Complex damages analyses require skilled professionals who understand the law and facts of each case to navigate to success. The Federal Circuit’s recent en banc ruling in EcoFactor v. Google reiterates that point. The...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 district court erred by admitting untimely expert testimony on noninfringement and by refusing to grant a new trial after the jury found noninfringement. Trudell Medical International (“Trudell”) sued D R Burton...more
Experts play a key role in patent litigation as they explain complex technical issues including infringement, validity, and damages to judges and juries. The persuasiveness of their testimony can often mean the difference...more
In its turn, on September 17th, Senior Party ToolGen Inc. filed its Motion to Exclude certain evidence presented by Junior Party the University of California/Berkeley, the University of Vienna, and Emmanuelle Charpentier...more
In a precedential decision in HVLPO2, LLC v. Oxygen Frog, LLC, the Federal Circuit held that non-expert testimony on obviousness is inadmissible, further finding that the district court abused its discretion by allowing a lay...more