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Federal Circuit: District Court Properly Struck Expert Testimony that Failed to Apply Agreed-Upon Claim Construction

IP Watchdog

Court of Appeals for the Federal Circuit (CAFC) today issued a precedential opinion affirming a district court order that struck parts of an infringement expert report and also granted summary judgment of non-infringement to Valve Corporation. Treehouse Avatar, LLC owns U.S.

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Split CAFC: ‘Word Salad’ Expert Testimony Failed Under Doctrine of Equivalents Infringement Standard

IP Watchdog

Court of Appeals for the Federal Circuit (CAFC) today issued a precedential decision affirming a district court’s finding that NextStep, Inc. failed to prove that Comcast Cable Communications infringed its patents.

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CAFC Vacates Section 112 Indefiniteness Ruling, Sending St. Jude Medical Back to Court

IP Watchdog

in which the court affirmed most of a ruling from the District of Minnesota, including sanctions against Niazi for improper use of expert testimony, as well as a finding of no induced infringement by St. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision in Niazi Licensing Corp. Jude Medical S.C.,

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Authentication of Surveillance Video by Lay Witness Under Silent Witness Doctrine

E-Discovery LLC

Expert testimony may be necessary for the factfinder to decide the significance of such evidence. Expert testimony is often required to explain scientific or technical matters. But expert testimony is not required simply because one can explain a matter scientifically. State, 457 Md. 513, 516 (2018)(GPS).

Witnesses 130
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Non-Testifying Consultant Subject to Discovery Where Testifying Expert Relied on Consultant’s Work

E-Discovery LLC

26(a)(2) governs discovery of expert testimony. For a testifying expert, one disclosable matter is the basis, facts, and data considered by the expert in forming an opinion. Tesla moved to compel the whole ball of wax identity, a deposition, all documents and communications, invoices, etc. Plaintiffs offered half a loaf.

Discovery 130
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Federal Circuit Affirms Denial of JMOL, Partial Costs in Favor of Amazon

IP Watchdog

The CAFC said that substantial evidence supported the district court’s finding of anticipation, which Amazon proved via expert testimony relating to a prior art home automation software called HAL. infringed them, or, alternatively, a new trial.

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CAFC Vacates Summary Judgment Ruling in Third ParkerVision Appeal for Improper Collateral Estoppel Analysis

IP Watchdog

The Federal Circuit found that the Middle District of Florida erred in its application of collateral estoppel and abused its discretion in excluding expert testimony on validity offered by ParkerVision as unreliable, leading the appellate court to vacate the district court’s summary judgment ruling and remand for further proceedings.