Podcast - Part I: Being an Expert Is a Lonely Business
Podcast: Don't Just Say It – Show It
Podcast - Expert Witnesses, Special Issues
Podcast - Direct Examination of Expert Witnesses
Chemical Engineering Expert Witness Experience & Discovery – IMS Insights Podcast Episode 48
Podcast: Science in the Courtroom
Bar Exam Toolbox Podcast Episode 159: Listen and Learn -- Evidence: Expert vs. Lay Witness Testimony
Podcast: What Witness Preparation Means
Podcast: Seven Witness Preparation Mistakes Lawyers Make
Podcast: Raise Your Right Hand, Miss Lillian
Jones Day Talks Intellectual Property: Blurrier Lines and Narrow Grounds—Implications of the Ninth Circuit’s Blurred Lines Decision
Episode 015: Confessions of a Business Appraiser: A Conversation with Chris Mercer
Inter Partes Review: Validity Before the PTAB
Supreme Court Raises the Bar for Class Certification in Comcast Corp. v. Behrend
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 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