News & Analysis as of

Patent Invalidity Abbreviated New Drug Application (ANDA) Patent Litigation

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

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

Robins Kaplan LLP

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

Robins Kaplan LLP on

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

Sheppard Mullin Richter & Hampton LLP

UCB, Inc. v. Actavis Laboratories UT, Inc. No. 2021-1924, (Fed. Cir. Apr. 12, 2023)

This case addresses the legal framework for determining whether prior art anticipates a claimed range. The appropriate legal framework applies a different test depending on whether the prior art discloses a point within the...more

Sheppard Mullin Richter & Hampton LLP

2023 Federal Circuit Case Summaries

We are excited to share Sheppard Mullin’s inaugural quarterly report on key Federal Circuit decisions. The Spring 2023 Quarterly Report provides summaries of most key patent law-related decisions from January 1, 2023 to March...more

Robins Kaplan LLP

Vanda Pharms., Inc. v. Teva Pharms. USA, Inc.

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Case Name: Vanda Pharms., Inc. v. Teva Pharms. USA, Inc., Civ. No. 18-651-CFC, 2022 WL 17593282 (Dec. 13, 2022) (Connolly, J.)  Drug Product and Patent(s)-in-Suit: Hetlioz® (tasimelteon); U.S. Patents Nos. RE46,604 (“the ’604...more

McDermott Will & Emery

ANDA Filing Alone Insufficient for Induced Infringement of Method Patent

The US Court of Appeals for the Federal Circuit upheld a district court’s findings of invalidity and noninfringement in a Hatch-Waxman case involving two sets of method patents directed to modulating dosages of pirfenidone, a...more

McDonnell Boehnen Hulbert & Berghoff LLP

Genentech, Inc. v. Sandoz Inc. (Fed. Cir. 2022)

The Federal Circuit recently affirmed a district court judgment of invalidity for obviousness and for noninfringement for a series of patents challenged in ANDA litigation, in Genentech Inc. v. Sandoz Inc.  In doing so, a...more

McDermott Will & Emery

Long-Felt Need Not Felt Long Enough to Overcome Obviousness

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit upheld a finding that patents covering Narcan, a naloxone-based intranasal opioid overdose treatment, were obvious despite evidence of long-felt need. Adapt Pharma Operations...more

McDonnell Boehnen Hulbert & Berghoff LLP

FDA Approves Generic Restasis

On Wednesday, the U.S. Food and Drug Administration announced approval to Mylan Pharmaceuticals for a generic form of Allergan's RESTASIS® (Cyclosporine Ophthalmic Emulsion 0.05%) product for treatment of chronic dry eye. ...more

WilmerHale

CAFC Patent Cases - October 2021 #2

WilmerHale on

Precedential Federal Circuit Opinions - CELGENE CORPORATION v. MYLAN PHARMACEUTICALS INC. [OPINION] (2021-1154, 11/05/2021) (PROST, CHEN, and HUGHES) - Prost, J. This is a case about venue and pleading under the...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2020 Decisions

[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...more

Knobbe Martens

Federal Circuit Review - October 2019

Knobbe Martens on

The PTAB Cannot Approve or Deny Certificates of Correction - In Honeywell International, Inc. v. Arkema Inc., Arkema France, Appeal Nos. 2018-1151, -1153, the Patent Trial and Appeal Board (“Board”) does not have the...more

McDonnell Boehnen Hulbert & Berghoff LLP

HZNP Medicines LLC v. Actavis Laboratories UT, Inc. (Fed. Cir. 2019)

The Federal Circuit earlier this week affirmed a District Court's decision invalidating almost all of the claims asserted against an ANDA filer, in HZNP Medicines LLC v. Actavis Laboratories UT, Inc.  Nevertheless, because a...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

WilmerHale

Federal Circuit Patent Updates - January 2019

WilmerHale on

Barry v. Medtronic, Inc. (No. 2017-2463, 1/24/19) (Prost, Moore, Taranto) - Taranto, J. Affirming judgement of no invalidating public use of patents related to methods for correcting spinal column anomalies. Also...more

WilmerHale

Federal Circuit Patent Updates - February 2018

WilmerHale on

Nalco Company v. Chem-Mod, LLC (No. 2017-1036, 2/27/18) (Moore, Schall, O'Malley) - O'Malley, J. Reversing district court's dismissal of patent claims for failure to state a claim. The district court's dismissal of direct...more

McDonnell Boehnen Hulbert & Berghoff LLP

Eli Lilly and Company v. Perrigo Co. (Fed. Cir. 2017)

In an appeal decided last month, the Federal Circuit affirmed a decision by the District Court for the Southern District of Indiana finding claim 20 of U.S. Patent No. 8,435,944 to be invalid as obvious. The panel also...more

McDonnell Boehnen Hulbert & Berghoff LLP

District Court Allows Mohawk Tribe to Join ANDA Litigation, Finds Patents at Issue Invalid

In something of an anticlimax, Federal Circuit Judge William Bryson, sitting by designation on the bench of the U.S. District Court for the Eastern District of Texas, granted Allergan's motion to join the St. Regis Mohawk...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Thoroughly Reverses District Court Findings of Velcade® Patent Obviousness

On July 17, 2017, the United States Court of Appeals for the Federal Circuit reversed, in a precedential opinion in Millennium Pharmaceuticals, Inc. v. Sandoz, Inc., No. 2015-2066 (Fed. Cir. July 17, 2017), a district court...more

Dickinson Wright

Federal Circuit Clarifies Post-America Invents Act “On-Sale” Bar Based on Publicly Announced Sale Agreements: Invalidates Four...

Dickinson Wright on

On May 1st, the Federal Circuit ruled that the America Invents Act (AIA) did not change the statutory meaning of “on sale” where the existence of a sale was publicly announced prior to patenting, even if the sale did not...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

Akin Gump Strauss Hauer & Feld LLP

Moving From Everyday Dosing to Less Frequent Dosing is Obvious

In a consolidated Hatch-Waxman patent infringement action, a district court judge in Delaware recently found claims directed to a treatment for multiple sclerosis invalid as obvious....more

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