Bryant Chen

Bryant Chen

Knobbe Martens

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Federal Circuit Holds District Court Abused Its Discretion by Excluding an Authenticating Witness

JIAXING SUPER LIGHTING ELECTRIC APPLIANCE, CO. v. CH LIGHTING TECHNOLOGY CO., LTD. - Before Dyk, Chen, and Hughes. Appeal from the United States District Court for the Western District of Texas. The Federal Circuit reversed...more

8/18/2025  /  Abuse of Discretion , Appellate Courts , Damages , Evidence , Expert Testimony , Motion for JMOL , On-Sale Bar , Patent Invalidity , Patent Litigation , Remand

Reversal on Reverse Doctrine of Equivalents

Conflicting expert testimony constituted substantial evidence supporting the jury’s rejection of a reverse doctrine of equivalents argument....more

2/7/2025  /  Appeals , Doctrine of Equivalents , Evidence , Expert Testimony , Intellectual Property Litigation , Jury Trial , Patent Infringement , Patent Litigation , Reversal , Summary Judgment

Inventor’s Testimony Regarding Actual Reduction to Practice Was Sufficiently Corroborated

DIONEX SOFTRON GMBH v. AGILENT TECHNOLOGIES, INC. - Before: Reyna, Chen, and Stark. Appeal from the Patent Trial and Appeal Board. - Summary: The PTAB did not err in considering evidence corroborating actual reduction...more

1/10/2023  /  Intellectual Property Protection , Patent Applications , Patent Litigation , Patent Trial and Appeal Board , Patents
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