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FDA Approval Patent Litigation

Goodwin

Genentech/Hoffmann La-Roche and Shanghai Henlius Biotech/Organon Settle Pertuzumab BPCIA Case

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On January 30, 2026, the U.S. District Court for the District of New Jersey entered a Joint Stipulation of Dismissal resolving the pertuzumab BPCIA litigation between Genentech, Inc. and Hoffmann-La Roche Inc. (together,...more

Venable LLP

Genentech and Shanghai Henlius Biotech Settle Perjeta® Biosimilar BPCIA Litigation

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On January 30, 2026, the Court ordered Genentech / Hoffmann-La Roche and Shanghai Henlius Biotech / Organon’s stipulated dismissal of Case No. 2:25-cv-14648 (D.N.J.) due to a settlement agreement between the parties.  ...more

Venable LLP

Hikma Announces U.S. Launch of Prolia® / Xgeva® Biosimilars Enoby™ / Xtrenbo™ (denosumab-qbde)

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On January 19, 2026, Hikma announced the launch of Enoby™ / Xtrenbo™ (denosumab-qbde), biosimilars of Amgen’s Prolia® / Xgeva® (denosumab), following their FDA-approval in September 2025. ...more

Morrison & Foerster LLP

Supreme Court Takes Up Hikma v. Amarin

On Friday, the Supreme Court granted certiorari in Hikma Pharmaceuticals v. Amarin Pharma, ending an almost three-year lull in patent cases at the Court. The case presents two related questions, one framed specifically in the...more

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

Supreme Court to Address ‘Skinny Label’ Patent Disputes

On January 16, 2026, the U.S. Supreme Court agreed to hear Hikma Pharmaceuticals USA, Inc. v. Amarin Pharma, Inc., a patent dispute that could reshape the landscape of generic drug competition and patent enforcement....more

Venable LLP

Denosumab Biosimilar Updates: Boncresa™ / Oziltus™ Approval, AVT03 Complete Response Letter

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On December 19, 2025, the FDA approved Amneal / mAbxience’s Boncresa™ / Oziltus™ (denosumab-mobz) as the nineth biosimilars of Amgen’s Prolia® / Xgeva® (denosumab). ...more

Goodwin

FDA Approves mAbxience and Amneal’s Denosumab Biosimilars

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On December 22, 2025, the FDA approved mAbxience and Amneal’s Biologics Licensing Applications (BLAs) for BONCRESA™ (denosumab-mobz) and OZILTUS™ (denosumab-mobz), biosimilars referencing Amgen’s PROLIA® (denosumab) and...more

Venable LLP

Prolia® / Xgeva® Biosimilar Updates: FDA Approves Accord’s Osvyrti® / Jubereq®, Amgen and Hikma Settle BPCIA Litigation

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On November 20, 2025, the FDA approved Accord’s Osvyrti® and Jubereq® (denosumab-desu), biosimilars of Amgen’s Prolia® / Xgeva® (denosumab). ...more

Venable LLP

Amgen Files Three New Prolia® / Xgeva® BPCIA Litigations Against Proposed Biosimilars AVT03, MB09, and ENZ215

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On November 6, 2025, Amgen filed its eighth and ninth BPCIA lawsuits against proposed biosimilars of Prolia® / Xgeva® (denosumab), Case No. 1:25-cv-17277 (D.N.J.) against Alvotech and Dr. Reddy’s AVT03 and Case No....more

Goodwin

FDA Approves Shanghai Henlius’s Interchangeable Pertuzumab Biosimilar

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On November 13, 2025, the FDA approved Shanghai Henlius Biologics Co. Ltd.’s POHERDY (pertuzumab-dpzb) as an interchangeable biosimilar to Genentech’s PERJETA (pertuzumab). This is the first pertuzumab biosimilar to receive...more

Alston & Bird

Intellectual Property Litigation Newsletter | October 2025

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Welcome to the Intellectual Property Litigation Newsletter, our review of decisions and trends in the intellectual property arena. In this edition, we learn that non-infringing acts can’t be enjoined, publicity isn’t...more

