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Patents Generic Drugs Patent Infringement

Knobbe Martens

Hard to Stomach: Things You Say to Prosecute a Patent Can and Will Be Used Against You

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AZURITY PHARMACEUTICALS, INC. v. ALKEM LABORATORIES LTD. Before Murphy, Moore, and Chen. Appeal from the United States District Court for the District of Delaware. Arguments and amendments made during prosecution of a parent...more

Venable LLP

Spotlight On: Neulasta® (pegfilgrastim) / Fulphila® (pegfilgrastim-jmdb) / Udenyca® (pegfilgrastim-cbqv) / Ziextenzo®...

Venable LLP on

Pegfilgrastim Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Enbrel® (etanercept) / Erelzi® (etanercept-szzs) / Eticovo® (etanercept-ykro) - April 2025

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Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Humira® (adalimumab) / Amjevita™ (adalimumab-atto) / Cyltezo® (adalimumab-adbm) / Hyrimoz™ (adalimumab-adaz) /...

Venable LLP on

Adalimumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

McDermott Will & Emery

Prosecution Disclaimer Alive and Well, Especially in Closed Claim

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court’s noninfringement determination, finding that the presence of a disclaimed compound in the accused product precluded infringement. Azurity Pharm., Inc....more

Venable LLP

Spotlight On: Lantus® / Lantus® SoloSTAR® (insulin glargine recombinant) / Basaglar® (insulin glargine) / Semglee® (insulin...

Venable LLP on

Insulin Glargine Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Azurity Pharmaceuticals, Inc. v. Alkem Laboratories Ltd.

Azurity Pharmaceuticals, Inc. v. Alkem Laboratories Ltd., Appeal No. 2023-1977 (Fed. Cir. Apr. 8, 2025) In our Case of the Week, the Federal Circuit affirmed that defendant Alkem’s proposed generic antibiotic did not...more

Irwin IP LLP

Federal Circuit Finds Loophole Allowing Patents To Cover Later Developed Technologies

Irwin IP LLP on

In re Entresto, 125 F.4th 1090 (Fed. Cir. 2025) - After Novartis’ patent on the blockbuster blood pressure medication Entresto was found invalid at the district court for covering technology that was developed after the...more

Eversheds Sutherland (US) LLP

Tax Bytes: Week of March 24, 2025

Tax developments - Actavis and deductible expenses - On March 21, 2025, the Court of Appeals for the Federal Circuit released a decision in Actavis Laboratories FL, Inc. v. United States, holding that taxpayers could...more

BakerHostetler

A Later-Discovered Improvement to an Invention Cannot Be Used To Reach Back and Invalidate an Earlier-Filed Patent

BakerHostetler on

Novartis markets and sells a combination therapy of valsartan and sacubitril under the brand name Entresto® for the treatment of various forms of heart failure. MSN submitted an Abbreviated New Drug Application seeking...more

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

IP Hot Topic: Senate Bill Seeks to Create New Skinny Label Protections

A bipartisan Senate bill dubbed the “Skinny Label, Big Savings Act” was introduced in January. The bill would expand the scope of protection afforded by section viii carve-outs, a mechanism that allows Abbreviated New Drug...more

Fish & Richardson

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

Fish & Richardson on

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

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Written Description and Enablement Depend on What a Patent 'Claims,' Not What the Claims Cover

The Federal Circuit recently reversed a district court decision that found a patent that did not describe after-arising technology failed to satisfy the written description requirement. In so doing, the Federal Circuit...more

Robins Kaplan LLP

ANDA Litigation Settlements - Winter 2024

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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

Robins Kaplan LLP

Janssen Pharms., Inc. v. Teva Pharms. USA, Inc.

Robins Kaplan LLP on

Invega Sustenna® (paliperidone palmitate) - Case Name: Janssen Pharms., Inc. v. Teva Pharms. USA, Inc., Civ. Nos. 18-734, 19-16484, 2024 WL 5135666 (D.N.J. Dec. 17, 2024) (Cecchi, J.)  Drug Product and Patent(s)-in-Suit:...more

Robins Kaplan LLP

Galderma Labs., L.P. v. Lupin Inc.

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Oracea® (doxycycline USP) - Case Name: Galderma Labs., L.P. v. Lupin Inc., No. 2024-1664, 2024 WL 4998071 (Fed. Cir. Dec. 6, 2024) (Circuit Judges Moore, Linn, and Prost presiding; Opinion by Moore, C.J.) (Appeal from D....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

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

Lathrop GPM

Federal Circuit Upholds Validity of Entresto Patent In Precedential Decision Concerning Written Description and Enablement

Lathrop GPM on

In a Jan. 10 precedential ruling by the United States Court of Appeals for the Federal Circuit, the validity of the U.S. patent covering Novartis’s blockbuster drug Entresto was upheld, reversing an earlier decision by the...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

McDermott Will & Emery

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

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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

Alston & Bird

Patent Case Summaries | Week Ending December 20, 2024

Alston & Bird on

Teva Branded Pharmaceutical Products R&D, Inc., et al. v. Amneal Pharmaceuticals of New York, LLC, et al., No. 2024-1936 (Fed. Cir. (D.N.J.) Dec. 20, 2024). Opinion by Prost, joined by Taranto and Hughes....more

DLA Piper

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

DLA Piper on

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

WilmerHale

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

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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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2024

Mirror Worlds Technologies, LLC v. Meta Platforms, Inc., Appeal Nos. 2022-1600, -1709 (Fed. Cir. Dec. 4, 2024) In this appeal from the United States District Court for the Southern District of New York, the Federal...more

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