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FEDERAL REGISTER · NOTICEDecember 29, 2025NOTICE — NO LEGAL EFFECT

Determination of Regulatory Review Period for Purposes of Patent Extension; ALHEMO

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Document details are published in the U.S. Federal Register; SPEQ surfaces them for reference and is not affiliated with or endorsed by the FDA or the Office of the Federal Register. The authoritative text is on federalregister.gov.

Document type
Notice
Agency
Health and Human Services Department
Published
December 29, 2025
Comments close
February 27, 2026
Document number
2025-23863
ABSTRACT

The Food and Drug Administration (FDA or the Agency) has determined the regulatory review period for ALHEMO and is publishing this notice of that determination as required by law. FDA has made the determination because of the submission of an application to the Director of the U.S. Patent and Trademark Office (USPTO), Department of Commerce, for the extension of a patent which claims that human biological product.

Abstract as published in the Federal Register.

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