News & Analysis as of

Generic Drugs Patent Invalidity Patent Litigation

DLA Piper

Purdue Appeals Federal Circuit Obviousness Decision to the Supreme Court

DLA Piper on

Purdue Pharma (Purdue) has filed a petition for a writ of certiorari challenging a recent Federal Circuit decision upholding the invalidation of several Purdue patents on grounds of obviousness....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: 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

Venable LLP

Spotlight On: Rituxan® (rituximab) / Truxima® (rituximab-abbs) / Ruxience® (rituximab-pvvr) / Riabni™ (rituximab-arrx) - July 2025

Venable LLP on

Rituximab 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

Haug Partners LLP

Federal Circuit Provides Further Guidance on Obvious Type Double Patenting For Patents Sharing Common Priority

Haug Partners LLP on

On June 9th, 2025, the Federal Circuit issued a decision in Acadia Pharms. Inc. v. Aurobindo Pharma Ltd., affirming the district court’s grant of summary judgment of no invalidity for obviousness-type double patenting (OTDP)...more

DLA Piper

The Federal Circuit Upholds Drug Dosing Regimen as Valid and Nonobvious

DLA Piper on

In Janssen Pharmaceuticals, Inc. v. Mylan Laboratories., the United States Court of Appeals for the Federal Circuit affirmed a district court ruling that a pharmaceutical dosing claim limitation was nonobvious despite prior...more

Robins Kaplan LLP

Mallinckrodt Pharms. Ireland Ltd. v. Airgas Therapeutics LLC

Robins Kaplan LLP on

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

Robins Kaplan LLP

In re Entresto

Robins Kaplan LLP on

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

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

Womble Bond Dickinson on

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

Smart & Biggar on

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

American Conference Institute (ACI)

[Event] Paragraph IV Disputes Master Symposium - September 21st - 22nd, Chicago, IL

ACI’s 8th Annual Paragraph IV Disputes Master Symposium returns in person to Chicago on September 21-22! Join leading pharmaceutical patent litigators for brand name and generic drug companies to receive up-to-the-minute...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

McDermott Will & Emery

Just Because It’s Written Doesn’t Mean It’s Descriptive

Addressing the validity of patents involved in a Hatch-Waxman litigation, the US Court of Appeals for the Federal Circuit held that claims were invalid for lack of an adequate written description because the specification...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

Federal Circuit Review - February 2019

Knobbe Martens on

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

39 Results
 / 
View per page
Page: of 2

"My best business intelligence, in one easy email…"

Your first step to building a free, personalized, morning email brief covering pertinent authors and topics on JD Supra:
*By using the service, you signify your acceptance of JD Supra's Privacy Policy.
- hide
- hide