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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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CAFC Overturns Win for Nintendo Based on District Court’s Incorrect Claim Construction Analysis

IP Watchdog

The CAFC reversed the district court’s summary judgment decision because the district court erred in its construction of “input signal” and should have construed the term to mean “a signal having an audio or higher frequency.”. 6,219,730 (‘730 patent).

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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 Judges Split on Indefiniteness Analysis for Identity Theft Patent

IP Watchdog

The parties mainly disputed two terms during claim construction: (1) “transaction partner” and (2) “OFF.” The district court relied on First Financial’s expert testimony to conclude that “transaction partner” was indefinite, after finding that the expert used was a person of ordinary skill in the art (POSA).

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Relative Proportionality Argument Rejected

E-Discovery LLC

After setting out the boilerplate on scope of discovery and requirements for a protective order, the Court wrote: “The burden is on the party resisting discovery to explain specifically why its objections, including those based on irrelevance, are proper given the broad and liberal construction of federal discovery rules.”

Discovery 130