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Federal Circuit Holds Patent Owners Bear IPR Estoppel Burden of Proof

The Federal Circuit recently held, for the first time, that patent owners bear the burden of proof for an Inter Partes Review (“IPR”) Estoppel affirmative defense that an alleged infringer failed to include prior art in a previous IPR. In overturning the district court, the Federal Circuit held that a patent owner must prove, by […]

| 4 min read | Tagged: , , ,
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Supreme Court Grants Certiorari in Amgen v. Sanofi to Decide Enablement Question

By: Trent Hoffman and David Barker On November 4, 2022, the Supreme Court granted certiorari in Amgen v. Sanofi, No. 21-757, to review “[w]hether enablement is governed by the statutory requirement that the specification teach those skilled in the art to make and use the claimed invention, 35 U.S.C. § 112, or whether it must […]

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Federal Circuit Holds Patent Venue Decision Based on Remote Workers Did Not Warrant Mandamus Relief

By Daniel M. Staren and David G. Barker The Federal Circuit recently denied a mandamus petition seeking relief from a district court order denying a motion to dismiss a patent case for improper venue under 28 U.S.C. § 1400(b). Bel Power Solutions, Inc. sued Monolithic Power Systems, Inc. in the Western District of Texas for selling power modules that […]

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Federal Circuit Affirms Dismissal of “Process Automation” Patent Infringement Suit

By Zach Schroeder and David G. Barker On March 15, 2022, the Federal Circuit affirmed the Eastern District of Texas’s dismissal of a patent infringement complaint because the asserted patent claims were directed to process automation and therefore not eligible for patent protection under 35 U.S.C. § 101. Repifi Vendor Logistics sued Intellicentrics for infringing […]

Federal Circuit Rejects Two-Tiered Royalty Patent Damages

By Daniel M. Staren and David G. Barker Last week, a Federal Circuit panel vacated a billion dollar jury verdict in favor of plaintiff-appellee California Institute of Technology (“Caltech”) and remanded for a new trial on damages because of Caltech’s unsupported two-tiered reasonable royalty patent damages theory. Caltech sued Broadcom, Apple, and others in the […]

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Federal Circuit Rejects “Unanswered Questions” Indefiniteness Standard

By Emily Parker and David Barker Last week, a split Federal Circuit panel reversed a decision invalidating certain computer-aided-design patent claims because the district court used an incorrect indefiniteness standard. Nature Simulation Systems (“NSS”) sued Autodesk, Inc. for infringing two patents directed to computerized methods for building three-dimensional objects. Autodesk argued that certain claims in […]

| 3 min read | Tagged: , ,
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Federal Circuit Erases Juno’s $1 Billion Judgment by Invalidating Patent for Inadequate Written Description

By Anne Bolamperti and David G. Barker The Federal Circuit invalidated Juno Therapeutics, Inc.’s T cell therapy patent for cancer treatment and erased a billion dollar judgment in Juno’s favor. The court held that the jury verdict regarding the patent’s written description under 35 U.S.C. § 112(a) was not supported by substantial evidence. Juno’s U.S. Patent No. […]

| 3 min read | Tagged: , , ,
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Section 101 in 2019

Snell & Wilmer Lawyers presented their article, Section 101 in 2019, at the ABA Section of Intellectual Property Law’s Annual Meeting in Arlington, Virginia, as part of a program, “101 ‘301’: Advanced Subject Matter Eligibility.”  The article summarizes the existing patent eligibility test, discusses recent Federal Circuit decisions, and provides practical strategies for practitioners navigating the […]

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Laches Remains a Defense to Legal Relief in Patent Infringement Cases After Petrella

Laches remains applicable in the patent context to bar pre-suit damages after an en banc Federal Circuit ruling late last week in SCA Hygiene Products Aktiebolag v. First Quality Baby Products. Last year in the “Raging Bull” decision (Petrella v. Metro-Goldwyn-Mayer), the Supreme Court held that laches could not bar copyright infringement damages within the […]

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