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CO-CHAIR, INTERNATIONAL TRADE PRACTICE GROUPJoanne E. Osendarp advises and represents governments, industry associations, export credit agencies, and companies in international trade and investment matters, including countervailing duty, antidumping, and other trade remedy proceedings before the Department of Commerce and the International Trade Commission, as well as appeals to the Court of International Trade, the World Trade Organization, and panels under the U.S.-Mexico-Canada Agreement.Joanne has also represented governments in investment arbitrations, state-to-state arbitrations, and international trade negotiations. She has assisted the UK government in its negotiation of five free trade agreements, including the UK-Mexico, UK-India, and UK- Canada Agreements, as well as working with the UK on its accession to&nbsp;the Comprehensive and Progressive Agreement for Trans-Pacific Partnership.Joanne has distinguished herself in international legal circles as Canada’s principal U.S.-based lawyer in its high-profile, ongoing softwood lumber dispute with the United States, called the “biggest trade battle on the planet” by&nbsp;The Economist. Chambers Global recognizes her as having “Foreign Expertise in Canada.” She has been described by her clients as “a senior experienced trade lawyer of international repute blessed with superb judgment.”Prior to joining Blank Rome, Joanne served as chair of the International Trade practice and co-chair of the International Trade and Investment practice at various Am Law 100 firms. Prior to private practice, Joanne worked for the Government of Canada as senior counsel to the Department of Foreign Affairs and International Trade and the Department of Justice, and was lead counsel for all institutional issues relating to NAFTA, including subsidies and dumping, safeguards, and Section 301 actions. Joanne headed up Canada’s teams in the WTO Aircraft dispute with Brazil and all arbitrations arising out of the 1996 Softwood Lumber Agreement. She was also Principal Counsel for the Agreement on Internal Trade and Assistant Principal Counsel to Canada for the negotiation of the NAFTA.

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ADG False Claims Act

The BR International Trade Report: May 2026

The BR International Trade Report: April 2026

Trade Developments: CBP to Launch Phase 1 of IEEPA Tariff Refund Portal on April 20 While White House Revises Section 232 Actions

The BR International Trade Report: March 2026

Chambers Global 2026 Recognizes Blank Rome Attorneys and Practices

Supreme Court Overturns “Reciprocal” and “Trafficking” Tariffs Imposed Under IEEPA

The BR International Trade Report: February 2026

The BR International Trade Report: January 2026

The BR International Trade Report: December 2025

The BR International Trade Report: November 2025

International Bar Association Annual Conference 2025

The BR International Trade Report: October 2025

The BR International Trade Report: September 2025

Court of Appeals Rules That President Lacks Authority for Broad Tariffs

The BR International Trade Report: August 2025

New U.S. Tariff Rates Set to Take Effect on August 7, as Negotiations Continue

Blank Rome Assembles Cross-Practice Trade Enforcement Team Amid Increasing Government Investigations

New U.S. Tariff Rates Set to Take Effect on August 1, as Negotiations Continue

The BR International Trade Report: July 2025

The BR International Trade Report: June 2025

Blank Rome Attorneys and Practices Highly Ranked in The Legal 500 United States 2025

Chambers USA 2025 Recognizes Blank Rome Attorneys and Practices

Court of International Trade Sets Aside Presidential IEEPA Tariffs and Federal Circuit Postpones Nationwide Injunction

The BR International Trade Report: May 2025

The BR International Trade Report: April 2025

Liberation Day: President Trump Unveils Global, Reciprocal Tariffs – What You Need to Know

Tariffs, Trade Controls, and Foreign Investment: President Trump’s “America First” Agenda Takes Shape

The BR International Trade Report: March 2025

Chambers Global 2025 Ranks Blank Rome Attorneys and Shipping, Energy, International Trade, and Bankruptcy & Restructuring Practices

The BR International Trade Report: February 2025

President Trump Issues “America First Trade Policy”: Five Things to Know About Tariffs and More

The BR International Trade Report: January 2025

The BR International Trade Report: December 2024

The BR International Trade Report: November 2024

The BR International Trade Report: October 2024

The BR International Trade Report: September 2024

12 Blank Rome Attorneys to Attend IBA 2024 Annual Conference

The BR International Trade Report: August 2024

The BR International Trade Report: July 2024

Blank Rome Attorneys and Practices Highly Ranked in The Legal 500 United States 2024

The BR International Trade Report: June 2024

Chambers USA 2024 Recognizes Blank Rome Attorneys and Practices

The BR International Trade Report: May 2024

The BR International Trade Report: April 2024

The BR International Trade Report: March 2024

Chambers Global 2024 Ranks Blank Rome Attorneys and Shipping, Energy, and Bankruptcy & Restructuring Practices

The BR International Trade Report: February 2024

Blank Rome Attorneys and Practices Highly Ranked in The Legal 500 United States 2023

Chambers USA 2023 Recognizes Blank Rome Attorneys and Practices

Litigation

International Trade

Tariffs, Trade Remedies & Trade Negotiation

Business Litigation

Cross Border / International

Internal Investigations

False Claims Act Investigations & Defense

Government Relations & Political Law

Cross Border M&A

Trade Enforcement

<ul>
<li>Representing the Government of Canada in the countervailing duty, antidumping, and injury cases concerning Softwood Lumber from Canada, and related World Trade Organization, North American Free Trade Agreement, U.S-Mexico-Canada Free Trade Agreement, and Court of International Trade appeals.</li>
<li>Represented the Government of the United Kingdom in its negotiation of five free trade agreements, including the U.K.-Mexico, U.K.-India, and U.K.-Canada Agreements, and assisting with the U.K.’s accession to the Comprehensive and Progressive Agreement for Trans-Pacific Partnership.</li>
<li>Representing the Government of Canada in the countervailing duty and antidumping cases involving Wind Towers from Canada.</li>
<li>Represented Export Development Canada in fabricated structural steel from Canada and 100-150 seater civil aircraft from Canada.</li>
<li>Represented the Colombian Federation of Biofuels in the countervailing duty investigation of Ethanol from the United States.</li>
<li>Represented the Government of Canada in the countervailing duty investigation of Supercalendered Paper from Canada, and related World Trade Organization and North American Free Trade Agreement appeals.</li>
<li>Represented the Government of Mexico in the investigation of Sugar from Mexico.</li>
</ul>

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Joanne E. Osendarp

Joanne E. Osendarp

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