Goodwin

FDA Approves Celltrion’s Aflibercept Biosimilar

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On October 9, 2025, the FDA approved Celltrion’s aflibercept biosimilar, EYDENZELT® (aflibercept-boav) referencing Regeneron’s EYLEA® (aflibercept). This approval makes Celltrion the sixth company to receive FDA approval for...more

Goodwin

Amgen and Biocon Settle Denosumab BPCIA Case

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On September 30, 2025, the U.S. District Court for the District of New Jersey entered a Consent Judgment and Injunction resolving the denosumab BPCIA litigation between Amgen, Inc. (“Amgen”) and Biocon Biologics, Inc., Biocon...more

Venable LLP

FDA Approves Prolia® / Xgeva® (denosumab) Biosimilars: Henlius’s Bildyos® / Bilprevda®, Biocon’s Bosaya™ / Aukelso™, and Gedeon...

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On October 1, 2025, the FDA approved Gedeon Richter / Hikma’s Enoby™ / Xtrenbo™ (denosumab-qbde), biosimilars of Amgen’s Prolia® / Xgeva® (denosumab). ...more

Jones Day

Bill Seeks to Restrict 30-Month Stay in Hatch-Waxman Litigation to One Patent

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Senate Bill S. 4878 seeks to force innovator pharmaceutical companies to select a single Orange Book listed patent for the 30-month stay. ...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

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

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

Metacel Pharms. LLC v. Rubicon Rsch. Priv. Ltd.

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Nature of the Case and Issue(s) Presented: Ozobax is indicated for treatment of spasticity resulting from multiple sclerosis, and particularly flexor spasms and concomitant pain, clonus, and muscular rigidity. While the use...more

Venable LLP

Amgen and Accord Settle Prolia® / Xgeva® BPCIA Litigation over INTP23

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On July 16, 2025, Amgen and Accord settled Case No. 1:25-cv-01305 (D.N.J.) / MDL 1:25-md-03138 (D.N.J.) alleging infringement of 34 of Amgen’s patents by Accord’s proposed Prolia® / Xgeva® (denosumab) biosimilar INTP23...more

Goodwin

Bio-Thera Announces Acceptance of BLA for BAT2506 Referencing Johnson & Johnson’s SIMPONI® (Golimumab)

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On July 16, 2025, Bio-Thera Solutions, Ltd. (“Bio-Thera”) announced that the U.S. Food and Drug Administration (“FDA”) had accepted its Biologics License Application (“BLA”) for its golimumab biosimilar, BAT2506, referencing...more

Robins Kaplan LLP

Jazz Pharms., Inc. v. Avadel CNS Pharms., LLC

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Case Name: Jazz Pharms., Inc. v. Avadel CNS Pharms., LLC, Nos. 2024-2274, 2024-2277, 2024-2278, 2025 WL 1298920 (Fed. Cir. May 6, 2025) (Circuit Judges Lourie, Reyna, and Taranto presiding; Opinion by Lourie, J.) (Appeal from...more

Venable LLP

Bio-Thera Submits aBLA for Simponi® (golimumab) Biosimilar BAT2506

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On July 16, 2025, Bio-Thera Solutions and Accord announced the FDA acceptance of their aBLA for BAT2506, a proposed biosimilar of Janssen / Johnson & Johnson’s Simponi® (golimumab).  ...more

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

District Circuit Denies Novartis’s Request for Injunctive Relief Against MSN’s Generic Version of Entresto®

The District Court for the District of Delaware recently rejected Novartis’s effort to block MSN Pharmaceuticals from launching a generic version of Entresto® (sacubitril/valsartan), its top-selling heart failure medication....more

Venable LLP

Fresenius Kabi and Celltrion Launch Prolia® / Xgeva® (denosumab) Biosimilars Conexxence™ / Bomyntra™ and Stoboclo® / Osenvelt®

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On July 1, 2025, Fresenius Kabi announced the U.S. launch of Conexxence™ / Bomyntra™ (denosumab-bnht), biosimilars of Amgen’s Prolia® / Xgeva® (denosumab), pursuant to a settlement agreement between the parties ending BPCIA...more

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