Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
Podcast: IP(DC): Inside Patent Reform Efforts, Anticipated Federal Circuit Appeals, and Patent Cases of the Upcoming Supreme Court Term
Is the Patent Litigation Boom Coming to an End?
In one of the first decisions regarding derivation proceedings under the America Invents Act (AIA), the US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s finding that an application...more
In October 2023, we reported on the district court decision in Sonos, Inc. v. Google LLC. The decision was notable for reviving the prosecution laches doctrine to render unenforceable a continuation patent filed 13 years...more
The Federal Circuit’s recent decision in Google LLC v. Sonos, Inc. (24-1097) offers a compelling look at the evolving doctrine of prosecution laches, the written description requirement, and the practical realities of patent...more
In Global Health Solutions LLC v. Selner, the Federal Circuit addressed for the first time an appeal from a derivation proceeding litigated before the Patent Trial and Appeal Board (PTAB) under the America Invents Act (AIA)....more
Precedential and Key Federal Circuit Opinions - LABORATORY CORPORATION OF AMERICA HOLDINGS v. QIAGEN SCIENCES, LLC [OPINION] (2023-2350, 08/13/2025) (Lourie, Dyk, Cunningham) - Lourie, J. The Court reversed the...more
On August 11, 2025, the Federal Circuit reversed the District of Utah’s ruling that all but one of the claims in PowerBlock Holdings, Inc.’s U.S. Patent No. 7,578,771 were invalid under 35 U.S.C. § 101. PowerBlock Holdings,...more
The US Court of Appeals for the Federal Circuit reversed a district court’s decision upholding patent validity, finding that the subject patent’s specification clearly established that the written description failed to...more
The Federal Circuit recently reversed a $4.7M verdict in a patent lawsuit involving two patents concerning next-generation sequencing methods—U.S. Patent Nos. 10,017,810 and 10,450,597. Both patents concern DNA preparation...more
Increasingly, plaintiffs in patent infringement suits are projecting sales through the expiration of the patent, discounting for present value, and then calling the resulting figure a “lump sum” royalty. ...more
Mondis Technology Ltd., et al. v. LG Electronics Inc., et al., Nos. 2023-2117, -2116 (Fed. Cir. (D.N.J.) Aug. 8, 2025). Opinion by Hughes, joined by Taranto and Clevenger....more
In a decision that should make every patent litigator pause before filing for preliminary relief, the Federal Circuit has vacated a preliminary injunction in FMC Corp. v. Sharda USA, LLC, No. 2024-2335 after finding that the...more
Jiaxing Super Lighting Electric Appliance, Co. Ltd. v. CH Lighting Technology Co., Ltd., Appeal No. 2023-1715 (Fed. Cir. July 28, 2025) In our Case of the Week, the Federal Circuit addressed three issues arising from a...more
On May 12, 2025, the Federal Circuit issued a decision in Regents of the Univ. of California v. Broad Inst., Inc.1 concerning the ongoing priority dispute relating to competing inventor groups for the CRISPR-Cas9 eukaryotic...more
[MITEK SYSTEMS, INC., v. UNITED SERVICES AUTOMOBILE ASSOCIATION [OPINION]] - Before Taranto, Schall, and Chen. Appeal from the United States District Court for the Eastern District of Texas. The plaintiff could not seek...more
OPTIS CELLULAR TECHNOLOGY, LLC v. APPLE INC. - Before Prost, Reyna, and Stark. Appeal from the United States District Court for the Eastern District of Texas. Patent plaintiffs have a right to a unanimous verdict on each...more
IN RE KOSTIC - Before Stoll, Clevenger, and Cunningham. Appeal from the Patent Trial and Appeal Board. When considering whether a reissue claim broadens the scope of the original patent, the PTAB determines the actual scope...more
ALNYLAM PHARMACEUTICALS, INC. v. MODERNA, INC. - Before Taranto, Chen, and Hughes. Appeal from the United States District Court for the District of Delaware. Once the high threshold for lexicography is met, there must be a...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
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
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
On May 12, 2025, the Court of Appeals for the Federal Circuit vacated-in-part and remanded a Patent Trial and Appeal Board (“PTAB”) decision in an interference proceeding concluding that the Broad Institute, Inc. (“Broad...more
Regents of the Univ. of California v. Broad Inst., Inc., No. 2022-1594, 2025 WL 1363125 (Fed. Cir. May 12, 2025) - On May 12, 2025, the U.S. Court of Appeals for the Federal Circuit vacated the Patent Trial and Appeals...more
The Regents of the University of California, et al. v. The Broad Institute, Inc., et al., Nos. 2022-1594, -1653 (Fed. Cir. (PTAB) May 12, 2025). Opinion by Reyna, joined by Hughes and Cunningham....more
The Regents of the University of California v. The Broad Institute, Inc., Appeal Nos. 2022-1594, -1653 (Fed. Cir. May 12, 2025) Must an inventor know their invention will work to demonstrate that they “conceived” of it? ...more
In its recent decision in Ingenico Inc. v. IOENGINE, LLC, the Federal Circuit affirmed the district court’s decision to allow Ingenico to introduce certain prior art at trial, finding that inter partes review (IPR) estoppel...more