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
On August 11, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion reversing the decision of the U.S. District Court for the District of Utah that found certain claims of a selectorized dumbbell...more
Modern electro-mechanical systems—ranging from humanoid robots and automated assembly lines, to smart workout equipment and medical devices—combine mechanical and electronic components to automate the performance of physical...more
On September 17, 2024, Judges Taranto, Chen and Cunningham of the United States Court of Appeals for the Federal Circuit (“CAFC”) upheld the invalidation of a patent belonging to Angel Technologies Group, LLC and dismissed...more
On September 9, 2024, the United States Court of Appeals for the Federal Circuit (“CAFC”) reversed the U.S. District Court for the Northern District of California’s decision finding asserted claims invalid under 35 U.S.C. §...more
As discussed in a previous blog post, since Mayo v. Prometheus, critics of medical treatment patents have advocated that such patents should be banned from patenting. While such arguments seemed futile based on the consistent...more
Inter partes reviews (IPR) are limited by statute to grounds of invalidity under 35 U.S.C. §§ 102 (novelty requirement) and 103 (nonobviousness requirement) and on the basis of prior art patents or printed publications....more
In an inter partes review proceeding, a challenger cannot raise patent-eligibility as a ground of invalidity. Rather, the invalidity grounds are limited to lack of novelty and obviousness. ...more