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PTAB Law Blog

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By: Rothwell Figg

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D. Lawson Allen
Michael V. Battaglia
Eric D. Blatt
C. Mathis Brazeal
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Derek F. Dahlgren
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Rothwell Figg
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Bryan Thompson
Stephanie Waltersdorff
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Martin M. Zoltick

Latest from PTAB Law Blog

PTAB Law Blog

Understanding the PTAB’s Recent Informative Decision: Cambridge Mobile Telematics, Inc. v. Sfara, Inc.

By James Pawlowski
April 10, 2025

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) proceedings: inconsistent claim construction arguments between district court…

PTAB Law Blog

The Federal Circuit Opines on a Motivation to Combine

By Michael Saunders
April 3, 2025

The Federal Circuit’s holding in United Servs. Auto. Ass’n v. PNC Bank N.A., No. 2023-2171, 2025 WL 339662 (Fed. Cir. Jan. 30, 2025) reversed a Patent Trial and Appeal Board (“PTAB”) decision finding no motivation to combine.  The opinion is…

PTAB Law Blog

Product-by-Process Analysis: Invalidity ≠ Infringement

By Stephanie Waltersdorff
March 20, 2025

On March 4, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (“PTAB”) decision in Restem, LLC v. Jadi Cell, LLC, No. 23-2054, 2025 WL 679195, at *1 (Fed. Cir. Mar. 4, 2025), finding that the patent challenger…

PTAB Law Blog

USPTO Withdraws June 2022 Guidance on Fintiv Denials

By Kristen Logan
March 4, 2025

On Friday, February 28, 2025, the United States Patent and Trademark Office (USPTO) announced the withdrawal of the June 2022 memorandum titled “Interim Procedure for Discretionary Denials in AIA Post-Grant Proceedings with Parallel District Court Litigation,” which had been issued…

PTAB Law Blog

PTAB’s Jurisdiction Over Expired Patents Confirmed by Federal Circuit

By Stephanie Waltersdorff
February 10, 2025

On January 27, 2025, the Federal Circuit held that the Patent Trial and Appeal Board (“PTAB”) “has jurisdiction over IPRs concerning expired patents.” See Apple Inc. v. Gesture Tech. Partners, LLC, 2025 WL 299939, *2 (Fed. Cir. Jan. 27, 2025).…

PTAB Law Blog

Unclear Analysis at the PTAB Leads to Confusion at the Federal Circuit

By Michael Saunders
February 5, 2025

The Federal Circuit’s recent decision in Palo Alto Networks, Inc. v. Centripetal Networks, LLC, No. 2023-1636, 2024 WL 5114204 (Fed. Cir. Dec. 16, 2024) concerns an obviousness determination based on a motivation to combine.  Below is a discussion of the…

PTAB Law Blog

Director Review Codified as Director Vidal Steps Down—What is this Power and How Did Vidal Wield It?

By Bryan Thompson
January 30, 2025

With U.S. Patent and Trademark Office (USPTO) Director Kathi Vidal’s return to private practice in December 2024 and the future permanent Director yet to be tapped for nomination, it is a good time to reflect on one of the most…

PTAB Law Blog

Federal Circuit Reverses PTAB’s holding of Non-Obviousness of Standard Adopted 3G Technology

By James Pawlowski
January 14, 2025

The recent decision by the Federal Circuit in Honeywell International Inc. v. 3G Licensing, S.A., issued on January 2, 2025, overturned the Patent Trial and Appeal Board’s (“the Board”) factual and legal holdings in the final written decision of IPR2021-00908.…

PTAB Law Blog

Trial Statistics Trends at the PTAB: 2024 Edition

By Stephanie Waltersdorff
January 6, 2025

At the end of each fiscal year running from October 1 through September 30, the Patent Trial and Appeal Board (“PTAB”) provides a summary of its trial statistics. [1] This information provides practitioners with useful insight into trends at the…

PTAB Law Blog

PTAB Finds Another Patent Fails to Pass Muster Under 101

By Nicole M. DeAbrantes
November 11, 2024

At the end of October, the U.S. Patent Trial and Appeal Board (“PTAB”) issued a final written decision in PGR2023-00023, finding all claims of a patent owned by Halliburton Energy Services unpatentable under 35 U.S.C. § 101.

Profrac Holding Corp…

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