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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

Wilson Sonsini Goodrich & Rosati

Federal Circuit Revives CRISPR-Cas9 Patent Priority Dispute

The CRISPR-Cas9 patent landscape remains complex and unsettled. The Federal Circuit’s latest decision in University of California v. Broad Institute1 revived the high-stakes dispute between UC2 and Broad3 over foundational...more

Wilson Sonsini Goodrich & Rosati

Method of Treatment Claim’s Limiting Preamble Must Satisfy the Written Description Requirement

On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit issued a decision in the case of In Re: Xencor, Inc. In this Appeal from the Appeals Review Panel of the Patent Trial and Appeal Board (ARP), with regard to...more

DLA Piper

Federal Circuit Refines Obviousness Framework for Drug and Biologic Dosing Regimens

DLA Piper on

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

Foley & Lardner LLP

Jepson Claim Format Does Not Avoid Written Description Scrutiny

Foley & Lardner LLP on

Current written description jurisprudence can make it difficult to obtain broad antibody patents, leading practitioners to explore alternative claiming strategies in an effort to bypass the limited scope afforded under the...more

Cooley LLP

End of the Road for Jepson Format Claims in the Life Sciences?

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In In re: Xencor, Inc., the US Court of Appeals for the Federal Circuit confirmed that the limiting preamble of a Jepson claim must be supported by the specification with “sufficient written description.” In its decision, the...more

Goodwin

The Court of Appeals for the Federal Circuit’s In Re Xencor Decision: Jepson Claims Require Written Description for Their...

Goodwin on

On March 13, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Xencor, Inc. (the Xencor decision). The Xencor decision affirms the decision of the Appeals Review Panel...more

McDermott Will & Emery

Inventor’s Motivation to Combine Does Not Control Obviousness

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court decision rejecting claims of a patent application directed to a dosing regimen for a cancer treatment, finding the claims to be obvious where the...more

Smart & Biggar

FCA sets aside PMPRB’s order that Galderma’s patent claiming 0.3% adapalene “pertained to” 0.1% adapalene DIFFERIN

Smart & Biggar on

On December 3, 2024, the Federal Court of Appeal (FCA) set aside the order of the Patented Medicine Prices Review Board (PMPRB or Board) that had required Galderma to continue to provide information to the PMPRB in relation...more

A&O Shearman

Dutch District Court rules on the plausibility standard on the merits (apixaban)

A&O Shearman on

In this note, we will discuss the latest decisions on the merits from the Dutch patent court on the matter of plausibility and inventive step. These were handed down in two cases (BMS v Sandoz and BMS v Teva) on 30 October...more

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

Mind Your Ps and Qs, and Your PTAs Too

Last week, the Federal Circuit held that obviousness-type double patenting trumps patent term adjustment, opening the door for invalidity attacks that to date had been questionable. In re Cellect was an appeal from a...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - October 2022

Provisur Technologies, Inc. v. Weber, Inc., Appeal Nos. 2021-1942, -1975 (Fed. Cir. Sept. 27, 2022) - In this week’s Case of the Week, the Federal Circuit reviewed an IPR decision and addressed the Patent Trial and Appeal...more

Knobbe Martens

Cancer Drug Patent Not Dead Yet

Knobbe Martens on

(Mar. 31, 2022) Last Friday, ImmunoGen won an appeal at the Federal Circuit in ImmunoGen, Inc. v. Hirshfeld. The lawsuit is a civil action to order the granting of U.S. Application No. 14/509,809 (‘809), titled “Anti-FOLR...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more

Knobbe Martens

Silence May Support Negative Claim Limitation

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NOVARTIS PHARMACEUTICALS v. ACCORD HEALTHCARE INC. Before Moore, Linn, and O’Malley. Appeal from the United States District Court for the District of Delaware. Summary: A patent application that was silent about a...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2021

Belcher Pharmaceuticals, LLC v. Hospira, Inc., Appeal No. 2020-1799 (Fed. Cir. Sept. 1, 2021) - In an appeal from the United States District Court for the District of Delaware, the Federal Circuit affirmed the district...more

Fenwick & West LLP

Written Description of Therapeutic Efficacy

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Inventors are generally counseled to file a patent application as soon as they have a patentable invention to avoid potential forfeiture of important rights in today’s first inventor-to-file system. However,...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

Akin Gump Strauss Hauer & Feld LLP

“Consisting Essentially Of:” Expanding the Scope of Indefiniteness

The Federal Circuit recently affirmed a district court’s determination, holding a group of patents invalid for indefiniteness. In December 2014, HZNP Medicines LLC (“Horizon”) brought suit against Actavis Laboratories UT,...more

McDermott Will & Emery

Mismatch Between Claims and Specification Leads to Invalidity

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) invalidity decision in an interference proceeding, finding that the written description of the patent at issue did not describe...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - July 2019 #3

PATENT CASE OF THE WEEK - General Electric Co. v. United Techs. Corp., Appeal No. 2017-2497 (Fed. Cir. July 10, 2019) - The Case of the Week focuses on standing to bring an appeal of an adverse decision by the PTAB in...more

Knobbe Martens

The Doctrine of Equivalents May Apply Despite Restriction Requirements and Narrow Claiming

Knobbe Martens on

UCB, INC. v. WATSON LABORATORIES INC. Before Taranto, Schall, and Chen. Appeal from the United States District Court for the District of Delaware. Summary: Application of the doctrine of equivalents may not be barred...more

Shook, Hardy & Bacon L.L.P.

"Secret Sale" of Drug Counts as Prior Art in Patent Battle

On January 22, 2019, the U.S. Supreme Court affirmed the U.S. Court of Appeals for the Federal Circuit’s decision in Helsinn Healthcare S.A. v. Teva Pharmaceuticals USA, Inc., No. 17-1229 (Jan. 22, 2019)....more

Smart & Biggar

Rx IP Update - February 2019

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Orders of prohibition relating to polymorphic form patent for PRISTIQ upheld on appeal - As previously reported, the Federal Court, in a pair of decisions, granted orders prohibiting Apotex and Teva from marketing their...more

McDermott Will & Emery

Secret Sales Still Qualify as Prior Art Under AIA

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Addressing whether the on-sale bar of America Invents Act (AIA) 35 USC § 102(a)(1) applies to confidential sales where specific details are not made public, the Supreme Court of the United States found that the post-AIA...more

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