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Appeals Patent Invalidity Pharmaceutical Industry

A&O Shearman

UPC Court of Appeal clarifies approach to claim construction

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Insulet v EOFlow UPC_CoA_768/2024 (Ord_69078/2024) The Unified Patent Court (UPC) Court of Appeal has issued a significant decision that provides important guidance on the interpretation of patent claims in UPC...more

Haug Partners LLP

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

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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

Parker Poe Adams & Bernstein LLP

Life Sciences Companies Have New Avenue to Challenge Patent Applications After Federal Court Ruling

Drugmakers and other companies in the life sciences industry seeking to invalidate patents have another arrow in their quiver thanks to a recent federal court decision....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

Venable LLP

Federal Circuit Affirms Preliminary Injunction Decisions for EYLEA® Biosimilars

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On March 5, 2025, the Federal Circuit affirmed the grant of a preliminary injunction against the launch of Celltrion’s proposed EYLEA® (aflibercept) biosimilar CT-P42 in CAFC Case Nos. 24-2058 and 24-2147 (appealing from...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

A&O Shearman

UPC Court of Appeal confirms strict approach to correcting patent errors by interpretation

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Alexion Pharmaceuticals v Amgen (UPC_Coa-405/2024) and Alexion Pharmaceuticals v Samsung Bioepis NL BV (UPC_CoA-402/2024); December 20, 2024. The UPC Court of Appeal has confirmed a strict approach to correcting erroneous...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

McDermott Will & Schulte

Complex or Not Written Description Is Evaluated Against Claims

The US Court of Appeals for the Federal Circuit reversed a district court’s ruling of invalidity for lack of written description, finding that the district court erred in its analysis of written description because patents...more

Alston & Bird

Patent Case Summaries | Week Ending January 10, 2025

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Novartis Pharmaceuticals Corp. v. Torrent Pharma Inc., et al., Nos. 2023-2218, -2220, -2221 (Fed. Cir. (D. Del.) Jan. 10, 2025). Opinion by Lourie, joined by Prost and Reyna. The FDA approved a New Drug Application from...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

Fish & Richardson

Federal Circuit Evaluates Enablement for Antibody Claims for the First Time Since Amgen v. Sanofi in Baxalta Inc. et al. v....

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On May 18, 2023, the Supreme Court in Amgen Inc. v. Sanofi unanimously affirmed the Federal Circuit’s holding that U.S. Patent Nos. 8,829,165 and 8,859,741 did not enable certain functional genus claims describing a class of...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

Knobbe Martens

Silence Is No Support for Negative Claim Limitation

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NOVARTIS PHARMACEUTICALS CORP. V. HEC PHARM CO., LTD. Before Moore, Hughes, and Linn (dissenting). Appeal from the United States District Court for the District of Delaware. Summary:  Silence regarding the presence or...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

Goodwin

Sanofi Files Opposition to Amgen’s Petition for Federal Circuit to Reconsider Decision Invalidating Praluent Patents

Goodwin on

As we previously reported, in April 2021, Amgen petitioned for the full Federal Circuit to reconsider the decision of a three-judge panel that two of Amgen’s patents, U.S. Patent Nos. 8,829,165 (the “’165 patent”) and...more

WilmerHale

CAFC Patent Cases - May 2021 #2

WilmerHale on

Precedential Federal Circuit Opinions - CAP EXPORT, LLC v. ZINUS, INC. [OPINION]  (2020-2087, 5/5/21) (Dyk, Bryson, Hughes) - Dyk, J. Affirming decision to set aside judgment and injunction pursuant to Federal Rule of...more

Morrison & Foerster LLP - Federal Circuitry

Last Week in the Federal Circuit (July 27-31): Gambling on an APA Challenge

It was a moderately eventful week at the Federal Circuit as the judges geared up for their August argument session and perhaps returned from their summer vacations. The Court issued 13 opinions and 2 orders on petitions for a...more

McDermott Will & Schulte

Definiteness, Drug Labels and Diclofenac, Oh My

McDermott Will & Schulte 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 & 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

Smart & Biggar

Rx IP Update - March 2019

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Federal Court finds invalidity allegations relating to patent for metformin formulations not justified - On March 8, 2019, Justice Fothergill granted Valeant Canada’s application for an order prohibiting the Minister of...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

McAfee & Taft

Gavel to Gavel: Supreme Court provides clarity

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Originally published in The Journal Record | January 31, 2019. This month, the U.S. Supreme Court issued its opinion in Helsinn Healthcare v. Teva Pharmaceuticals, confirming that private sales of an invention may preclude...more

Troutman Pepper Locke

CAFC Affirms PTAB’s Decision To Invalidate Cialis and Adcirca Patents

Troutman Pepper Locke on

In a recent decision, the Court of Appeals for the Federal Circuit (CAFC) affirmed decisions in two inter-partes review (IPR) proceedings that patents owned by ICOS Corporation directed to tadalafil formulations (used in the...more

Knobbe Martens

Abbvie Inc. v. Medimmune Limited

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Federal Circuit Summaries - Before Prost, Dyk and Chen. Appeal from the United States District Court for the Eastern District of Virginia. Summary: A party may not seek a declaratory judgment to obtain piecemeal...more

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