Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
Estoppel Doctrine in China's Patent System
In a precedential opinion entered on May 7, 2025, the United States Court of Appeals for the Federal Circuit affirmed a jury verdict invalidating claims of two patents for anticipation and obviousness over the prior art....more
2023 was a busy year at the Patent Trial and Appeal Board, as post-grant practice continued to evolve at a rapid pace. At the United States Patent and Trademark Office, there were big developments in Director Review and...more
If the scope of the IPR estoppel statute has been keeping you up at night, our latest case of the (recent) week might help you sleep a little better because it provides clarity on two aspects of the statute’s reach. ...more
Precedential Federal Circuit Opinions - In Re MCDONALD [OPINION] (2021-1697, 8/10/2022) (Newman, Stoll, and Cunningham) - Cunningham, J. The Court affirmed a PTAB decision rejecting reissue claims under 35 U.S.C. §...more
Earlier this month, in the precedential decision Uniloc 2017 LLC v. Facebook Inc., the Court of Appeals for the Federal Circuit (“the CAFC”) upheld the Patent Trial and Appeal Board (“the Board”) on the issue of estoppel (or...more
Wow—it was a busy week at the Court last week. Lots of opinions, and lots of precedential ones. There were lots of good choices out there, so we sort of threw a dart at a board to see which one to write about. In the end,...more
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 largely continue its operations....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
As a result of feedback it received, the PTAB introduced a new web portal that allows any member of the public to nominate a decision for precedential or informative designation. The request must provide information about the...more
In 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more
Post-Grant Review Proceeding Filings Ramp Up In addition to inter partes review (IPR) and covered business method (CBM) review proceedings, the America Invents Act (AIA) provides for post-grant review (PGR) proceedings. PGR...more
Addressing a motion to terminate post-grant review based on a final written decision in another proceeding directed to some of the challenged claims, the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB...more
The Patent Trial and Appeal Board recently designated as precedential its decision in Westlake Services, LLC v. Credit Acceptance Corp., CBM2014-00176, Paper 28 (PTAB May 14, 2015) addressing the scope of estoppel under 35...more