Cassidy Levy Kent (USA) LLP is based in Washington DC. Our lawyers are recognized worldwide as leaders in the field of international trade and investment law.  Our practice areas encompass trade policy and negotiations, trade remedy litigation, market access, customs, export controls, economic sanctions, and international dispute settlement.

Our litigators have argued numerous trade disputes before the U.S. government, in the federal courts in Washington DC and beyond, and before international bodies around the world. Our attorneys have participated in many of the most visible trade cases of the past several decades, and are conversant in virtually all aspects of international trade law.

Our prominent location in the nation’s capital positions us to effectively manage complex client issues at the intersection of law, politics, and business.


Cassidy Levy Kent (Canada) LLP is located in Ottawa, which is the nation’s capital and the seat of the Canadian federal government. Our lawyers have been recognized worldwide as leaders in the field of international trade and investment matters. Cassidy Levy Kent (Canada) LLP is one of only three Canadian firms to achieve the prestigious “Tier 1” ranking in Chambers and Partners 2018 survey of leading lawyers in the area of International Trade and WTO matters.

We have been involved in many of the highest profile Canadian, U.S., and international cases over the past two decades and have achieved a win-loss record in Canadian antidumping and countervailing duty proceedings on behalf of both domestic producers and exporters that is second to no firm in Canada.

Our lawyers provide sophisticated, practical advise across the spectrum of international trade issues. They have also briefed and argued numerous trade, investment, and procurement disputes before courts and international tribunals, including the WTO and the NAFTA, and have negotiated bilateral and multilateral trade agreements.