News & Analysis as of

Pharmaceutical Industry Obviousness Patent Invalidity

A&O Shearman

Federal Circuit clarifies presumption of obviousness for overlapping ranges

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After the Federal Circuit vacated and remanded the district court’s non-obviousness determination, the district court again found that Teva failed to show, by clear and convincing evidence, that the claims of Janssen’s patent...more

Robins Kaplan LLP

United Therapeutics Corp. v. Liquidia Techs., Inc.

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Nature of the Case and Issue(s) Presented: UTC’s ’782 patent claims a method for treating pulmonary hypertension (“PH”). PH manifests in different varieties, including pulmonary arterial hypertension (“PAH”) and pulmonary...more

Venable LLP

Jury Finds Botox® Patent Claims Nonobvious and Awards Damages from Daxxify® Sales

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On July 18, 2025, after a five-day trial, the jury in Allergan v. Revance Case No. 1:21-cv-01411 (D. Del.) entered a verdict finding claim 8 of Allergan’s U.S. Patent No. 7,354,740 (“the ’740 patent”), claim 6 of U.S. Patent...more

Venable LLP

Pembrolizumab Patent IPR Final Written Decision Issued and Director Review Requested

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On June 9, 2025, the Patent Trial and Appeal Board (“Board”) issued a Final Written Decision (“FWD”) in Merck’s IPR2024-00240 against The Johns Hopkins University’s (“JHU”) U.S. Patent No. 11,591,393 (“the ’393 patent”),...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

DLA Piper

Federal Circuit Refines Obviousness Framework for Drug and Biologic Dosing Regimens

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The United States Court of Appeals for the Federal Circuit recently affirmed a district court ruling that a pharmaceutical dosing claim limitation was unpatentable due to obviousness-type double patenting. The court found...more

McDonnell Boehnen Hulbert & Berghoff LLP

Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc. (Fed. Cir. 2025)

Completing a recent jurisprudential "hat trick,"* the Federal Circuit affirmed a District Court grant of a preliminary injunction against a biosimilar applicant for Regeneron's EYLEA biologic drug in Regeneron...more

McDonnell Boehnen Hulbert & Berghoff LLP

Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc. (Fed. Cir. 2025)

Note: This post addresses two Federal Circuit decisions issued on January 29, 2025.  Both appeals involved Plaintiff-Appellee Regeneron Pharmaceuticals, Inc., with the first appeal involving Defendant-Appellant Formycon AG...more

Robins Kaplan LLP

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

Cooley LLP

Precedential Federal Circuit Decision Overturns Lack of Written Description Based on Later-Discovered Technology

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On January 10, 2025, the US Court of Appeals for the Federal Circuit issued a precedential opinion in Novartis Pharmaceuticals Corp. v. Torrent Pharma Inc., reversing a lower court decision that claims of a Novartis patent...more

White & Case LLP

Federal Circuit Limits the Application of Obviousness-Type Double Patenting for Patents in the Same Family

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On August 13, 2024, a three-judge panel of the Court of Appeals for the Federal Circuit issued a decision, authored by Judge Lourie, in Allergan USA, Inc. v. MSN Laboratories Private Ltd., No. 24-1061, which limits the...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

Smart & Biggar

Federal Court of Appeal upholds invalidity of fampridine patent

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The Federal Court of Appeal (FCA) dismissed an appeal by Biogen and a cross-appeal by Taro from a decision of the Federal Court... dismissing two actions by Biogen under the Patented Medicines (Notice of Compliance)...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

Smart & Biggar

Federal Court of Appeal upholds decision finding Seedlings' LifeCard patent invalid and not infringed by Pfizer’s EpiPen

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On July 28, 2021, the Federal Court of Appeal (FCA) dismissed Seedling’s appeal from the Federal Court decision of Justice Grammond (2020 FC 1, previously reported), which concluded that certain claims of Seedlings' LifeCard...more

Smart & Biggar

Federal Court upholds validity of one pneumococcal vaccine patent, but holds two other patents invalid

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Update: Wyeth’s appeal was discontinued. On April 30, 2021, the Federal Court issued its decision relating to the validity of three patents relating to Pfizer’s PREVNAR 13, a 13-valent pneumococcal polysaccharide protein...more

Goodwin

Mylan Invalidates Another LANTUS Patent at the PTAB

Goodwin on

On March 26, 2021, the PTAB issued its Final Written Decision in Mylan Pharmaceuticals, Inc. v. Sanofi-Aventis Deutschland GMBH, IPR2019-01657, which involved Sanofi’s Patent RE47,614 (“’614 patent”) relating to its LANTUS...more

Smart & Biggar

Federal Court decision regarding glatiramer acetate finds one patent obvious and another valid and infringed

Smart & Biggar on

On January 6, 2021, the Federal Court issued its decision in two patent infringement actions pursuant to subsection 6(1) of the Patented Medicines (Notice of Compliance) Regulations involving Teva’s patents pertaining to the...more

Smart & Biggar

Seedlings’ LifeCard patent found invalid and not infringed by Pfizer’s EpiPen

Smart & Biggar on

Update: On July 28, 2021, the Federal Court of Appeal dismissed Seedling’s appeal from Justice Grammond’s decision: Seedlings Life Science Ventures, LLC v Pfizer Canada ULC, 2021 FCA 154 (see article here). On January 2,...more

Foley & Lardner LLP

Federal Circuit Reverses PTAB On Reasonable Expectation Of Success For TARCEVA Patent

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In OSI Pharmaceuticals LLC v. Apotex, Inc., the Federal Circuit reversed the PTAB’s determination that a Tarceva® patent was invalid as obvious because the decision was not supported by a reasonable expectation of success....more

Foley & Lardner LLP

Personalized Cancer Therapy Found Nonobvious

Foley & Lardner LLP on

In OSI Pharmaceuticals, LLC v. Aoptex Inc. (Fed. Cir. 2018-1925, Oct. 4, 2019), the Federal Circuit reversed the Patent Trial and Appeal Board’s (Board) decision that certain claims of US Patent No. 6,900,221 were...more

McDermott Will & Schulte

Equivalent Disclosure Used to Satisfy Written Description Requirement

Invoking a newly minted equivalent disclosure doctrine, a panel of the US Court of Appeals for the Federal Circuit found that the written description requirement of § 112 was satisfied in the interest of arriving at a...more

McDonnell Boehnen Hulbert & Berghoff LLP

Nalproprion Pharmaceuticals, Inc. v. Actavis Laboratories FL, Inc. (Fed. Cir. 2019)

Last week, the Federal Circuit reversed findings of non-obviousness and affirmed (over Chief Judge Prost's dissent) a finding that claims asserted in ANDA litigation were not invalid for failure to satisfy the written...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

Neal, Gerber & Eisenberg LLP

NGE IP Focus: Life Sciences

Neal Gerber Eisenberg and Wolters Kluwer have teamed up to bring you NGE IP Focus, a quarterly newsletter dedicated to intellectual property-related legal decisions. ...more

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