ARTICLE
20 February 2026

Breaking: Court Strikes Down New HSR Rules; Seven-Day Stay Granted For FTC Appeal

D
Dechert

Contributor

Dechert is the law firm that helps business leaders lead. For more than 150 years, we have advised clients on critical issues – from high-stakes litigation to first-in-market transaction structures and complex regulatory matters. Our lawyers in commercial centers worldwide are immersed in the key sectors we serve – financial services, private capital, real estate, life sciences and technology. Dechert delivers unwavering partnership so our clients can achieve unprecedented results.
Last year, the Federal Trade Commission (FTC) finalized sweeping changes to the Hart-Scott-Rodino (HSR) notification and report form (the new Rules). The U.S. Chamber of Commerce sought a declaratory judgment that the new...
United States Antitrust/Competition Law
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Key Takeaways

  • A federal court on February 12, 2026, held that the FTC's 2025 HSR regulatory changes are unlawful.
  • Those changes required the submission of substantially more information and documents concerning the parties, the transaction and the overlapping products.
  • The court stayed the decision for seven days to allow the FTC to appeal.
  • The FTC has stated that companies should continue to follow the new Rules through February 19, 2026.

Last year, the Federal Trade Commission (FTC) finalized sweeping changes to the Hart-Scott-Rodino (HSR) notification and report form (the new Rules). The U.S. Chamber of Commerce sought a declaratory judgment that the new Rules are arbitrary and capricious and that the FTC exceeded its authority.

On February 12, 2026, the court vacated and set aside the new Rules. The U.S. District Judge held that the new Rules are "arbitrary and capricious" under the Administrative Procedure Act. The court also found the FTC failed to substantiate its assertion that the new Rules would be more effective at detecting illegal mergers.

The order was stayed for seven days to allow the FTC to appeal. On February 13, 2026, the FTC's Premerger Notification Office advised that, through February 19, 2026, parties should continue to follow the new Rules with further updates forthcoming.

We will monitor the court's docket and any subsequent activity and provide timely updates.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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