News & Analysis as of

Pharmaceutical Industry Hatch-Waxman

American Conference Institute (ACI)

[Event] Pharma & Biotech Patent Litigation USA - October 14th - 15th, New York, NY

Attend ACI's inaugural Forum on Pharma & Biotech Patent Litigation USA and garner a winning edge in the high- stakes life sciences patent ligation arena. Get the in-depth and practical information that you need to develop...more

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

Breaking the Patent Thicket: Why the Proposed ETHIC Act Could Have Big Implications on Pharma Patent Law

On July 15, 2025, U.S. Senators Peter Welch (D‑VT), Josh Hawley (R‑MO), and Amy Klobuchar (D‑MN) introduced the ETHIC Act—the Eliminating Thickets to Increase Competition Act (S. 2276)—in the U.S. Senate. The bill is designed...more

American Conference Institute (ACI)

[Virtual Conference] Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA - October 14th - 30th, 1:00 pm EST

ACI’s virtual Annual Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA equips early-career professionals with the legal and regulatory fluency needed to contribute meaningfully to product strategy and...more

K&L Gates LLP

Optional Refrigeration Freezes Induced Patent Infringement Claim

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In Metacel Pharmaceuticals LLC v. Rubicon Research Private Ltd., the Court of Appeals for the Federal Circuit (CAFC) held that the optional product storage temperatures stated in Rubicon’s proposed generic product label did...more

Robins Kaplan LLP

New ANDA Cases Second Quarter 2025

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This chart summarizes the case name, presiding judge, drug, and patents-at-issue in all federal district court cases that are filed pursuant to the Hatch-Waxman Act. It also includes the same information for proceedings...more

Robins Kaplan LLP

Generic Launches Second Quarter 2025

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This chart tracks the date, drug, reference-listed company, applicant, and indications of publicly available drug launches resulting from Abbreviated New Drug Applications and 505(b)(2) Applications....more

Goodwin

Antitrust Life Sciences Quarterly Update 2025 Q2

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The first half of 2025 has seen an acceleration of M&A activity, including large-scale life sciences transactions, such as Merck’s $3.9 billion acquisition of SpringWorks, Sanofi’s $9.5 billion acquisition of Blueprint...more

Robins Kaplan LLP

ANDA Litigation Settlements Second Quarter 2025

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This chart summarizes the case name, drug, patents-in-suit, and publicly available terms for reported settlements in federal district court cases that are filed pursuant to the Hatch-Waxman Act. Novartis Pharms. Corp. v....more

Robins Kaplan LLP

ANDA Approvals Second Quarter 2025

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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

Robins Kaplan LLP

Norwich Pharms., Inc. v. Kennedy Jr.

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Nature of the Case and Issue(s) Presented: Salix holds NDAs for 200mg and 550mg Xifaxan. The 550mg strength product was approved to treat irritable bowel syndrome with diarrhea (“IBS-D indication”) and hepatic encephalopathy...more

Robins Kaplan LLP

Liquidia Techs., Inc. v. FDA - Updated 5.2.25

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Nature of the Case and Issue(s) Presented: FDA refused to approve Liquidia’s drug product, Yutrepia because another company, UTC, maintained marketing exclusivity. Liquidia sued FDA, and UTC intervened. The court granted...more

Robins Kaplan LLP

Ingenus Pharms., LLC v. Nexus Pharms., Inc.

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Nature of the Case and Issue(s) Presented: Cyclophosphamide is an antineoplastic agent used to treat various cancers, including lymphomas, myeloma, leukemia, and breast carcinoma. The ’952 patent, issued to Plaintiffs in May...more

Axinn, Veltrop & Harkrider LLP

Entresto Trade Dress Dispute: No Injunctive Relief for Novartis

On July 15, 2025, Judge Evelyn Padin of the District of New Jersey denied Novartis’s motion for preliminary injunction, which would have blocked MSN Laboratories Pvt. Ltd. from selling a generic version of Novartis’s Entresto...more

Robins Kaplan LLP

Azurity Pharms., Inc. v. Alkem Labs. Ltd.

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Nature of the Case and Issue(s) Presented: The ’948 patent claims non-sterile drinkable liquid formulations of vancomycin, an antibiotic used to treat Clostridium difficile infection. These formulations are particularly...more

Jones Day

Acting Director Denies IPR Institution Based on “Settled Expectations”

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Under a new U.S. Patent and Trademark Office (“USPTO”) policy issued in March 2025, pre-institution inter partes review (“IPR”) proceedings are now bifurcated, consisting of a first phase in which the director considers...more

Haug Partners LLP

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

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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

Haug Partners LLP

Federal Circuit Provides Further Guidance on Obvious Type Double Patenting For Patents Sharing Common Priority

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On June 9th, 2025, the Federal Circuit issued a decision in Acadia Pharms. Inc. v. Aurobindo Pharma Ltd., affirming the district court’s grant of summary judgment of no invalidity for obviousness-type double patenting (OTDP)...more

Jones Day

USPTO Acting Director Denies IPR Institution Based on "Settled Expectations"

Jones Day on

Under a new U.S. Patent and Trademark Office ("USPTO") policy issued in March 2025, pre-institution inter partes review ("IPR") proceedings are now bifurcated, consisting of a first phase in which the director considers...more

Goodwin

Regeneron Files Another Complaint Against Amgen in Aflibercept BPCIA Litigation

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On June 17, 2025, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed another complaint against Amgen Inc. (“Amgen”) under the BPCIA, alleging that Amgen’s aflibercept biosimilar, PAVBLU®, infringes U.S. Patent No. 12,331,099...more

Venable LLP

Spotlight On: Biosimilar Litigations - June 2025

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Biosimilar Litigations include litigations relating to biosimilar/follow-on products of CDER-listed reference products. Litigations between biosimilar applicants/manufacturers and reference product sponsors as well as...more

Knobbe Martens

Federal Circuit Review | May 2025

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In Jazz Pharmaceuticals, Inc. v. Avadel Cns Pharmaceuticals, LLC, Appeal No. 24-2274, the Federal Circuit held that injunctions prohibiting the initiation of new clinical trials for paper NDA drugs before patent expiration...more

McDonnell Boehnen Hulbert & Berghoff LLP

Treprostinil Saga Continues

United Therapeutics Corp. (UTC) and Liquidia Technologies Inc. have been battling for close to a decade over their respective inhaled formulations of treprostinil (UTC's Tyvaso®, Liquidia's Yutrepia™) for treatment 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

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

Haug Partners LLP

Federal Circuit Clarifies Safe Harbor from Injunctive Relief in Jazz v. Avadel

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On May 6, 2025, the U.S. Court of Appeals for the Federal Circuit refined the boundaries of injunctive relief under the Hatch-Waxman Act in its precedential opinion in Jazz Pharms., Inc. v. Avadel CNS Pharms. The decision...more

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