Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
5 Key Takeaways | Making Sense of §102 Public Use and On Sale Bars to Patentability
Unexpected Paths to IP Law with Dan Young and Colin White
How IP Can Fuel Your Startup's Growth
Navigating PTAB’s New Approach to IPR and PGR Discretionary Denial - Patents: Post-Grant Podcast
5 Key Takeaways | AI and Your Patent Management, Strategy & Portfolio
What Were the Cooler Wars? (Part 2) — No Infringement Intended Podcast
A Guide to SEP: Standard Essential Patents for Tech Startups
Hilary Preston, Vice Chair at Vinson & Elkins, Discusses Energy Innovation: Protecting Your Intellectual Property Portfolio
What Were the Cooler Wars? (Part 1) — No Infringement Intended Podcast
5 Key Takeaways | Building a Winning Evidentiary Record at the PTAB (and Surviving Appeal)
(Podcast) The Briefing: 2025 IP Resolutions Start With a Review of IP Assets
The Briefing: 2025 IP Resolutions Start With a Review of IP Assets
Wolf Greenfield Attorneys Review 2024 and Look Ahead to 2025
(Podcast) The Briefing: A Very Patented Christmas – The Quirkiest Inventions for the Holiday Season
The Briefing: A Very Patented Christmas – The Quirkiest Inventions for the Holiday Season
A Conversation with Phil Hamzik
5 Key Takeaways | Alice at 10: A Section 101 Update
PODCAST: Williams Mullen's Trending Now: An IP Podcast - IP and M&A Transactions
4 Tips for Protecting Your AI Products
The PTAB has returned to a more flexible and discretionary approach to denying post-grant proceedings, reintroducing the Fintiv factors and adding new considerations such as settled expectations and USPTO workload. These...more
AGILENT TECHNOLOGIES, INC. v. SYNTHEGO CORP. - Before Prost, Linn, and Reyna. Appeal from the Patent Trial and Appeal Board. Obviousness does not require all claimed limitations to be expressly disclosed in a primary prior...more
The US Court of Appeals for the Federal Circuit partially reversed a decision by the Patent Trial & Appeal Board, effectively relaxing the nexus requirements for patent licenses pertaining to their usage as objective indicia...more
Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
An argument could be made that one of the most significant Supreme Court decisions in U.S. patent law in the last thirty years was Dickinson v. Zurko. In that case the Court held that the Federal Circuit was bound by the...more
The U.S. Patent and Trademark Office (“USPTO”) Acting Director’s recent decision to deny institution of inter partes review (“IPR”) in iRhythm Technologies Inc. v. Welch Allyn Inc. offers valuable lessons for both patent...more
On June 6, 2025, Acting USPTO Director Stewart issued a decision in iRhythm Tech. v. Welch Allyn, Inc., IPR2025-00363, Paper 10 (and four related IPRs), which granted Patent Owner’s request for discretionary denial. This is...more
On May 23, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing a final written decision from the U.S. Patent Trial and Appeal Board (“PTAB”) finding the challenged...more
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
This Federal Circuit Opinion analyzed collateral estoppel and the extent to which the non-provisional document would benefit from the provisional application’s priority date, as it relates to Pre-AIA 35 U.S.C. § 102(e)....more
I have previously written extensively on the ongoing legal battle between Nintendo / The Pokémon Company (referred to herein collectively as simply "Nintendo") and PocketPair over PocketPair's popular video game Palworld....more
The Patent Trial and Appeal Board recently declined to institute a petition for IPR that was filed on the same day that the petitioner filed another petition challenging the same claims of the same patent. The board was not...more
The legal landscape quaked, and clients and counsel continue to navigate the tremors. More than 40 years of precedent was upended in May 2024 when a federal circuit court struck down the Rosen-Durling test for assessing...more
Recently, the Patent Trial and Appeal Board (“the Board”) was persuaded to consider the merits of three out of seven concurrent petitions for an inter partes review of a single patent due to the patent’s complicated claiming...more
Recentive Analytics, Inc. v. Fox Corp., et al., No. 2023-2437 (Fed. Cir. (D. Del.) Apr. 18, 2025). Opinion by Dyk, joined by Prost and Goldberg (sitting by designation). Recentive sued Fox for infringing four patents that...more
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board unpatentability determination, finding that a skilled artisan would have found the term “sterile” in a UK publication to mean the same as...more
SAGE PRODUCTS, LLC v. STEWART [OPINION] - Before Reyna, Cunningham, and Stark. Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board. The Board did not abuse its discretion by relying on...more
When a prevailing challenger withdraws from an appeal in post-grant proceedings, the Director can intervene under 35 U.S.C. § 143, which is what happened in an appeal in Sage Products, LLC v. Stewart after Challenger Becton...more
It is relatively uncommon for parties to submit expert declarations in the preliminary-response phase of an IPR proceeding, but recently the Patent Owner in Imperative Care, Inc. v. Inari Medical, Inc. effectively used that...more
AliveCor, Inc. v. Apple, Inc., No. 23-1512 (Fed. Cir. 2025) – On March 7, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s inter partes review (“IPR”) decisions invalidating all claims of three AliveCor...more
On March 4, 2025, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (“PTAB”) decision in Restem, LLC v. Jadi Cell, LLC, No. 23-2054, 2025 WL 679195, at *1 (Fed. Cir. Mar. 4, 2025), finding that the patent...more
IMMUNOGEN, INC. v. STEWART - Before Lourie, Dyk, and Prost. Appeal from the United States District Court for the Eastern District of Virginia. A solution to a problem can be obvious even when the problem itself was unknown in...more
CQV CO., LTD. v. MERCK PATENT GMBH - Before Cunningham, Chen, and Mayer. Appeal from the Patent Trial and Appeal Board. The Board erred by failing to explain why it discarded material and unrebutted evidence that a reference...more
The landscape of design patent law has recently evolved with the introduction of a new standard for determining obviousness. For decades, the Rosen-Durling test was used to assess obviousness of design patents....more
Honeywell filed a petition for inter partes review of 3G Licensing’s U.S. Patent No. 7,319,718, which claims a coding scheme for transmitting information in 3G mobile communication systems. The PTAB found none of the...more