News & Analysis as of

FDA Approval Patent Litigation

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Patent Term Extension for Reissued Patents is Calculated Using the Original Patent’s Issue Date Where the...

The Federal Circuit recently affirmed a district court’s holding that patent term extension (PTE) for a reissued patent was properly based on the issue date of the original patent and not that of the reissued patent. The...more

Alston & Bird

Patent Case Summaries | Week Ending May 9, 2025

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Ingenico Inc., et al. v. IOENGINE, LLC, No. 2023-1367 (Fed. Cir. (D. Del.) May 7, 2025). Opinion by Hughes, joined by Dyk and Prost. Ingenico filed a declaratory judgment action against IOENGINE relating to two patents owned...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Pharmaceutical Patent Protections

This week, we take a closer look at two precedential cases concerning pharmaceutical patent protections as applied to drugs in development. In Incyte Corp. v. Sun Pharm., Judge Hughes entered a dissent pushing back on the...more

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

Jazz Pharma. v. Avadel CNS Pharma: Federal Circuit Applies a Fact-Specific Approach to the Patent Infringement Safe Harbor

In a precedential ruling, the U.S. Court of Appeals for the Federal Circuit in Jazz Pharma. v. Avadel CNS Pharma., 2025 WL 1298920, — F.4th — (Fed. Cir. May 6, 2025), addressed the scope of the 35 U.S.C. § 271(e)(1) “safe...more

Venable LLP

BiologicsHQ Monthly Injection - March 2025

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On March 17, 2025, Senators Chuck Grassley (R-IA), John Cornyn (R-TX), Richard Blumenthal (D-CT), and Richard Durbin (D-IL) re-introduced the “Affordable Prescriptions for Patients Act” (“APPA”), which previously passed the...more

Robins Kaplan LLP

ANDA Litigation Settlements

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Reported settlements in federal district court cases - 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...more

Robins Kaplan LLP

Boehringer Ingelheim Pharms. Inc. v. Apotex Inc.

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Tradjenta® (linagliptin) - Case Name: Boehringer Ingelheim Pharms. Inc. v. Apotex Inc., Civ. No. 23-685-CFC, 2025 WL 71979 (D. Del. Jan. 10, 2025) (Connolly, J.)  Drug Product and Patent(s)-in-Suit: Tradjenta® (linagliptin);...more

Fish & Richardson

Can Clinical Trials Negate Patentability for Pharma Inventions?

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The answer to this inquiry is “yes” — but maybe “no.” Will confidentiality agreements shield any prior art concerns? Once again, maybe “yes” — but maybe “no.” Indeed, do clinical trials constitute an experimental use that...more

Goodwin

Regeneron, Mylan, and Biocon Settle in Aflibercept BPCIA Litigation

Goodwin on

On April 22, 2025, the U.S. District Court for the Northern District of West Virginia entered a Stipulation and Order Vacating Permanent Injunction and Dismissing All Claims and Counterclaims with Prejudice in In re:...more

Robins Kaplan LLP

Janssen Prods., L.P. v. EVER Valinject GmbH

Robins Kaplan LLP on

Yondelis® (trabectedin) - Case Name: Janssen Prods., L.P. v. EVER Valinject GmbH, Civ. No. 24-7319, 2025 WL 639380 (N.D. Ill. Feb. 27, 2025) (Harjani, J.)  Drug Product and Patent(s)-in-Suit:  Yondelis® (trabectedin); U.S....more

Robins Kaplan LLP

Liquidia Techs., Inc. v. FDA

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Yutrepia® (treprostinil inhalation powder) - Case Name: Liquidia Techs., Inc. v. FDA, No. 24-2428 (D.D.C. Feb. 27, 2025) (Kelly, J.) Drug Product and Patent(s)-in-Suit: Yutrepia® (treprostinil inhalation powder) Nature of...more

Robins Kaplan LLP

In re Entresto

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Entresto® (valsartan/sacubitril) - Case Name: In re Entresto, 125 F.4th 1090 (Fed. Cir. Jan. 10, 2025) (Circuit Judges Lourie, Prost, and Reyna presiding; Opinion by Lourie, C.J.) (Appeal from D. Del., Andrews, J.)  Drug...more

Robins Kaplan LLP

Merck Sharp & Dohme B.V. v. Aurobindo Pharma USA, Inc

Robins Kaplan LLP on

Bridion® (sugammadex) - Case Name: Merck Sharp & Dohme B.V. v. Aurobindo Pharma USA, Inc., No. 2023-2254, 2025 WL 795317 (Fed. Cir. Mar. 13, 2025) (Circuit Judges Dyk, Mayer, and Reyna presiding; Opinion by Dyk, C.J.) (Appeal...more

