News & Analysis as of

Food and Drug Administration (FDA) Orange Book Generic Drugs

Haug Partners LLP

FTC Issues a Third Round of Warning Letters Over Improper Orange Book Listings

Haug Partners LLP on

On May 21, 2025, the Federal Trade Commission (FTC) renewed its efforts to challenge pharmaceutical manufacturers that have allegedly listed patents improperly in the Food and Drug Administration’s (FDA) publication of...more

Fish & Richardson

Federal Circuit Reverses Injunction That Barred Clinical Trials in Jazz v. Avadel

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The Federal Circuit recently considered the scope of a permanent injunction that prohibited a drug manufacturer from conducting certain clinical and regulatory activities in Jazz Pharmaceuticals, Inc. v. Avadel CNS...more

McDermott Will & Schulte

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

Robins Kaplan LLP

ANDA Approvals

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New Drug Applications and 505(B)(2) Applications - This chart tracks the date, drug, reference-listed company, and applicant of Abbreviated New Drug Applications and 505(b)(2) Applications receiving final approval by the FDA....more

American Conference Institute (ACI)

[Event] 21st Annual Conference on Paragraph IV Disputes - April 29th - 30th, New York, NY

Attend ACI's 21st Annual Conference on Paragraph IV Disputes and join leaders from brand and generic pharmaceutical companies, renowned outside counsel, esteemed members of the judiciary, government, and academia to: -...more

ArentFox Schiff

Federal Circuit Affirms ImmunoGen Patent Obviousness

ArentFox Schiff on

In a precedential opinion issued on March 6, the Federal Circuit affirmed the US District Court for the Eastern District of Virginia that the claims in ImmunoGen’s US patent application 14/509,809 (“the ’809 application,”...more

Fish & Richardson

Recent Decisions and FTC Challenges Dictate Caution When Listing Patents in the Orange Book

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In October 2023, Teva Pharmaceuticals filed a patent infringement lawsuit against Amneal Pharmaceuticals alleging that their generic version of Teva’s ProAir® HFA inhaler infringed upon the asserted claims of U.S. Patent Nos....more

Foley & Lardner LLP

Federal Circuit Says Proper Orange Book-Listed Patent Must Claim Active Ingredient

Foley & Lardner LLP on

In Teva Branded Pharmaceutical Products R&D, Inc. v. Amneal Pharmaceuticals of New York, LLC, the Federal Circuit jumped on the bandwagon of scrutinizing the types of patents that can be listed in the Food & Drug...more

McDermott Will & Schulte

Transparency Is the Best Medicine: Device Parts Don’t Justify Orange Book Listing

The US Court of Appeals for the Federal Circuit affirmed a district court’s delisting of patents from the Orange Book because the patent claims did not “claim the drug that was approved” or the active ingredient of the drug...more

Fish & Richardson

Hatch-Waxman 201

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For branded drugmakers, the development of a pharmaceutical product approved by the Food and Drug Administration (FDA) all but assures generic competition. As discussed during the first installment of our Hatch-Waxman series,...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Federal Circuit: Patent Must Claim Active Ingredient for Orange Book Listing

On December 20, 2024, the U.S. Court of Appeals for the Federal Circuit issued a significant ruling in the Teva v. Amneal case following oral arguments before the Federal Circuit, which we discussed in our previous article. ...more

WilmerHale

USA: Unpacking the shift – Heightened antitrust scrutiny on Orange Book listings

WilmerHale on

Forty years ago, Congress passed the Hatch-Waxman Act, which streamlined the generic drug approval process and revamped how patent infringement claims would be litigated against those prospective generic drug applicants. At...more

Fish & Richardson

Preparing Your Company for Hatch-Waxman

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The Hatch-Waxman Act regulates the relationship between branded and generic drugmakers and attempts to strike a balance between two competing policy interests — encouraging pioneering drug development and facilitating market...more

White & Case LLP

Three Drug Pricing Litigation Issues to Watch in the Second Half of 2024

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It has been a busy year for issues related to drug pricing, and with the election around the corner, litigation issues that have been developing over the last few years are likely to be a key focus for the second half of...more

