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Orange Book Antitrust Violations

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

McDonnell Boehnen Hulbert & Berghoff LLP

FTC Warns Pharma Companies It Means Business with Its Orange Book Listing Policy

Policy differences are endemic in politics, and the phrase "causing more heat than light" regarding federal drug policy comes readily to mind listening to the rhetoric coming from the Federal Trade Commission in this regard. ...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

King & Spalding

“Purple Book” Patent Listing Under Biological Product Patent Transparency Act: What is Required, and What to Expect?

King & Spalding on

The Biological Product Patent Transparency Act (“BPPT”) – tucked into Congress’s omnibus spending bill (“Consolidated Appropriations Act,” H.R. 133, Pub. L. No. 116-260) signed into law on December 27, 2020 – is the...more

Haug Partners LLP

INSIGHT: Abbvie Defeats Novel Antitrust Claims Against Humira Patent Estate—Lessons Learned

Haug Partners LLP on

A federal district court recently dismissed a lawsuit against AbbVie and biosimilar manufacturers of adalimumab involving a novel antitrust claim against the Humira patent estate. Attorneys with Haug Partners LLP take an...more

McDermott Will & Emery

Antitrust Liability Risk When Listing Patents in Orange Book

The US Court of Appeals for the First Circuit held that pharmaceutical companies that wrongly list patents in FDA’s Orange Book must prove they acted in good faith to avoid antitrust liability. In re Lantus Direct Purchaser...more

Cozen O'Connor

First Circuit Permits Antitrust Claims for Improperly Listing a Device Patent on the FDA’s Orange Book to Move Forward

Cozen O'Connor on

In a holding that could significantly broaden the antitrust inquiry in the context of the Hatch-Waxman regulatory scheme, on February 13, 2020, the U.S. Court of Appeals for the First Circuit issued an opinion that may have...more

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