No Do-Overs: Voluntary Dismissal Does Not Reset Deadline for Stay
ASCENDIS PHARMA A/S v. BIOMARIN PHARMACEUTICAL INC. Before Lourie, Chen, and Stoll. Appeal from the United States District Court for the Northern District of California. Summary: A respondent in an...
Standing Still? Only if Injury-In-Fact Is Tied to the Claims at Issue
IRONSOURCE LTD. v. DIGITAL TURBINE, INC. Before Moore, Lourie, and Reyna. Appeal from the Patent Trial and Appeal Board. Summary: An appellant seeking to establish Article III standing based on...
Jeremiah Helm and Sean Murray Discuss Federal Circuit Decision on Patent Claim Language in Law360 Article
Knobbe Martens partners Jeremiah Helm and Sean Murray explored the Federal Circuit’s opinion on patent claim construction in Netflix Inc. v. DivX LLC in their latest Law360 column on the...
Litigation Update | March 2026
The Credibility of Experts Is in the Province of the Jury Ari Feinstein & Kathryn M. McCarthy Neither the fact that a damages expert’s testimony could have been presented more clearly, nor...
Corresponding Structure for a Means-Plus-Function Limitation Need Only Perform the Claimed Function, Not Other Unclaimed Functions
Richard Gramm, et al. v. Deere & Company Before Lourie, Reyna, and Cunningham. Appeal from the United States District Court for the Southern District of Iowa Summary: Disclosure of an additional function...
Conflict of Interest Does Not Automatically Extinguish Attorney-Client Privilege
THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK v. GEN DIGITAL INC.; QUINN EMANUEL URQUHART & SULLIVAN, LLP Before Dyk, Prost, and Reyna. Appeal from the United...
Software Claims Failed Alice Step One Where Purported Improvements Were Not Claimed
TRUSTEES OF COLUMBIA UNIVERSITY v. GEN DIGITAL INC. Before Dyk, Prost, and Reyna. Appeal from the United States District Court for the Eastern District of Virginia. Summary: Software claims were directed...
USPTO Joins DOJ in Supporting Permanent Injunctions for NPEs
Key Takeaway: The U.S. Patent and Trademark Office doubles down on its current pro-patentee stance by filing a statement of interest in district court, arguing that permanent injunctions should be...
How Ignoring Disclosed Structure Can Derail a Means-Plus-Function Case
GENUINE ENABLING TECHNOLOGY LLC v. SONY GROUP CORPORATION Before Dyk, Taranto, and Chen. Appeal from the United States District Court for the District of Delaware. Summary: The Federal Circuit affirmed summary judgment...
The Credibility of Experts Is in the Province of the Jury
WILLIS ELECTRIC CO., LTD. v. POLYGROUP LTD. (MACAO COMMERCIAL OFFSHORE) Before Moore, Stark, and Oetken (sitting by designation). Appeal from the United States District Court for the District of Minnesota....
Litigation Update | February 2026
Result-Oriented Claims and Section 101: Claiming the How Daniel Kiang & Brandon Cormier Result-oriented claims were found ineligible under 35 U.S.C ? 101 because the claims did not describe how...
Litigation Update | February 2026
Result-Oriented Claims and Section 101: Claiming the How Daniel Kiang & Brandon Cormier Result-oriented claims were found ineligible under 35 U.S.C ? 101 because the claims did not describe how...
Wireless TV Is So Main“stream”
GOTV STREAMING, LLC V. NETFLIX, INC. Before Prost, Clevenger, and Taranto. Appeal from the United States District Court for the Central District of California. Summary: A winning claim construction isn’t...
In Law360 Article, Jeremiah Helm and Sean Murray Explore Role of Expert Testimony in Patent Litigation
In the latest installment of their Law360 series on recent noteworthy Federal Circuit decisions, Knobbe Martens partners Jeremiah Helm and Sean Murray cover the court’s ruling in Barry v. DePuy...
Conceptual Similarity Does Not Go Arm in Arm With Substantial Similarity
RANGE OF MOTION PRODUCTS, LLC v. ARMAID COMPANY INC. Before Moore, Cunningham, and Hughes. Appeal from the United States District Court for the District of Maine. Summary: Functional aspects of...
Result-Oriented Claims and Section 101: Claiming the How
US PATENT NO. 7,679,637 LLC v GOOGLE LLC Before Moore, Hughes, and Stoll. Appeal from the United States District Court for the Western District of Washington. Summary: Result-oriented claims were...
Presented by Netflix—Grammar Police: An Exercise in Claim Construction
NETFLIX, INC. V. DIVX, LLC Before Moore, Dyk, and Taranto. Appeal from the Patent Trial and Appeal Board. Summary: Common principles of English grammar may be used to identify the...
Challenged Director-To-PTAB Instructions Did Not Require Notice-And-Comment Rulemaking
APPLE INC. v. SQUIRES Before Lourie, Taranto, and Chen. Appeal from the United States District Court for the Northern District of California. Summary: Challenged instructions that the PTO’s Director gave...
Federal Circuit Review | January 2026
January Federal Circuit Newsletter (Japanese) January Federal Circuit Newsletter (Chinese) Available Now: Federal Circuit Year in Review Report Knobbe Martens’ 2025 Federal Circuit Year in Review report, covering over...
Litigation Update | January 2026
Available Now: Federal Circuit Year in Review Report Knobbe Martens’ 2025 Federal Circuit Year in Review report, covering over 50 of the most noteworthy patent-related Federal Circuit decisions issued last...
Knobbe Martens’ 2025 Federal Circuit Year in Review Report Highlights Key Appellate Rulings and Patent Litigation Trends
IRVINE, Calif., January 27, 2026 – Knobbe Martens is pleased to share the latest edition of the firm’s Federal Circuit Year in Review report, covering over 50 of the most...