Skadden, Arps, Slate, Meagher & Flom LLP

The FTC Challenges Companies’ Allegedly Improper Orange Book Patent Listings

The Federal Trade Commission (FTC) has called attention in the past year to its perception of the influence that branded pharmaceutical companies have over the price of beneficial drugs. Most recently, the agency has asserted...more

WilmerHale

The Interplay: Key Decisions at the Intersection of Antitrust & Life Sciences - May 2024

WilmerHale on

Second Circuit Affirms “Pay for Delay” Dismissal:  On May 13, 2024, the Second Circuit affirmed dismissal of antitrust claims brought by wholesalers, retailers, and employee benefit funds that alleged they overpaid for the...more

McDonnell Boehnen Hulbert & Berghoff LLP

FTC warns pharma companies it means business with its Orange Book listing policy

Last September, the Federal Trade Commission (FTC) promulgated a “policy statement” entitled “Statement Concerning Brand Drug Manufacturers’ Improper Listing of Patents in the Orange Book,” regarding the FTC’s allegations...more

Foley Hoag LLP

FTC Challenges More Patent Listings in the FDA’s Orange Book

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The Federal Trade Commission (FTC) has been busy scrutinizing patent listings in the Food and Drug Administration’s (FDA) publication of “Approved Drug Products with Therapeutic Equivalence Evaluations,” commonly known as the...more

Sheppard Mullin Richter & Hampton LLP

FTC's Campaign Against Improper Orange Book Listings Continues with Amicus Brief in Teva’s Challenge of Amneal Asthma Inhaler ANDA

The Federal Trade Commission (“FTC”) has filed an amicus brief in Teva Branded Pharmaceuticals Products R&D, Inc. v. Amneal Pharmaceuticals of New York, LLC to further the agency’s efforts to promote and protect generic drug...more

Axinn, Veltrop & Harkrider LLP

FTC Spoke, Kaleo and Impax Listened: Orange Book Patent Delistings Begin

As discussed last month, the FTC sent letters to 10 pharmaceutical companies, asserting that their listing of over 100 patents in FDA’s Orange Book for a variety of products was improper. Shortly thereafter, the FTC began...more

Knobbe Martens

The Federal Trade Commission Put Brand Drug Manufacturers on Notice About Improperly Listing Patents in the Orange Book and Then...

Knobbe Martens on

The Federal Trade Commission (FTC) issued a policy statement on September 14, 2023, stating that “[b]rand drug manufacturers may be harming generic competition through the improper listing of patents in the Food and Drug...more

Fenwick & West LLP

FTC Employs New Tactic in Effort Against Drug Makers Alleged to Have Improperly Listed Patents in the FDA’s Orange Book

Fenwick & West LLP on

On Nov. 7, 2023, the Federal Trade Commission (FTC) announced it is disputing the listing of more than 100 patents in the Food and Drug Administration’s (FDA) “Approved Drug Products with Therapeutic Equivalence Evaluations,”...more

Morrison & Foerster LLP

FTC Alleges Improper Orange Book Listing of Drug Delivery Device Patents

Morrison & Foerster LLP on

In the latest attempt to promote generic drug competition and reduce drug prices, and consistent with broader efforts to enforce the antitrust laws more aggressively, the Federal Trade Commission (FTC) announced on November...more

Axinn, Veltrop & Harkrider LLP

FTC Takes Up the Battle Against Improper Orange Book Patent Listings

Attempting to put some teeth into the policy statement that it issued last month, the FTC sent letters to 10 pharmaceutical companies, asserting that their listing of over 100 patents in FDA's Orange Book for a variety of...more

Haug Partners LLP

10 Years after Actavis, the Cases that Follow Tell a Story

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I. Introduction - No pharmaceutical antitrust decision has had more impact than the Supreme Court’s 2013 decision in Federal Trade Commission v. Actavis, a decision which officially defined the term “reverse payment...more

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