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Orange Book Antitrust Violations Enforcement Actions

McDermott Will & Emery

FTC Revives Orange Book Listing Challenges

On May 21, 2025, the Federal Trade Commission (FTC) issued its third round of warning letters – and its first under the Trump administration – against pharmaceutical manufacturers for allegedly improper listing of patents in...more

Axinn, Veltrop & Harkrider LLP

FTC Peeling Back the Layers of the Orange Book

The Federal Trade Commission (FTC) is continuing to pursue pharmaceutical manufacturers for allegedly improperly listing patents in the “Orange Book,” delaying the entry of generic drug competitors. On May 21, the FTC...more

Hogan Lovells

Republican FTC renews challenges to Orange Book patent listings

Hogan Lovells on

On May 21, 2025 the Federal Trade Commission (FTC) issued renewed warning letters to five companies regarding over 200 allegedly improperly-listed patents in the Food and Drug Administration (FDA)’s Orange Book. Announcing...more

Knobbe Martens

Antitrust Lawsuit Brought Against Drug Manufacturer Based on Its Allegedly Improper Listing of Device Patents in the FDA’s Orange...

Knobbe Martens on

As we recently discussed, the Federal Trade Commission (“FTC”) sent warning letters to certain drug manufacturers regarding their purportedly improper listing of device patents in the Food and Drug Administration’s (“FDA”)...more

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