Bar Admission
  • Law Society of Ontario, 1996
  • Law Society of British Columbia, 1992
Education
  • LLB/JD, University of British Columbia, 1991
  • B. Comm. (Hons.), Finance, University of British Columbia, 1987
Professional Involvement
  • Founder and Editor-in-Chief, TradeLawGuide
  • Co-Founder and Advisor, InvestorStateLawGuide
  • Canadian Council on International Law
  • American Bar Association
  • Society of International Economic Law
  • American Society of International Law

Greg Tereposky is a founding Partner of Tereposky & DeRose. Acknowledged as a leader in his field, he is sought out by governments, industries and private corporations to handle their most complex international trade and investment treaty matters.

Greg is rated as AV® Preeminent™ by Martindale-Hubbell®, the highest legal rating as ranked peers, and is ranked in the top tier of trade and investment counsel by other publications.

In 2014, Greg was appointed as a panelist in the WTO dispute, European Union – Anti-Dumping Measures on Imports of Certain Fatty Alcohols from Indonesia. In 2021 he was appointed as a panelist in the NAFTA dispute, United States – Softwood Lumber Countervailing Duty.

He regularly appears as counsel before:

  • Investor-state arbitration tribunals
  • WTO Panels, arbitrators and, prior to its suspension in December 2019, the Appellate Body
  • Canadian domestic trade authorities and tribunals, including the Canada Border Services Agency (CBSA), Global Affairs Canada, Finance Canada and the Canadian International Trade Tribunal (CITT)

He has advised in international trade negotiations, including the NAFTA, Uruguay and Doha Rounds of WTO negotiations, and numerous bilateral and multilateral negotiations, and has been counsel and advisor to domestic and foreign industries, importers and exporters on the full range of issues under Canadian customs and trade law.

Greg is also the founder and Editor-in-Chief of Trade Law Guide (www.tradelawguide.com), a leading legal research database for WTO law, and he is a co-founder and advisor of Investor State Law Guide (www.investorstatelawguide.com), a leading legal research database for investment treaty law.

 

Investor-State Dispute Settlement

  • Greg Tereposky has acted as counsel in several investor-state arbitrations, including:
    • Access Business Group LLC v. United Mexican States (ICSID Case No. ARB/23/15)
    • Alicia Grace and others v. United Mexican States (ICSID Case No. UNCT/18/4)
    • Archer Daniels Midland Company & Tate & Lyle Ingredients Americas, Inc. v. United Mexican States (ICSID Case No. ARB (AF)/04/5)
    • B-Mex, LLC and others v. United Mexican States (ICSID Case No. ARB(AF)/16/3)
    • Cargill, Incorporated v. United Mexican States (ICSID Case No. ARB(AF)/05/2)
    • Carlos Sastre and others v. United Mexican States (ICSID Case No. UNCT/20/2)
    • Coeur Mining Inc. v. United Mexican States (ICSID Case No. UNCT/22/1)
    • Consolidated Water Coöperatief, U.A. v. United Mexican States (ICSID Case No. ARB/22/6)
    • Corn Products International, Inc. v. United Mexican States (ICSID Case No. ARB (AF)/04/1)
    • First Majestic Silver Corp. v. United Mexican States I, II & III (ICSID Case Nos. ARB/21/14, ARB/23/28, and ARB/21/14 & ARB/23/28 (consolidation))
    • Fotowatio Renewable Ventures S.L.U., FRV Solar Holdings III, S.L.U. and FRV Solar Holdings VI, S.L.U. v. United Mexican States (ICSID Case No. ARB/24/5)
    • GAMI Investments, Inc. v. United Mexican States (UNCITRAL)
    • Legacy Vulcan, LLC v. United Mexican States (ICSID Case No. ARB/19/1)
    • Lion Mexico Consolidated L.P. v. United Mexican States (ICSID Case No. ARB(AF)/15/2)
    • Odyssey Marine Exploration Inc. on their own behalf and on behalf of Exploraciones Oceanicas S. de R.L. de C.V. v. United Mexican States (ICSID Case No. UNCT/20/1)
    • Silver Bull Resources, Inc. v. United Mexican States (ICSID Case No. ARB/23/24)

