Are Your Granted Patents in Danger of a Post-Grant Double Patenting Challenge?
The Briefing: A Prototypical Corporate Salesperson is Not Patentable
Podcast: The Briefing - A Prototypical Corporate Salesperson is Not Patentable
Ways to Amend the Claims in the Patent Invalidation Proceedings
Patent Right Evaluation Report in China’s Patent System
Stages of Patent Invalidation Proceedings
Fintiv, Inc. v. PayPal Holdings, Inc., No. 2023-2312 (Fed. Cir. (W.D. Tex.) Apr. 30, 2025). Opinion by Prost, joined by Taranto and Stark. Fintiv sued PayPal for infringement of four patents directed to “cloud-based...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s ruling that a software term was a “nonce” term that invoked 35 U.S.C. § 112, sixth paragraph (i.e., a means-plus-function claim element). The Court...more
On January 3, 2025, District Judge Jesse M. Furman granted Defendant Trustpilot, Inc.’s (“Trustpilot”) Motion to Dismiss Linfo IP, LLC’s (“Linfo”) complaint alleging that Trustpilot directly and indirectly infringed U.S....more
The Patent Trial and Appeal Board held all challenged claims of IGT’s patent unpatentable as obvious over two prior art patents. Zynga Inc. v. IGT, IPR2022-00199-32. In doing so, the PTAB further held that, contrary to...more
People.ai, Inc. v. Clari Inc., 2022-1364, (Fed. Cir. April. 7, 2023) - In an appeal before the Federal Circuit, plaintiff People.ai argued to no avail that the Northern District of California erred in its finding of...more
Precedential Federal Circuit Opinions - CELGENE CORPORATION v. MYLAN PHARMACEUTICALS INC. [OPINION] (2021-1154, 11/05/2021) (PROST, CHEN, and HUGHES) - Prost, J. This is a case about venue and pleading under the...more
File-Searching Software Patent Found to be Patent Eligible - Speedtrack sued Amazon for patent infringement of U.S. Patent No. 5,544,360 in the United States District Court for the Northern District of California. ...more
SUPREME AND FEDERAL COURT CASES - U.S. Supreme Court Denies Writ to Overturn Application of the Kessler Doctrine - The U.S. Supreme Court denied software developer’s SpeedTrack writ to overturn the Federal...more
Yesterday, the Federal Circuit issued a decision in Williamson v. Citrix that includes an en banc portion that broadens the circumstances in which claim limitations may be deemed means-plus-function limitations. This appears...more
The Ultramercial story is not over. In the latest step of a controversial case involving 35 U.S.C. § 101 that has been ongoing since 2009, patentee Ultramercial has petitioned the Supreme Court for a writ of certiorari. The...more