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Expert Testimony Federal Rules of Evidence Patent Litigation

Irwin IP LLP

Unreliable Expert Testimony Shall Not Pass 

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On May 21, 2025, the Federal Circuit en banc banished the notion that the reliability of an expert’s methodology under Federal Rule of Evidence 702 (“Rule 702”) is a question of weight, not admissibility. The en banc Court...more

White & Case LLP

Federal Circuit Tightens Standard for Patent Damages Experts

White & Case LLP on

On May 21, 2025, the Federal Circuit issued an en banc decision in EcoFactor, Inc. v. Google LLC, highlighting the critical gatekeeping role of district courts under Federal Rule of Evidence 702 and Daubert standards,...more

Fish & Richardson

En Banc Federal Circuit Grants Google a New Trial in EcoFactor Case

Fish & Richardson on

On May 21, the U.S. Court of Appeals for the Federal Circuit, sitting en banc, released its opinion in EcoFactor, Inc. v. Google, LLC. In an 8-2 decision, the court reversed a $20 million jury verdict, holding that the...more

Farella Braun + Martel LLP

What Have We Learned From the First Six Months Under the New Federal Rule of Evidence 702?

As patent practitioners know, Daubert motions can be some of the most hotly contested and pivotal motions in the life of a patent case. These motions are used to exclude testimony from an opponent's expert witness, usually on...more

Jones Day

PTAB Webinar Addresses Hearsay and Authentication Issues

Jones Day on

On December 6, 2018, the PTAB hosted a Boardside Chat webinar on hearsay and authentication. The Administrative Patent Judges presenting the webinar were Michael Zecher, Tom Giannetti, and Grace Obermann. The webinar began...more

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