

  • “An Overview of Issues: Zeroing,” Georgetown University, International Trade Update, March 2011
  • “Helping Business and Regulation Work Together,” Inside the Minds: International Trade Law Best Practices (Aspatore Books); 2006
  • “Trade & The Environment: Law, Economics, and Policy,” Colorado Journal of International Law & Policy 6 (1) book review; (p.157)
  • “Regulating International Trade,” Global Law & Business; October 1995

Recent Speaking Engagements

  • February 2013, American University, Washington College of Law, Panelist, “2013 Federal Circuit panel Event – Market Distortion Without Markets: The GPX Case and New Trade Law”
  • April 2012, Georgetown University School of Law, International Trade Update, Panelist, “Year-in-Review”
  • March 2011, Georgetown University School of Law, International Trade Update, Panelist “Changes in Dumping and Subsidy Methodology”
  • June 2011, Sandpiper Partners and HSBC, Panelist, “The DC Legal Market 2011, More Opportunities & Greater Challenges
  • April 2011, Attorneys Liability Assurance Society (ALAS), Panelist, Practice Group Management Workshop



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