In EcoFactor, Inc. v. Google LLC, the en banc United States Court of Appeals for the Federal Circuit reversed a district court’s denial of a new trial on damages because EcoFactor’s expert’s opinion was unreliable under Fed....more
In an en banc decision in EcoFactor, Inc. v. Google LLC, the US Court of Appeals for the Federal Circuit concluded that the district court abused its discretion by admitting testimony from a damages expert that a lump-sum...more
EcoFactor, Inc. v. Google LLC, Appeal No. 2023-1101 (Fed. Cir. May 21, 2025) In its first en banc decision of the year, the Federal Circuit reversed a district court’s admission of expert testimony concerning damages,...more
Last week, in EcoFactor, Inc. v. Google LLC, the Federal Circuit issued its first en banc decision in a utility patent case in several years. The case involves the gatekeeping function of district courts vis-à-vis expert...more
The United States patent system is designed to be a balance: in exchange for the inventor disclosing their invention to the public, pa-tentees are granted exclusive rights to that invention for a period of time. This ensures...more
This case is primarily about the Daubert standard as applied to expert testimony on damages. The Federal Circuit reversed the Northern District of California’s admission of expert testimony on damages, which relied on...more
Cyntec Company, Ltd. v. Chilisin Electronics Corp., Appeal No. 2022-1873 (Fed. Cir. Oct. 16, 2023) In this week’s Case of the Week, the Federal Circuit reversed and remanded a California district court’s judgment as a...more
Circuit Judge Bryson, sitting by designation in the US District Court for the District of Delaware, excluded a plaintiff’s damages expert opinion because the evidence relied upon by the expert was unreliable and therefore...more
Examining whether portfolio patent licenses can be sufficiently comparable to a single-patent license for the purposes of supporting a patent damages verdict, a split panel of the US Court of Appeals for the Federal Circuit...more