News & Analysis as of

Federal Rules of Evidence Appeals Patent Litigation

Hudnell Law Group

Federal Circuit Enforces Gatekeeping Role in Patent Damages Testimony

Hudnell Law Group on

On May 21, 2025, the United States Court of Appeals for the Federal Circuit, sitting en banc, reversed a $20 million damages award against Google LLC in a patent infringement dispute with EcoFactor, Inc. EcoFactor, Inc. v....more

Irwin IP LLP

Unreliable Expert Testimony Shall Not Pass 

Irwin IP LLP on

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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - October 2022

Provisur Technologies, Inc. v. Weber, Inc., Appeal Nos. 2021-1942, -1975 (Fed. Cir. Sept. 27, 2022) - In this week’s Case of the Week, the Federal Circuit reviewed an IPR decision and addressed the Patent Trial and Appeal...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more

McDermott Will & Emery

The Application of “Authentication by Comparison” at the PTAB

McDermott Will & Emery on

Directly addressing the application and operation of the Federal Rules of Evidence in proceedings before the Patent Trial & Appeal Board (Board), the US Court of Appeals for the Federal Circuit affirmed-in-part and...more

McDermott Will & Emery

When it Comes to Method of Use Claims, Preamble Language Regarding Intended Use is Limiting

McDermott Will & Emery on

Directly addressing the application and operation of the Federal Rules of Evidence in proceedings before the Patent Trial & Appeal Board (Board), the US Court of Appeals for the Federal Circuit affirmed-in-part and...more

McDonnell Boehnen Hulbert & Berghoff LLP

HVLPO2, LLC v. Oxygen Frog, LLC (Fed. Cir. 2020)

Expert witness testimony is a frequent (almost ubiquitous) feature of patent litigation, if only because questions of the state of the art or the understanding of one having ordinary skill in the art are almost always at...more

Akin Gump Strauss Hauer & Feld LLP

IP Newsflash - October 2015

FEDERAL CIRCUIT CASES - Federal Circuit Remands Case For New Damages Trial in Design Patent Case - On Tuesday, September 29, 2015, the Federal Circuit remanded a case for a new damages trial in a design patent...more

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