Analysis of patent litigation, PTAB practice, prosecution and pharma IP, written on the data behind LexDana.
CASE OF THE WEEK Mondis Tech. Ltd. v. LG Electronics Inc. , Appeal Nos. 2023-2117, -2116 (Fed. Cir. Aug. 8, 2025) Our Case of the Week focuses on the written description requirement, and, in particular, how that requirement is considered following a jury…
CASE OF THE WEEK 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 trial between…
In the world of patent litigation, the PTAB has taken a central role, especially for disputes involving high-tech innovations. From software and semiconductors to digital communications, many of today’s most consequential patent battles play out not…
CASE OF THE WEEK IGT v. Zynga Inc. , Appeal No. 2023-2262 (Fed. Cir. July 22, 2025) In this week’s Case of the Week, the Federal Circuit examined the reviewability and merits of the Patent Trial Appeal Board’s decision to institute inter partes…
Written by : Jeremiah S. Helm, Ph.D. and Logan P. Young SHOCKWAVE MED., INC., V. CARDIOVASCULAR SYS., INC. Before Lourie , Dyk, and Cunningham. Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board in No. IPR2019-00405.…
Written by : Nathan D. Reeves and Cesar A. Estrada TOP BRAND LLC v. COZY COMFORT CO. LLC Before Dyk , Reyna, and Stark. Appeal from the United States District Court for the District of Arizona. Summary : Arguments presented during prosecution of a…
Written by : Daniel Kiang and Nefi R. Oliva COLIBRI HEART VALVE LLC v. MEDTRONIC COREVALVE, LLC Before Taranto , Hughes, and Stoll. Appeal from the United States District Court for the Central District of California. Summary: The Federal Circuit reversed a…
Written by : Justin J. Gillett and Alex Martin del Campo JANSSEN PHARMACEUTICALS, INC. v. TEVA PHARMACEUTICALS USA, INC. Before Prost, Reyna, and Taranto . Appeal from the United States District Court for the District of New Jersey. Summary : The Federal…
Over the past several years, patent litigation has gone through its share of ups and downs. Shifting legal standards, evolving strategies by patent owners and defendants, and broader economic factors have all played a role in defining the volume and nature…
CASE OF THE WEEK Top Brand LLC v. Cozy Comfort Company LLC , Appeal No. 2024-2191 (Fed. Cir. July 17, 2025) In this week’s Case of the Week, the Court of Appeals for the Federal Circuit held that prosecution history disclaimer applies to design…
CASE OF THE WEEK Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc. , Appeal Nos. 2025-1228, -1252 (Fed. Cir. July 8, 2025) Our Case of the Week focuses on obviousness. More particularly, the decision included a lengthy discussion on a…
Written by : Jacob R. Rosenbaum and Matthew Friedrichs EYE THERAPIES, LLC v. SLAYBACK PHARMA LLC Before Taranto, Stoll and Scarsi (sitting by designation) Summary: The patent’s prosecution history required a restrictive interpretation of the term…