WTO and RTA Dispute Settlement

  • He has appeared as counsel in numerous WTO disputes and proceedings, including:
    • China - Anti-Dumping and Countervailing Measures on Wine from Australia (DS602) (panel)
    • China - Anti-Dumping and Countervailing Duty Measures on Barley from Australia (DS598) (panel)
    • Australia - Anti-Dumping Measures on A4 Copy Paper (DS529) (panel)
    • United States – Measures Concerning the Importation, Marketing and Sale of Tuna and Tuna Products(DS381) (panel, appeal, Article 21.5 compliance panel, compliance appeal, Article 22.6 countermeasures arbitration, second Article 21.5 compliance panel, second compliance appeal)
    • United States – Certain Country of Origin Labelling(DS384, DS386) (panel, appeal, Article 21.5 compliance panel, compliance appeal, Article 22.6 countermeasures arbitration)
    • United States – Measures Affecting the Production and Sale of Clove Cigarettes(DS406) (appeal)
    • United States – Final Anti-Dumping Measures on Stainless Steel from Mexico(DS344) (panel, appeal, Article 21.3(c) arbitration, Article 21.5 compliance panel)
    • Mexico – Tax Measures on Soft Drinks and Other Beverages(DS308) (panel, appeal)
    • United States – Investigation of the International Trade Commission in Softwood Lumber from Canada(DS277) (panel)
    • Mexico – Measures Affecting Telecommunications Services(DS204) (panel)
    • United States – Continued Dumping and Subsidy Act(DS217, DS234) (panel)
  • Represented, and advised government, industry, and companies by coordinating with government lawyers, conducting legal analyses, preparing evidence and submissions, and developing strategies in the following WTO disputes and proceedings:
    • Canada – Export Credits and Loan Guarantees for Regional Aircraft (DS222)
    • Canada – Certain Measures Affecting the Automotive Industry (DS139, DS142)
    • Canada – Measures Affecting the Export of Civilian Aircraft (DS70)
    • Brazil – Export Financing Programme for Aircraft (DS46)
    • United States – Softwood Lumber II (GATT, Subsidies Code)
  • He has drafted submissions, prepared evidence and/or advised on specific matters, including:
    • Canada - Continued Suspension of Obligations in the EC-Hormones Dispute (DS321)
    • Canada – Measures Relating to the Feed-in Tariff Program (DS426)
    • Canada – Provisional Anti-Dumping and Countervailing Duties on Grain Corn from the United States (DS338)
    • China – Grants, Loans and Other Incentives (DS388)
    • China – Certain Measures Granting Refunds, Reductions or Exemptions from Taxes and Other Payments (MEX) (DS359)
    • China – Grants, Loans and Other Incentives (DS390)
    • China – Measures Affecting the Protection and Enforcement of Intellectual Property Rights (DS362)
    • Costa Rica - Measures Concerning the Importation of Fresh Avocados from Mexico (DS524)
    • European Union – Energy Package (DS476)
    • European Communities – Measures Prohibiting the Importation and Marketing of Seal Products (DS400, DS401)
    • European Communities – Export Subsidies on Sugar (DS265, DS266, DS283)
    • European Communities – Measures Affecting Asbestos and Asbestos-Containing Products (DS135)
    • European Communities - Measures Affecting the Approval and Marketing of Biotech Products (DS291, DS292, DS293)
    • European Communities - Measures Concerning Meat and Meat Products (Hormones) (DS26, DS48)
    • Mexico – Anti-Dumping Investigation of High Fructose Corn Syrup (HFCS) from the United States (DS101, DS132)
    • United States – Laws, Regulations and Methodology for Calculating Dumping Margins (“Zeroing”) (DS294)
    • United States – Measures Relating to Zeroing and Sunset Reviews (DS322)
    • United States – Measures Treating Export Restraints as Subsidies (DS194)
    • United States – The Cuban Liberty and Democratic Solidarity Act (DS38)
  • With respect to RTAs, he has:
    • Acted as counsel in state-to-state dispute settlement matters in RTAs, specifically those brought under NAFTA Chapter Twenty:
      • GMO Corn Measures Applied by Mexico (USMCA)
      • Tariffs Applied by Canada to Certain U.S. Origin Agricultural Products (CDA-USA-1995-2008-01)
      • Broom Corn Brooms (USA-MEX-1997-2008-01)
      • Cross-Border Trucking Services (USA-MEX-1998-2008-01)
    • Appeared as counsel before binational panels under NAFTA Chapter Nineteen:
      • Refined Sugar (AD) (CDA-95-1904-04)
      • Flat Coated Steel (AD) (MEX-USA-1994-1904-01)
      • Cut-to-Length Plate (AD) (MEX-USA-1994-1904-02)
    • Appeared as counsel before a binational panel under the Canada-US FTA Chapter Nineteen:
      • Canada – Gypsum (AD) (CUSFTA) (CDA-92-1904-01)
    • Prepared submissions in NAFTA binational panel review in Certain Malt Beverages from the United States of America (Injury) (CDA-95-1904-01)

