Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
Estoppel Doctrine in China's Patent System
The acting director of the US Patent & Trademark Office (PTO) granted a patent owner’s request for discretionary denial and denied institution of an inter partes review (IPR) proceeding, finding that the petitioner engaged in...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
As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more
[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more
Minerva Surgical, Inc. v. Hologic, Inc., No. 20-440: In the late 1990s, Csaba Truckai invented and patented a device to treat abnormal uterine bleeding. Truckai assigned his interest to his company, Novacept, which in turn...more
The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more
The case of Egenera, Inc. v. Cisco Systems, Inc. raised the question of whether inventors named on a patent can be repeatedly changed as litigation strategy changes. Because of judicial estoppel, the district court said no...more