U.S. Court Ruling Changes Antidumping Measures for Japanese Steel

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The U.S. Court of International Trade (CIT) made a significant decision on May 22, 2026, concerning steel products from Japan. The case involves the company Toyo Kohan Co., Ltd.

The CIT ruled in favor of Toyo Kohan by upholding the Department of Commerce’s revised findings about antidumping duties on specific steel products. The products in question are diffusion-annealed, nickel-plated flat-rolled steel products from Japan. The review covers sales from May 1, 2022, to April 30, 2023.

The Department of Commerce originally calculated a dumping margin of 4.44 percent. Toyo Kohan did not agree with this result and appealed the decision. The CIT found issues with how Commerce evaluated the U.S. sales data. It asked Commerce to review how it determines the “date of sale” and to perform a different analysis for price differences, aligning with suggestions from the Federal Circuit’s Marmen decision.

Following the CIT’s guidance, Commerce revised its evaluation. It slightly increased the dumping margin for Toyo Kohan from 4.44 percent to 4.58 percent.

The CIT’s latest ruling is a definitive judgment, meaning it does not support the original Commerce’s results. This means Commerce had to amend its previous decision with this updated dumping rate. However, Toyo Kohan’s cash deposit rate will not change because newer results exist from subsequent reviews.

Furthermore, the CIT has blocked the liquidation of Toyo Kohan’s entries during the review period. Whether the CIT’s decision stands or if it is challenged in higher courts will affect how duties are assessed. For now, antidumping duties will follow the amended margin if there are no further appeals.

The decision brought by the CIT marks a crucial moment for international trade relations and duties on Japanese steel products. This ruling is essential for companies involved in the steel import business, as it influences how duties and prices are configured.

The Department of Commerce’s updates in response to CIT’s decision reflect the ongoing regulatory adjustments and international trade’s legal framework’s complexity.

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