Venable LLP

Spotlight On: Biosimilar Litigations - April 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

Axinn, Veltrop & Harkrider LLP

Federal Circuit Holds Generic’s Hatch-Waxman Litigation Expenses Deductible

A March 21 Federal Circuit decision in Actavis Laboratories FL, Inc. v. United States, No. 23-1320 (Fed. Cir. Mar. 21, 2025) marked a victory for generic drug developers, affirming that legal expenses incurred defending...more

Hogan Lovells

Reissued patents get Hatch-Waxman PTE based on original patent date, CAFC rules

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The U.S. Court of Appeals for the Federal Circuit (CAFC) recently considered a novel question regarding calculation of the regulatory review period for patent term extension (PTE) under 35 USC § 156 for reissued patents....more

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

Key Patent Considerations for Antibody Drug Conjugates (ADCs)

In 1910, German scientist Paul Ehrlich introduced a groundbreaking concept to the world: chemical compounds could be engineered to interact with unique receptors on disease-causing cells while avoiding interaction with...more

Haug Partners LLP

Defend & Deduct: How the Federal Circuit's Actavis Decision Changes Tax Implications for ANDA Filers

Haug Partners LLP on

In Actavis Labs. FL, Inc. v. U.S.  (“Actavis”), a recent precedential decision, the Federal Circuit answered an important practical question regarding the interplay between the Hatch-Waxman Act and the Internal Revenue Code:...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Hatch-Waxman Requires Patent Term Extension for Reissued Patents To Be Based on Original Patent

The Federal Circuit held in Merck Sharp & Dohme B.V. v. Aurobindo Pharma USA, Inc., 23-2254 that a reissued patent receives patent term extension (PTE) based on the issue date of the original patent, not the reissue patent,...more

McDermott Will & Emery

Hatch-Waxman Litigation Expenses Are Deductible Under Internal Revenue Code § 162(a)

The US Court of Appeals for the Federal Circuit upheld a US Court of Federal Claims ruling that Hatch-Waxman Act litigation expenses are ordinary and necessary business expenses under § 162(a) of the Internal Revenue Code,...more

Venable LLP

Potential Impact of the Affordable Prescriptions for Patients Act Patent Limit on BPCIA Litigations

Venable LLP on

On March 17, 2025, Senators Chuck Grassley (R-IA), John Cornyn (R-TX), Richard Blumenthal (D-CT), and Richard Durbin (D-IL) re-introduced the “Affordable Prescriptions for Patients Act” (“APPA”), which previously passed the...more

Irwin IP LLP

Federal Circuit Finds Against Generics Where Hatch-Waxman's Full Five-Year Extension Fixes Delay For Pharmaceutical FDA-Review  

Irwin IP LLP on

Merck Sharp & Dohm B.V. v. Aurobindo Pharma USA, Inc. et al (Fed. Cir. March 13, 2025) - The Hatch-Waxman Act seeks to strike a balance in the pharmaceutical industry by incentivizing drugs makers to develop innovative...more

McDonnell Boehnen Hulbert & Berghoff LLP

Merck Sharp & Dohme B.V. v. Aurobindo Pharma USA, Inc. (Fed. Cir. 2025)

Early last year, Aurobindo, one of the Defendants* in ANDA litigation against Merck, advanced the proposition that in cases where a patent had been reissued patent term extension ("PTE") under 35 U.S.C. § 156 should be...more

Venable LLP

Prolia® / Xgeva® (denosumab) Biosimilar Updates: Celltrion Biosimilar Approval, Amneal aBLA Filing, and Fresenius Kabi Litigation...

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On February 28, 2025, the FDA approved Celltrion’s Stoboclo® / Osenvelt® (denosumab-bmwo) as the third company to receive FDA approval of biosimilars of Amgen’s Prolia® / Xgeva® (denosumab). ...more

Venable LLP

FDA Accepts EYLEA® Biosimilar Application for Alvotech / Teva’s AVT06

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On February 18, 2025, Alvotech and Teva announced the FDA acceptance of an aBLA for AVT06 (aflibercept), a proposed biosimilar of Regeneron’s EYLEA® (aflibercept). This aBLA joins Celltrion’s CT-P42 (aflibercept) awaiting...more

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