Estoppel Doctrine in China's Patent System
In Kroy IP Holdings, LLC v. Groupon, Inc., 127 F.4th 1376 (Fed. Cir. 2025), the Federal Circuit held that patentees in district court are not collaterally estopped from asserting claims that were not immaterially different...more
Speakers will offer updates, case summaries, and analysis of the significant 2022 PTAB guidance, actions, and rulings. Topics include: the Director’s 2022 Fintiv guidance, PTAB discretionary denial, the use of applicant...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
In conjunction with the release of the firm's year-in-review report, speakers will offer case summaries and analysis of the significant 2022 appellate rulings discussed in the report. Topics of the featured intellectual...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
Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no exception. It briefly returned to live...more
[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more
In a relatively quiet third quarter of 2020, the Federal Circuit decided issues on joinder, estoppel, claim preclusion, and importantly, upheld the Patent Trial and Appeal Board process finding that cancellation of patent...more
IPR petitioners wary of the statutory estoppel under 35 U.S.C. § 315(e)(2) may have reason to be cautiously optimistic. Judge Sue Robinson of the Federal District Court of Delaware recently held that Toshiba is not estopped...more
In This Issue: - After B&B Hardware, What is the Full Scope of Estoppel Arising From a PTAB Decision in District Court Litigation? - When You Don’t Know What You Know: The Role of Unappreciated Inherency in the...more