2026年9月10日

US Appeals Court Temporarily Reinstates Trump-Era Tariffs Amid Legal Battle

On June 10, the U.S. Court of Appeals for the Federal Circuit ruled to temporarily allow Trump-era tariffs to remain in effect during ongoing litigation, suspending a prior injunction from the Court of International Trade. The case, seen as a pivotal test of presidential trade authority, will be fast-tracked for oral arguments on July 31 and could significantly influence U.S.-China trade dynamics and domestic cost structures.

The U.S. Court of Appeals for the Federal Circuit has decided to temporarily lift the injunction issued by the Court of International Trade (CIT), allowing tariffs imposed under the Trump administration to remain in place during the appeal process. The court emphasized that this move is not a final ruling but a measure to “balance the interests of both parties” as the case proceeds.

The lawsuit challenges tariffs introduced under the International Emergency Economic Powers Act (IEEPA), including a 10% global tariff, retaliatory duties on Chinese goods, and fentanyl-related tariffs. In April, several Democrat-led states and small business alliances filed suit, leading to the CIT's May ruling that the president cannot use IEEPA to impose unrestricted tariffs.

The U.S. Department of Justice argued that blocking these tariffs could harm “sensitive trade negotiations” and potentially cause “catastrophic” economic consequences. On June 9, 33 senators submitted an amicus brief opposing the continuation of the tariffs, arguing that IEEPA is not a proper legal basis for such actions and that unchecked presidential powers threaten the separation of powers.

Given the case’s broader significance, the appeals court will convene a full panel for accelerated proceedings, with oral arguments scheduled for July 31.

Legal and Economic Outlook:
While CIT ruled against the tariffs, legal experts caution that Congressional efforts to curb presidential powers may be limited, especially with a Republican majority.

Alternative legal pathways—such as invoking Sections 301, 338, or 122 of the Trade Act—may allow the White House to maintain trade leverage, but these measures are complex and slower to implement.

Economically, overturning IEEPA-related tariffs could reduce the U.S. effective tariff rate by 10 percentage points. However, World Bank forecasts have already downgraded U.S. growth from 2.3% to 1.4% in 2024. Persistent policy uncertainty continues to weigh on business investment and durable goods consumption.

Experts warn that prolonged uncertainty, combined with weakening growth and inflation pressures, may push the U.S. economy closer to recession territory.

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