Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
On May 22, 2025, the CAFC affirmed the PTAB’s (Board) Final Written Decisions in Pfizer’s IPR2021-00925 and IPR2021-00926 finding all challenged claims of uniQure’s U.S. Patent No. 9,982,248 (“the ’248 patent”) unpatentable...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
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board patentability finding, explaining that an anticipation analysis for a product-by-process claim focuses on the product and not the process....more
All three of the challenges that the Patent Trial and Appeal Board (PTAB) instituted in 2022 resulted in a final written decision canceling the challenged patent. Two of the three final written decisions rendered in 2023 are...more
On November 15, 2023, Director of the United States Patent and Trademark Office (USPTO) Kathi Vidal designated as precedential the Patent Trial and Appeal Board’s (PTAB) final written decision in Penumbra, Inc. v. RapidPulse,...more
This case addresses the validity of two patents asserted against wireless communications technologies. In particular, this case discusses claim construction and post-issuance claim amendments that broaden the scope of...more
In a final written decision of an inter partes review proceeding, the Patent Trial and Appeal Board found all 12 claims of a challenged patent unpatentable as either anticipated or obvious. Each ground of unpatentability...more
The US Court of Appeals for the Federal Circuit found that the challenged patents were invalid as anticipated and obvious in a case involving claimed ranges and prior art that included teachings with overlapping ranges. UCB,...more
Sequoia Technology, LLC v. Dell, Inc., Appeal Nos. 2021-2263, -2264, -2265, -2266 (Fed. Cir. April 12, 2023) In an appeal from a stipulated judgment of noninfringement and invalidity following an adverse claim construction...more
In 2022, the Patent Trial and Appeal Board (PTAB) did not issue any final written decisions involving design patents. However, it did issue three decisions granting review of challenged design patents and three decisions...more
Last year, in our inaugural issue of “The Year in Review,” we reported that since the landmark jury verdict in the IP litigation between Apple and Samsung in 2012, which awarded more than $1B to Apple for infringement of...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
BLEPHEX, LLC. v. MYCO INDUSTRIES, INC. Before: Moore, Schall, and O’Malley. Appeal from the Eastern District of Michigan. Summary: Conclusory statements about how a skilled artisan would combine embodiments in a prior...more
Evidence Supports Prior Art’s Public Accessibility but Not the Board’s Adoption of an Unpresented Theory of Anticipation - In M & K Holdings, Inc. v. Samsung Electronics Co.,Ltd., Appeal No. 20-1160, the Federal Circuit...more
Earlier this month, in the precedential decision M & K Holdings v. Samsung Electronics Co., the Court of Appeals for the Federal Circuit (“the CAFC”) upheld the Patent Trial and Appeal Board (“the Board”) in finding certain...more
Samsung sought inter partes review of M&K’s U.S. Patent No. 9,113,163. The Board held all claims unpatentable. M&K appealed, arguing that the Board erred by relying on references that do not qualify as prior art printed...more
[co-author: Kathleen Wills] 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...more
Update: The litigation between Janssen and Hospira relating to the biosimilar INFLECTRA, including the appeal of the reconsideration decision, was discontinued in July 2021. As reported previously... the Federal Court had...more
The US Court of Appeals for the Federal Circuit found that facilitating browsing of documents on a website was sufficient to support public accessibility of prior art references, but that the Patent Trial and Appeal Board...more
M & K HOLDINGS, INC. v. SAMSUNG ELECTRONICS CO., LTD. Before Moore, Bryson, and Chen. Appeal from the Patent Trial and Appeal Board. Summary: Title-searchable publications shared on a prominent standards-setting...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
A district court has ruled that the statutory estoppel arising from an inter partes review (IPR) proceeding does not apply to anticipation and obviousness defenses that rely significantly on a physical device. The court also...more
WHAT DO WE KNOW? 1. On July 22, 2020, a sharply split Federal Circuit panel held that “[t]he PTAB correctly concluded that it is not limited by § 311(b) in its review of proposed substitute claims in an IPR, and that it...more
COCHLEAR BONE ANCHORED SOLUTIONS AB V. OTICON MED. AB - Before Taranto, O’Malley, and Newman. Appeal from the Patent Trial and Appeal Board. Summary: Anticipation and obviousness analysis by the PTAB is not impossible...more
In what may be simple happenstance, the Federal Circuit issued opinions on the same day reversing a District Court grant of summary judgment in opinions written by Judge Lourie, here in BASF Corp. v. SNF Holding Co....more