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Welcome to the Intellectual Property Litigation Newsletter, our review of decisions and trends in the intellectual property arena. In this edition, we learn that duping the court can prove costly, excluding a witness may...more
On June 25, 2025, Acting Director Coke Stewart released an informative decision vacating institution of inter partes review (“IPR”) based on two petitions that were primarily filed to present two different constructions....more
In a recent decision designated as Informative, the USPTO Director determined that the Patent Trial and Appeal Board abused its discretion by instituting two inter partes review proceedings challenging the same patent, based...more
The USPTO must reject a patent application if the applicant’s claim covers what the prior art already disclosed, and patent applicants may respond to such rejections with arguments that what they claimed was different. ...more
On June 30, 2025, the Federal Circuit issued a precedential opinion in Eye Therapies v. Slayback Pharma in which the court interpreted the transition phrase “consisting essentially of” to be a closed term excluding other...more
Many industries rely on design patents to protect the look and feel of their products—especially when aesthetics drive customer interest, brand identity, or market differentiation. In Top Brand LLC v. Cozy Comfort Company...more
This Federal Circuit opinion analyzes lexicography in the context of claim construction. Alnylam Pharmaceuticals owns U.S. Patent Nos. 11,246,933 (parent) and 11,382,979 (child). These patents relate to biodegradable...more
On June 30, 2025, the U.S. Court of Appeals for the Federal Circuit vacated a decision by the U.S. Patent Trial and Appeal Board (the “Board”) and remanded the case for further proceedings using a narrower construction of the...more
The Federal Circuit issued a precedential opinion in In re: Xencor, Inc.concerning written support for Jepson claims. The decision affirms the decision of the Appeals Review Panel (ARP) of the USPTO, which held that the...more
CrowdStrike, Inc. v. GoSecure, Inc., Nos. IPR2025-00068, -00070 (June 25, 2025) (designated informative on June 26, 2025). Order by Stewart, Acting Under Secretary of Commerce for Intellectual Property and Acting Director of...more
A Delegated Rehearing Panel (“DRP”) recently modified the PTAB’s construction of the claim term “workload” and remanded, giving Mercedes-Benz USA, LLC (“Petitioner”) another opportunity to challenge a processor patent....more
The Patent Trial and Appeals Board (“PTAB”) recently denied institution of an inter partes review (“IPR”), exercising its discretion under 35 U.S.C. § 314(a)and Apple Inc. v. Fintiv Inc., IPR2020-00019 (PTAB Mar. 20, 2020)...more
This Federal Circuit Opinion analyzes invalidity based on anticipation and obviousness, more specifically based on implicit claim construction of the claim limitation and inherent disclosures....more
The last 11 years have taught us much about the Federal Circuit; namely, that a majority of the judges simply do not seem to appreciate software. Given the statements that several have made in opinions, one might be able to...more
Semiconductor Components Indus., LLC v. Greenthread LLC, IPR2023-01242, -01243, -01244 (USPTO Apr. 30, 2025) - The USPTO Director’s recent decision in Semiconductor Components v. Greenthread squarely addresses a recurring...more
On April 23, 2025, the Federal Circuit rendered an opinion in Valve Corp. v. Ironburg Inventions Ltd. surrounding U.S. Patent No. 9,289,688 (the '688 patent"). This marks the second time that the Federal Circuit has weighed...more
In a patent-infringement case involving fiber-optic-cable assemblies, Magistrate Judge Steven I. Locke (E.D.N.Y.) recently rejected defendants’ arguments that two terms in the patent claims were indefinite under 35 U.S.C. §...more
On March 26, 2025, the U.S. Patent and Trademark Office released a memorandum introducing a new interim process for handling institution decisions in inter partes reviews (IPRs) and post-grant reviews (PGRs). The Office just...more
In Thermaltake Technology Co., Ltd. et al v. Chien-Hao Chen et al, IPR2024-01230, Paper 12 (PTAB Feb. 19, 2025), the PTAB granted the institution of inter partes review (“IPR”) while an ex parte reexamination (“EPR”) on the...more
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
The Patent Trial and Appeal Board (PTAB) recently designated its decision in Cambridge v. Sfara (IPR2024-00952) as an informative decision.[1] This designation addresses an important issue in inter partes review (IPR)...more
Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more
Ex parte reexamination (EPRx) comes with risks and rewards for both patent challengers and patent owners. Patent challengers enjoy a lower threshold for institution and avoid the estoppel risk of other post-grant proceedings...more
Last week a remarkably interesting Federal Circuit case was decided concerning whether an asserted reference was properly shown to qualify as prior art in the rejection of a pending patent application. The pending application...more
In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...more