Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
Estoppel Doctrine in China's Patent System
Contour IP Holdings, LLC, v. GoPro, Inc., Case No. 17-cv-04738-WHO (N.D. Cal. March 24, 2025) - The estoppel provision of the American Invents Act (AIA) (35 U.S.C. § 315(e)(2)) prevents a petitioner in an inter parties...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
An ITC Administrative Law Judge (ALJ) recently issued an initial determination holding that PGR estoppel prevented GMG Products LLC (Respondent) from raising two prior-art products in the ITC....more
Ex parte reexaminations have re-emerged as an increasingly important component of patent litigation and licensing negotiations. With the passage of the America Invents Act (“AIA”) and the advent of inter partes reviews...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
A Post-Grant Review can be used to challenge newly-issued patents on wide-ranging grounds, but PGRs remain relatively unpopular: statutory estoppel may be a reason why....more
[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...more
The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more
There is no doubt that “the potential for estoppel is one of the important considerations for defendants in deciding whether or not to file an [inter partes review (“IPR”)] petition.” Shaw Indus. Grp., Inc. v. Automated Creel...more
Inter partes review has become an enormously popular method of challenging patents. One important downside of filing for IPR, however, is that, if the petitioner loses, it faces an estoppel that could prevent it from raising...more
In 2012, the American Invents Act created Inter Partes review (“IPR”) and related proceedings that allowed parties to request that the Patent Office institute a trial to determine the patentability of issued claims. Over the...more
Our report includes discussions of six of the precedential cases decided in the past week and will include the other three cases in next week’s report. In Aylus v. Apple, the panel finds prosecution disclaimer in a...more
Recent patent reform legislation, rule changes, and court rulings are expected to have a significant impact on the strategies of both patent owners and petitioners....more
In 2011, the Leahy-Smith America Invents Act (“AIA”) established new post-issuance procedures for challenging the validity of a granted patent before the Patent Trials and Appeal Board (“PTAB” or “Board”). Inter partes...more
The inter partes review estoppel provision (35 U.S.C. § 315(e)) says that a petitioner (or real party in interest) in an IPR that results in a final written decision on a patent claim may not assert validity in a U.S. Patent...more
On March 23, 2016, the Federal Circuit addressed the scope of the estoppel provision for inter partes reviews (“IPRs”) contained in Section 315 of the American Invents Act. The Court relied on the plain reading of “during”...more
An obvious but sometimes overlooked item when conducting patent due diligence is to check for PTAB proceedings (CBM, IPR, or PGR). Although the Patent Application Information Retrieval System (PAIR) does show whether patents...more
When inter partes review (IPR) proceedings became effective in September 2012, few people would have predicted the transformative effect it would have on patents and the litigation landscape. Three years in, IPR has become...more
By Shaun R. Snader[1] & George C. Beck The post-grant proceedings established by the America Invents Act – inter partes review (IPR), covered business method (CBM) review, and post-grant review (PGR) –promise faster,...more