Canadian Trade Remedy Proceedings

  • He has been representing clients in Canadian trade remedy proceedings (anti-dumping, countervailing duty and safeguards) since 1992, including:
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Expiry Review No. SUG 2020 ER (CBSA) and RR-2020-003 (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Interim Review No. RD-2020-002 (CITT)
    • Wheat Gluten from Australia, Austria, Belgium, France, Germany and Lithuania,Inquiry No. WG 2020 IN (CBSA) and PI-2020-003 (CITT)
    • Dry Wheat Pasta from Turkey, Re-investigation of the normal values, export prices and amounts of subsidy No. DWP 2019 RI (CBSA)
    • Sucker Rods from Argentina, Brazil and Mexico (Sucker Rods II), Inquiry No. NQ-2019-001 (CITT)
    • Certain Steel Goods, Safeguard Inquiry No. GC-2018-001 (CITT)
    • Liquid Dielectric Transformers from South Korea, Expiry Review No. TR 2017 ER (CBSA) and RR-2017-002 (CITT)
    • Dry Wheat Pasta from Turkey, Inquiry No. DWP 2017 IN (CBSA) and NQ-2017-005 (CITT)
    • Polyethylene Terephthalate Resin from China, India, Oman and Pakistan, Inquiry No. PETR 2017 IN (CBSA) and NQ-2017-003 (CITT)
    • Certain Fabricated Industrial Steel Components from China, South Korea and Spain, Inquiry FISC 2016 IN (CBSA) and NQ-2016-004 (CITT)
    • Concrete Reinforcing Bar from Belarus, Chinese Taipei, Hong Kong, Japan, Portugal, and Spain, Inquiry No. RB2 2016 IN (CBSA) and NQ-2016-003 (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Expiry Review No. RR-2014-006 (CITT), file nos. 4366-63 and 4366-64 (CBSA)
    • Oil Country Tubular Goods, Inquiry No. PI-2014-002 (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Re-investigation Nos. 4237-80, AD/1110, 4218-2, CVD-87 (CBSA)
    • Liquid Dielectric Transformers from South Korea, Inquiry No. 4214-35 (CBSA) and NQ-2012-001 (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Expiry Review (remand following successful judicial review of the CITT decision before the Federal Court of Appeal) No. RR-2009-003R (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Expiry Review No. RR-2009-003 (CITT), file no. 4366-27 (CBSA)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Re-investigation Nos. 4218-2, CVD/87 (CBSA)
    • Copper Rod from Brazil and Russia, Inquiry No. 4214-13, 4218-22 (CBSA) and NQ-2006-003 (CITT)
    • Laminate Flooring from China and Certain European Countries, Inquiry No. 4214-4, 4218-19 (CBSA) and NQ-2004-006 (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Expiry Review Nos. RR-2004-007 (CITT and CBSA)
    • Laminate Flooring from Austria, Belgium, China, France, Germany, Luxembourg and Poland, Inquiry No. 4214-4, 4218-19 (CBSA) and PI-2004-003 (CITT)
    • Wood Venetian Blinds and Slats from Mexico and China, Inquiry No. 4249-33 (CBSA) and PI-2003-003 (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Re-investigation Nos. 4237-80, AD/1110, 4218-2, CVD-87 (CBSA)
    • Flat Hot-Rolled Carbon and Alloy Steel Sheet and Strip from Brazil, Finland, India, Indonesia, Thailand, and Ukraine, Inquiry No. 4258-108, 4218-8 CV/89 (CBSA) and NQ-2001-001 (CITT)
    • Carbon Steel Welded Pipe from Argentina, India, Romania, Chinese Taipei, Thailand, Venezuela, and Brazil, Expiry Review No. 4366-3, AD/922/774 (CBSA) and RR-2000-002 (CITT)
    • Dishwashers and Dryers from the United States, Inquiry No. 4246-106 (CBSA) and NQ-2000-001 (CITT)
    • Grain Corn from the United States, Inquiry No. 4237-88 AD/1242, 4218-10 CV/91 (CBSA) and NQ-2000-005 (CITT)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands and the United Kingdom, Expiry Review No. RR-99-006 (CITT)
    • Hot-Rolled Carbon Steel Plate from Brazil, Finland, India, Indonesia, Thailand and Ukraine, Inquiry No. NQ-99-004 (CITT)
    • Gypsum Board from the United States, Expiry Review No. RR-97-004 (CITT)
    • Bicycles and Frames from China and Taiwan, Expiry Review No. AD 962, 4366-47 (CBSA) and RR-97-003 (CITT)
    • Machine Tufted Carpeting from the United States, Expiry Review No. 4366-6, AD/933 (CBSA)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands, and the United Kingdom, Inquiry No. NQ-95-002 (CITT), Investigation Nos. 4237-80, 4218-2, AD/1110 (CBSA)
    • Beer from the United States, Expiry Review No. RR-94-001 (CITT)
    • Fresh, Whole, Delicious, Red Delicious and Golden Delicious Apples from the United States, Inquiry No. 4237-79, 4237-80, 4218-2 (CBSA) and NQ-94-001 (CITT)
    • Gypsum Board from the United States, Inquiry No. NQ-92-004 (CITT)
    • Bicycles and Frames from China and Taiwan, Expiry Review No. AD 962, 4366-47 (CBSA) and RR-97-003 (CITT)
    • Machine Tufted Carpeting from the United States, Expiry Review No. 4366-6, AD/933 (CBSA)
    • Refined Sugar from the European Union, the United States, Denmark, Germany, the Netherlands, and the United Kingdom, Inquiry No. NQ-95-002 (CITT), Investigation Nos. 4237-80, 4218-2, AD/1110 (CBSA)
    • Beer from the United States, Expiry Review No. RR-94-001 (CITT)
    • Fresh, Whole, Delicious, Red Delicious and Golden Delicious Apples from the United States, Inquiry No. 4237-79, 4237-80, 4218-2 (CBSA) and NQ-94-001 (CITT)
    • Gypsum Board from the United States, Inquiry No. NQ-92-004 (CITT)

