News & Analysis as of

Patent Invalidity Patent Infringement Generic Drugs

Robins Kaplan LLP

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

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: 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

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

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

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

Smart & Biggar

2022 Highlights in Canadian Life Sciences IP and Regulatory Law

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Below are highlights from the Rx IP’s team’s 2022 updates (see also our Top 10 Rx IP Update Reads of 2022): Contents: 1. Patent decisions on the merits 2. PMNOC Regulations: Fifth-year anniversary of major amendments,...more

Knobbe Martens

When an Unmet Need May Not Be Enough

Knobbe Martens on

ADAPT PHARMA OPERATIONS LTD. V. TEVA PHARMS. USA, INC. Before Newman, Prost, and Stoll. Appeal from the United States District Court for the District of New Jersey. Summary: Recent attempts by competitors to achieve...more

McDonnell Boehnen Hulbert & Berghoff LLP

Amarin Pharma, Inc. v. Hikma Pharmaceuticals USA Inc. (Fed. Cir. 2020)

On September 3rd, the Federal Circuit affirmed under Rule 36 the decision by the District Court of Nevada (Du, J.) in March that the claims asserted by Amarin Pharma against West-Ward Pharmaceuticals International Ltd., Hikma...more

American Conference Institute (ACI)

[Virtual Event] Paragraph IV Disputes - October 6-7, 8:00 am-6:00 pm EDT

For the past 13 years, leading pharmaceutical patent litigators for brand name and generic drug companies gather at the Paragraph IV Disputes conference to discuss, debate, and analyze the latest trends, judicial rulings and...more

Smart & Biggar

Federal Court rejects Apotex’s invalidity allegations on claims for use of abiraterone acetate in combination with prednisone

Smart & Biggar on

On October 29, 2019, the Federal Court issued its final decision under the pre-amended Patented Medicines (Notice of Compliance) Regulations: Janssen Inc v Apotex Inc, 2019 FC 1355. Justice Phelan granted Janssen’s...more

McDermott Will & Emery

Definiteness, Drug Labels and Diclofenac, Oh My

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court’s invalidity and infringement judgments for patents directed to a topical nonsteroidal anti-inflammatory drug, finding that a patent claim reciting a...more

Bradley Arant Boult Cummings LLP

Federal Circuit Refuses to Resuscitate Prostate Cancer Drug Patent - Intellectual Property News

In a precedential decision delivered this week, the Federal Circuit shot down arguments from Appellants BTG International Limited; Janssen Biotech, Inc.; Janssen Oncology, Inc.; and Janssen Research & Development, LLC (BTG),...more

Knobbe Martens

Grunenthal GMBH v. Alkem Laboratories Limited

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Before Judges Reyna, Taranto, and Chen. Appeal from the U.S. District Court for the District of New Jersey. Summary: There may be no reasonable expectation of success in producing a specific polymorph of a compound when...more

Knobbe Martens

Federal Circuit Review - February 2019

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PTAB May Invalidate Claims on Reconsideration Based on Grounds Raised in the Institution Decision that Were Not Originally Instituted - In AC Technologies S.A., V. Amazon.Com, Inc., Blizzard Entertainment, Inc., Appeal No....more

Smart & Biggar

Apotex not permitted to plead promise-based invalidity grounds in Ontario section 8 lansoprazole action

Smart & Biggar on

This motion arose in the context of a section 8 action in which Apotex claims damages for delay in the issuance of its notice of compliance for its generic lansoprazole product (Takeda's PREVACID), due to prohibition...more

Knobbe Martens

Orexo AB, Orexo US Inc., v. Actavis Elizabeth LLC

Knobbe Martens on

Federal Circuit Summary - Before Newman, Hughes, and Stoll. Appeal from the United States District Court for the District of Delaware Summary: Objective indicia of nonobviousness cannot be dismissed merely because all...more

Knobbe Martens

Federal Circuit Review - May 2018

Knobbe Martens on

Priority Claims Cannot Be Incorporated by Reference - In Vanda Pharmaceuticals Inc. v. West-Ward Pharmaceuticals International Limited, Appeal Nos. 2016-2707 and 2016-2708, the Federal Circuit held that when a patent for a...more

McDermott Will & Emery

Ophthalmic Solution Claims Not Invalid, Not Infringed

McDermott Will & Emery on

In a patent infringement suit related to the generic version of the drug Combigan®, the US Court of Appeals for the Federal Circuit held that claims asserted by Allergan Sales, LLC, were not invalid but not infringed....more

McDonnell Boehnen Hulbert & Berghoff LLP

Merck Sharp & Dohme Corp. v. Hospira, Inc. (Fed. Cir. 2017)

The Federal Circuit continues its explication of the law of obviousness post-KSR Int'l. v. Teleflex Inc. (and Judge Pauline Newman continues to disagree with her brethren in some regards) in a decision handed down last...more

Schwabe, Williamson & Wyatt PC

Fresh From the Bench: Precedential Patent Cases From the Federal Circuit

In Merck v. Hospira, the only precedential case decided this week, a majority of the panel affirms a determination of obviousness, noting that despite the objective indicia supporting patentability, the claimed process was...more

Polsinelli

Federal Circuit Clarifies AIA On-Sale Bar Provision Applies Where Existence of Sale Is Public

Polsinelli on

Yesterday, the Federal Circuit provided much-anticipated guidance on the scope of the America Invents Act’s “on-sale” bar provision. Helsinn Healthcare S.A. v. Teva Pharmaceuticals USA, Inc., et al., Nos. 2016-1284, 2016-1787...more

Patterson Belknap Webb & Tyler LLP

Biosimilar Litigation Update

With the U.S. biosimilar pathway created by the Biologics Price Competition and Innovation Act (BPCIA) now fully up and running, there are now seven ongoing biosimilar litigations in the U.S. Here are brief updates on recent...more

McDonnell Boehnen Hulbert & Berghoff LLP

MBHB Snippets: A review of developments in Intellectual Property Law - Volume 14, Issue 2 (Spring 2016)

Pre-AIA and Post-AIA Issues Presented by the On-Sale Bar - The “on-sale” bar to patentability refers to a sale or offer for sale of an invention that can invalidate the patent for that invention. The...more

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