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On July 29, 2025, Chief Administrative Patent Judge Scott R. Boalick circulated a memorandum to Members of the PTAB entitled “Final Written Decision Procedures for AIA Trial Proceedings.” ...more
A recent memo from the acting director of the US Patent and Trademark Office directs the Patent Trial and Appeal Board (PTAB) to reject inter partes review (IPR) petitions that use “applicant admitted prior art (AAPA), expert...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 a precedential ruling that underscores the importance of consistency in claim drafting, the United States Court of Appeals for the Federal Circuit reversed a claim construction based on an improper interpretation of the...more
For the first time under the bifurcated institution procedures, the Acting Director reversed her own prior discretionary denial, citing changed circumstances based on a settlement in the parallel district court litigation. ...more
Challengers striving to beat higher-ranked opponents at the US Open tennis tournament happening now in New York are not the only challengers facing tricky new situations. Parties wishing to challenge the validity of US...more
Sterne Kessler’s U.S. IP Update is a newsletter delivering the latest developments in U.S. intellectual property law, tailored for companies and legal counsel in Korea. Stay informed on key court decisions, policy changes,...more
In the recent decision of NOCO Company v. Brown and Watson International Pty Ltd [2025] FCA 887, Moshinsky J has provided welcomed clarity around the relevant date by which the best method known to the applicant is to be...more
Jiaxing Super Lighting Elec. Appliance Co. Ltd. v. CH Lighting Tech. Co., Ltd., No. 23-1715 (Fed. Cir. 2025) – On July 28, 2025, the Federal Circuit issued a decision affirming in part, reversing in part, vacating in part,...more
On August 11, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued an opinion reversing the decision of the U.S. District Court for the District of Utah that found certain claims of a selectorized dumbbell...more
On August 19, 2025, the U.S. Court of Appeals for the Federal Circuit issued an opinion affirming the U.S. District Court for the Eastern District of Louisiana’s grant of summary judgment that claims of Wilco Marsh Buggies &...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
This Federal Circuit opinion analyzes the presumption of obviousness and the obviousness challenge based on prior art that describes a wider range of doses than what is claimed....more
FMC Corp. v. Sharda USA, LLC - Before Moore, Chen, and Barnett. Appeal from the Eastern District of Pennsylvania. The district court erred by construing a claim term based on disclosures made in a provisional application and...more
ACI’s virtual Annual Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA equips early-career professionals with the legal and regulatory fluency needed to contribute meaningfully to product strategy and...more
JIAXING SUPER LIGHTING ELECTRIC APPLIANCE, CO. v. CH LIGHTING TECHNOLOGY CO., LTD. - Before Dyk, Chen, and Hughes. Appeal from the United States District Court for the Western District of Texas. The Federal Circuit reversed...more
IGT v. ZYNGA INC. - Before Prost, Reyna, and Taranto. Appeal from the Patent Trial and Appeal Board (PTAB). Interference estoppel does not apply when the interference was terminated due to a threshold issue....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
The Patent Trial and Appeal Board (PTAB) has undergone significant changes in how it evaluates patent challenges, creating both opportunities and obstacles for technology and life sciences companies....more
MONDIS TECHNOLOGY LTD., HITACHI MAXELL, LTD., NKA MAXELL HOLDINGS, LTD., MAXELL, LTD. v. LG ELECTRONICS INC., LG ELECTRONICS USA, INC. - Before Taranto, Clevenger, and Hughes. Appeal from the United States District Court...more
Returning to its decision in Kroy IP, the US Court of Appeals for the Federal Circuit denied a petition for panel rehearing and rehearing en banc, leaving undisturbed its prior opinion that collateral estoppel does not apply...more
The US Court of Appeals for the Federal Circuit vacated and remanded a preliminary injunction (PI), finding that the district court improperly construed a claim term based on references cited in a provisional application but...more
The Patent Office recently announced that it will begin enforcing a rule that requires that inter partes review (IPR) petitions “specify where each element of the claim is found in the prior art patents or printed...more
Modern electro-mechanical systems—ranging from humanoid robots and automated assembly lines, to smart workout equipment and medical devices—combine mechanical and electronic components to automate the performance of physical...more
Denosumab Challenged Claim Types in Litigation: Claims are counted in each litigation, so claims from the same patent challenged in multiple litigations are counted more than once. Within each litigation a claim is counted...more