Trade Agreement Negotiations, Implementation and Interpretation

  • Advisor to the Government of Mexico on the NAFTA negotiations, including the negotiation of the environment and labour side agreements and related rules of procedure.
  • Advisor to governments and private sector stakeholders on the Uruguay Round of multilateral negotiations that led to the WTO and the Doha round of WTO negotiations.
  • Advisor on negotiation, implementation and/or compliance issues relating to a number of bilateral and plurilateral trade agreements, including: Canada-Chile, Canada-Israel, Canada-Costa Rica, Canada-Peru, Canada-European Free Trade Association, Canada-Colombia, Canada-Jordan, Canada-Panama, Canada-EU CETA, Canada-Central America, Canada-CARICOM, Canada-Dominican Republic, Canada-Ukraine, and Canada-Morocco.

Martindale-Hubbell

  • AV Preeminent® Peer Rated for Highest Level of Professional Excellence (2025)

JUS (Mundi) Connect

  • Powerlist: Top Arbitration Lawyers (Global) (2025)

Chambers Global

  • International Trade/WTO, Band 1 (since 2013)

Chambers Canada

  • International Trade/WTO, Band 1 (since 2016)

Who’s Who Legal

  • Trade & Customs: Global Leader (since 2006) and National Leader (Canada) (since 2010)

Best Lawyers in Canada®

  • International Trade and Finance Law (since 2006)
  • International Arbitration (since 2021)
  • Administrative and Public Law (since 2023)
  • Corporate and Commercial Litigation (since 2023)
  • Lawyer of the Year: International Arbitration (2025)
  • Lawyer of the Year: International Arbitration, (2023)
  • Lawyer of the Year: International Arbitration, (2021)
  • Lawyer of the Year: International Trade and Finance Law (2012 and 2016)

The Legal 500 Canada

  • Leading International Trade Lawyer (since 2014)

Canadian Lexpert Directory

  • Lexpert 500 (since 2018)
  • International Trade Regulations (since 2013)
  • Recognized in Lexpert Guide to the Leading U.S./Canada Cross-Border Litigation Lawyers in Canada, International Trade Regulations (since 2013)
  • Recognized in the 2018 and 2017 editions of Lexpert Guides, Best of the Best (Top 30 International Trade Practitioners Worldwide)

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