Litigation Update | August 2025
An Examiner’s Allowance Does Not Create an “Especially Weighty” Presumption of Written-Description Support Justin J. Gillett & Alex Martin del Campo MONDIS TECHNOLOGY LTD., HITACHI MAXELL, LTD., NKA MAXELL HOLDINGS, LTD., MAXELL,...
Federal Circuit Holds District Court Abused Its Discretion by Excluding an Authenticating Witness
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....
Reversal on Reverse Doctrine of Equivalents
STEUBEN FOODS, INC. v. SHIBUYA HOPPMANN CORPORATION Before Moore, Hughes, and Cunningham. Appeal from the United States District Court for the District of Delaware. Summary: Conflicting expert testimony constituted substantial...
Inventor’s Testimony Regarding Actual Reduction to Practice Was Sufficiently Corroborated
DIONEX SOFTRON GMBH v. AGILENT TECHNOLOGIES, INC.
Before: Reyna, Chen, and Stark. Appeal from the Patent Trial and Appeal Board.
Summary: The PTAB did not err in considering evidence corroborating actual reduction to practice when determining priority in an interference proceeding.
