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Patents Daubert Standards Damages

Fenwick & West LLP

Key Federal Circuit Patent Rulings Impacting Your Business…

Fenwick & West LLP on

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

McDermott Will & Emery

En Banc Federal Circuit Cools Damages Award Because of Improper Expert Testimony

McDermott Will & Emery on

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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: EcoFactor, Inc. v. Google LLC

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

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

Federal Circuit in EcoFactor, Inc. v. Google LLC Probes the Limits for Gatekeeping Damages Testimony

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

WilmerHale

The Broken Balance: How “Built-in Apportionment” and the Failure to Apply Daubert Have Distorted Patent Infringement Damages

WilmerHale on

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

Sheppard Mullin Richter & Hampton LLP

Cyntec Company, Ltd. v. Chilisin Electronics Corp., Chilisin America Ltd. Nos. 2022-1873, (Fed. Cir. October 16, 2023)

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

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - October 2023 #3

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

McDermott Will & Emery

Expert Testimony Excluded Based on Inadmissible Evidence

McDermott Will & Emery on

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

McDermott Will & Emery

One for All, and All for One . . . Except When It Comes to Patent License Comparability

McDermott Will & Emery on

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

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