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Mazak Corporation v. United States

No. 1:25-cv-00249 District · Active
Court
Federal Court
cit
Judge
Gary S. Katzmann Timothy M. Reif Jane A. Restani
Filed
Nov 10, 2025
Judge (CL)
Gary S. Katzmann Timothy M. Reif Jane A. Restani
Filed (CL)
Nov 10, 2025
CL Status
active


The Law · How the Case Works

Overview

Overview

Mazak Corporation sued the Trump administration over President Trump's Liberation Day tariffs and subsequent modifications made to the Harmonized Tariff Schedule of the United States.

The Issue

Issue

Whether President Trump's Liberation Day tariffs and modifications to the Harmonized Tariff Schedule, imposed under the International Emergency Economic Powers Act (IEEPA), are lawful exercises of executive authority.

The Rules

Rule

The International Emergency Economic Powers Act, 50 U.S.C. § 1701 et seq., authorizes the President to regulate commerce upon declaring a national emergency to address unusual and extraordinary threats. Presidential actions under IEEPA are subject to judicial review, including scrutiny of the emergency declaration's validity and whether the tariffs are rationally related to the declared emergency.

The Application

Analysis

Mazak Corporation challenges the tariffs imposed on its machine tool imports under the Liberation Day executive action. The Court of International Trade must examine whether the national emergency declaration was properly invoked and whether the Harmonized Tariff Schedule modifications constitute a permissible exercise of IEEPA authority or an abuse of discretion.

The Conclusion

Conclusion

The case remains active before the Court of International Trade with a three-judge panel assigned. Resolution depends on judicial findings regarding the validity of the emergency declaration and the rationality of the tariff regime's connection to the asserted emergency.

Court -
FiledNov 10, 2025
Judge Gary S. Katzmann Timothy M. Reif Jane A. Restani
CL Statusactive
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Federal Court TMR-e55dcc36 IEEPA Tariffs Jul 26, 2026
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