Wabtec — Trade court again remands freight-coupler duty scope for inadequate explanation

Case
Wabtec Corporation v. United States
Court
U.S. Court of International Trade
Judge
Gary S. Katzmann (Barack Obama, 2016)
Date Decided
October 8, 2026
Docket No.
23-00160; 23-00161
Topics
Antidumping Duties; Countervailing Duties; Scope Determinations; Freight Rail Couplers
Source
Read the full opinion

Background

Wabtec Corporation and Strato, Inc., U.S. importers of freight rail couplers, challenged the Department of Commerce’s antidumping and countervailing duty determinations concerning couplers from China. Commerce defined the investigated merchandise to include couplers attached to nonsubject goods, including completed railcars. The disputed couplers were manufactured in China, sold to railcar producers in Mexico, attached to railcars there, and later entered the United States as components of those railcars.

The court previously remanded the determinations because Commerce had disclaimed authority to consider Wabtec’s argument that attached couplers could not cause injury cognizable under the trade-remedy statutes. On remand, Commerce again included attached couplers, reasoning that the domestic industry loses a sale when a U.S. purchaser chooses a railcar bearing a Chinese coupler. Wabtec maintained that any injury instead arose from the lost opportunity to export a U.S.-made coupler to Mexico, not from importation of the completed railcar into the United States.

The Court’s Holding

The court held that Commerce’s remand redeterminations were unsupported by substantial evidence and not in accordance with law because Commerce again failed to adequately explain why attached couplers should remain within the investigations’ scope. Commerce’s assertion that injury occurs when an attached coupler enters the United States did not meaningfully answer Wabtec’s argument that the relevant loss occurred when the Mexican railcar producer bought a Chinese coupler rather than a U.S. coupler.

The court also rejected Commerce’s reliance on the International Trade Commission’s affirmative injury determination as circular because the Commission was required to use the scope Commerce supplied. A pending customs-evasion allegation did not establish injury by reason of importation, and prior proceedings involving attached or assembled products had not addressed the same injury argument. Commerce likewise failed to resolve the court’s concern that an overly broad scope could allow injury from unattached couplers to mask the absence of cognizable injury from attached couplers. The court remanded for Commerce to reconsider or further explain whether attached couplers should be excluded, without itself deciding that exclusion was required.

Key Takeaways

  • Commerce must address a developed argument that particular merchandise within a proposed scope cannot cause injury “by reason of” its importation.
  • The Commission’s injury finding cannot independently validate Commerce’s scope when that scope defined the merchandise the Commission was required to examine.
  • The court ordered a second remand redetermination within 90 days; if Commerce changes the scope, the Commission may need to reconsider its injury determination.

Why It Matters

The decision reinforces that deference to a petitioner’s proposed scope does not relieve Commerce of its duty to prevent an overly broad antidumping or countervailing duty order. Commerce must connect the alleged domestic injury to importation of the particular merchandise at issue, especially when a component was purchased and incorporated into a downstream product abroad.

The ruling may affect investigations involving upstream components imported only as parts of finished goods. It also highlights the risk of “masking,” in which injury caused by one category of merchandise supports an order that also covers another category lacking a cognizable connection to domestic injury.

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