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Office of Trade Remedy Compliance
Supporting U.S. companies facing foreign antidumping, countervailing duty and safeguard investigations and ensuring foreign governments comply with their international trade obligations

Canada Initiates Antidumping Duty Investigation into Oil Country Tubular Goods from the United States, Mexico, the Philippines, South Korea, and Türkiye

Canada Initiates Antidumping Duty Investigation into Oil Country Tubular Goods from the United States, Mexico, the Philippines, South Korea, and Türkiye 

On August 11, 2025, Canada’s Border Services Agency (CBSA) initiated antidumping duty (AD) investigations into imports of oil country tubular goods (OCTG) from the United States, Mexico, the Philippines, South Korea, and Türkiye. If an affirmative decision is issued in the investigation involving the United States, duties may be imposed on subject U.S. exports. On August 12, the Canadian International Trade Tribunal (CITT) initiated a preliminary injury inquiry to determine whether there is evidence that discloses a reasonable indication that the alleged dumping of the subject goods has caused injury or retardation or is threatening to cause injury.  

What is an antidumping duty investigation? 

An AD investigation assesses whether foreign goods imported into a country are being sold at less than fair value or below process or costs in domestic (i.e., being dumped) and whether this is causing or threatening to cause injury to the domestic industry. 

How can I participate in the investigation?

U.S. companies involved in the production, sale, or distribution of the subject goods should register as interested parties as soon as possible. Registration is the first step in protecting your rights in a foreign trade remedy proceeding. Doing so allows you to access the case record and submit information and comments, ensuring your views are considered. Please follow the instructions outlined on Pages 6-8 of the Initiation Notice for instructions on how to register as an interested party in this proceeding.   

KEY DATES
Period of InvestigationApril 2024 to March 2024
CBSA’s Statement of Reasons IssuedAugust 26, 2025
CITT Submissions by Parties Opposed to the Complaint September 9, 2025
CITT Replies from Complainants and Parties in Support of the Complaint September 16, 2025
Initial Questionnaire Response Deadline for U.S. RespondentsSeptember 17, 2025
CITT Preliminary Determination  October 9, 2025
CBSA Preliminary Determination*November 10, 2025
CITT Final DeterminationTBA
CBSA Final Determination*February 9, 2026

*Estimated

Products Under Investigation

The product subject to this investigation is OCTG comprised of certain steel casing pipes and tubes and used in various onshore and offshore oil and gas applications. For a full description of the merchandise under investigation and relevant Harmonized Tariff Schedule codes, please see the Initiation Notice.

Contact Us

The U.S. Department of Commerce’s Office of Trade Remedy Compliance supports U.S. companies facing foreign trade remedy proceedings (antidumping duty, countervailing duty, and safeguard actions) and ensures foreign governments comply with their international trade obligations. Should you have any questions, please contact TRCS@trade.gov. For more information, visit Office of Trade Remedy Compliance