Research Letter

Delisting of Pharmaceutical Patents Challenged by the Federal Trade Commission

JAMA Internal Medicine 10.1001/jamainternmed.2026.0980

May 11, 2026 at 11:00 AM EDT

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This cohort study evaluates all products targeted by the Federal Trade Commission from 2023 to 2025 and analyzes how delistings have impacted periods of patent protection.

Corresponding Author: William B. Feldman, MD, DPhil, MPH, Division of Pulmonary, Critical Care, Sleep Medicine, Clinical Immunology, and Allergy, Department of Medicine, University of California, Los Angeles, 200 Medical Plaza, Ste 365, Los Angeles, CA 90095 (wfeldman@mednet.ucla.edu).

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