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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 […]

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EP

Federal Circuit Upholds a Silent Written Description

By David G. Barker In a precedential opinion this week, the Federal Circuit affirmed a district court judgment in favor of Novartis Pharmaceuticals, in an appeal brought by HEC Pharm challenging the written description in Novartis’s 9,187,405 patent. Novartis markets a 0.5 mg daily-dose drug to treat a form of multiple sclerosis, and the patent […]

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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. […]

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AB
Former Associate
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Supreme Court Determines New Limitations to Assignor Estoppel Doctrine

By Marsha Cotton and David G. Barker The Supreme Court upheld assignor estoppel in Minerva Surgical, Inc. v. Hologic, Inc., et al. but held that the Federal Circuit “failed to recognize the doctrine’s proper limits.” In doing so, the Court imposed new limitations on when the equitable doctrine applies in a patent case. The Court […]

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MC
Associate

Supreme Court Holds that PTAB Judges Are Unconstitutionally Appointed

By Daniel M. Staren and David G. Barker The Supreme Court held this week that the United States Patent and Trademark Office’s (“USPTO”) appointment of Patent Trial and Appeal Board (“PTAB”) judges cannot be constitutionally enforced because the USPTO director does not have authority to review final PTAB decisions. Smith & Nephew, Inc. and ArthroCare […]

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Supreme Court Grants Certiorari to Resolve Long-Running Debate on Assignor Estoppel

By: David G. Barker and Emily R. Parker Last Friday, the U.S. Supreme Court granted certiorari in Minerva Surgical v. Hologic, thereby agreeing to resolve a long-running debate on patent law’s doctrine of assignor estoppel. Minerva Surgical has asked the Court to abolish the doctrine, which bars inventors who sell their patent rights from challenging […]

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EP