News & Analysis as of

Abbreviated New Drug Application (ANDA) Life Sciences Patent Infringement

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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

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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

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Alcon Inc. v. Padagis Israel Pharms. Ltd.

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Simbrinza® (brinzolamide / brimonidine) - Case Name: Alcon Inc. v. Padagis Israel Pharms. Ltd., Civ. No. 22-1422-WCB, 2025 WL 457119 (D. Del. Feb. 5, 2025) (Bryson, C.J.)  Drug Product and Patent(s)-in-Suit:  Simbrinza®...more

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Mallinckrodt Pharms. Ireland Ltd. v. Airgas Therapeutics LLC

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INOMax® (nitric oxide) - Case Name: Mallinckrodt Pharms. Ireland Ltd. v. Airgas Therapeutics LLC, Civ. No. 22-1648-RGA, 2025 WL 472557 (D. Del. Feb. 12, 2025) (Andrews, J.)  Drug Product and Patent(s)-in-Suit: INOMax® (nitric...more

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Janssen Pharms., Inc. v. Mylan Labs. Ltd.

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Invega Trinza® (paliperidone palmitate) - Case Name: Janssen Pharms., Inc. v. Mylan Labs. Ltd., No. 2023-2042, 2025 WL 946390 (Fed. Cir. Mar. 28, 2025) (Circuit Judges Dyk, Prost, and District Judge Goldberg presiding;...more

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Melinta Therapeutics, LLC v. Nexus Pharms., Inc.

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Minocin® (minocycline) - Case Name: Melinta Therapeutics, LLC v. Nexus Pharms., Inc., Civ. No. 21-2636, 2024 WL 4799896 (N.D. Ill. Nov. 15, 2024) (Kness, J.)  Drug Product and Patent(s)-in-Suit: Minocin® (minocycline);...more

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

Federal Circuit Reverses Decision Finding Lack of Written Description for Patent Claiming a Pharmaceutical Composition Comprising...

The Federal Circuit recently reversed a District of Delaware decision that invalidated claims of Novartis’s Orange Book listed patent, U.S. Patent No. 8,101,659 (the “’659 patent”), for its blockbuster drug Entresto®, a...more

Womble Bond Dickinson

2024 Hatch-Waxman Year in Review

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In 2024, the Hatch-Waxman Act continued to play a critical role in the U.S. pharmaceutical landscape, driving the dynamics between brand-name drugmakers and generics. This landmark legislation, enacted to encourage innovation...more

DLA Piper

Case-Narrowing Decisions are a One-Way Street: Reviewing Exeltis USA v. Lupin Ltd.

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Exeltis USA, Inc. and other parties (Exeltis) recently prevailed against Lupin Ltd. and Lupin Pharmaceuticals, Inc. (Lupin) in a patent infringement suit brought in the District of Delaware. After a three-day bench trial, the...more

DLA Piper

Silvergate Pharmaceuticals v. Bionpharma: The Relevance of Offers of Confidential Access Under the Hatch-Waxman Statute and Awards...

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In Silvergate Pharmaceuticals, Inc. v. Bionpharma Inc., the US District Court for the District of Delaware decided an open question regarding pre-filing investigation and attorney fees under Title 35 of the US Code, Section...more

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ANDA Litigation Settlements - Reported Settlements in Federal District Court Cases

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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....more

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Pacira Pharms., Inc. v. eVenus Pharms. Labs., Inc. - Exparel® (bupivacaine)

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Case Name: Pacira Pharms., Inc. v. eVenus Pharms. Labs., Inc., Civ. No. 21-19829, 2024 WL 3812188 (D.N.J. Aug. 9, 2024) (Arleo, J.)....more

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Novartis Pharms. Corp. v. MSN Pharms. Inc. - Entresto® (sacubitril/valsartan)

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Case Name: Novartis Pharms. Corp. v. MSN Pharms. Inc., Civ. No. 20-MD-2930-RGA, 2024 WL 3756787 (D. Del. Aug. 12, 2024)....more

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Novartis Pharms. Corp. v. Hetero USA Inc. - Entresto® (sacubitril/valsartan)

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Case Name: Novartis Pharms. Corp. v. Hetero USA Inc., Civ. No. 20-md-2930-RGA, 2024 WL 3757086 (D. Del. Aug. 12, 2024)....more

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Novartis Pharms. Corp. v. Becerra - Entresto® (sacubitril/valsartan)

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Case Name: Novartis Pharms. Corp. v. Becerra, No. 24-CV-02234 (DLF), 2024 WL 3823270 (D.D.C. Aug. 13, 2024) (Friedrich, J.)....more

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Teva Branded Pharm. Products R&D, Inc. v. Deva Holding A.S. - ProAir® HFA (albuterol sulfate)

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Case Name: Teva Branded Pharm. Products R&D, Inc. v. Deva Holding A.S., Civ. No. 24-4404 (SRC), 2024 WL 3966314 (D.N.J. Aug. 28, 2024) (Chesler, J.)....more

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Exeltis USA, Inc. v. Lupin Ltd. - Slynd® (drospirenone)

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Case Name: Exeltis USA, Inc. v. Lupin Ltd., Civ. No. 22-434-RGA, 2024 WL 4040470 (D. Del. Sept. 4, 2024) (Andrews, J.)....more

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Purdue Pharma L.P v. Accord Healthcare Inc. - OxyContin® (oxycodone HCl)

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Case Name: Purdue Pharma L.P v. Accord Healthcare Inc., Civ. No. 22-913-WCB, 2024 WL 4120717 (D. Del. Sept 9, 2024) (Bryson, J.) Drug Product and Patent(s)-in-Suit: OxyContin® (oxycodone HCl); U.S. Patent No. 11,304,908 (“the...more

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Astellas Pharma, Inc. v. Sandoz Inc. - Myrbetriq® (mirabegron)

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Case Name: Astellas Pharma, Inc. v. Sandoz Inc., Nos. 2023-2032, 2023-2063, 2023-2089, 2024 WL 4219374 (Fed. Cir. Sept. 18, 2024) (Circuit Judges Lourie, Prost, and Reyna presiding; Opinion by Lourie, J.) (Appeal from D....more

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Generically Speaking: A Hatch-Waxman Litigation Bulletin Second Quarter - New ANDA Cases

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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

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Generically Speaking: A Hatch-Waxman Litigation Bulletin Second Quarter - Generic Launches

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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

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Generically Speaking: A Hatch-Waxman Litigation Bulletin Second Quarter - ANDA Litigation Settlements

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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....more

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Generically Speaking - Summer 2024

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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

Troutman Pepper Locke

Federal Circuit Decision Clarifies Obviousness-Type Double Patenting and Patent Term Adjustments in Allergan v. MSN Laboratories

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On August 13, the Federal Circuit issued a precedential ruling in Allergan v. MSN Laboratories (Case No. 24-1061). This decision reversed the District of Delaware's application of the Federal Circuit precedent in In re:...more

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Pharmacyclics LLC v. Alvogen Pine Brook LLC - Imbruvica® (Ibrutinib)

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Case Name: Pharmacyclics LLC v. Alvogen Pine Brook LLC, Civ. No. 19-434-CFC, 2024 WL 1885677 (D. Del. Apr. 30, 2024) (Connolly, J.) - Drug Product and Patent(s)-in-Suit: Imbruvica® (ibrutinib); U.S. Patents Nos. 8,008,309...more

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