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CAFC Says District Court’s Claim Construction Rendered Dependent Claims ‘Meaningless’

IP Watchdog

district courts handling claim construction are to construe a patent’s independent claims in light of limitations included in dependent claims. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision in Littelfuse, Inc. Mersen USA EP Corp. clarifying how U.S.

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CAFC Affirms Water Heater Infringement Ruling Based on District Court Claim Construction

IP Watchdog

The appellate court ruled that the district court’s construction of a contested limitation within claim 1 was supported by the patent’s specification. Smith’s patent covering a hot-water heater system was both infringed by Bradford White and not invalid.

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CAFC Schools District Court on Claim Construction Again

IP Watchdog

The CAFC held that the district court erred in its preliminary claim construction, particularly in determining that “detecting continuity and measuring continuity are mutually exclusive.”.

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CAFC Nixes District Court Claim Construction in Win for Firearms Patent Owner

IP Watchdog

Court of Appeals for the Federal Circuit (CAFC) on Friday ruled that a California district court erred in its claim construction relating to Evolusion Concepts, Inc.’s s patent for a method of converting a semi-automatic rifle with a detachable magazine to one with a fixed magazine.

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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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CAFC Says PTAB Must Consider Petitioner’s Arguments Under New Claim Construction Presented Post-Institution

IP Watchdog

The court ultimately vacated the decisions and remanded to the PTAB to reconsider.

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Federal Circuit: PTAB Failed to Provide Adequate Notice of Sua Sponte Claim Construction

IP Watchdog

While the CAFC agreed with the PTAB’s construction of one of the claims, which Qualcomm had challenged, it ultimately held that the Board violated Qualcomm’s procedural rights under the Administrative Procedure Act (APA) for failing to provide the company “adequate notice of and opportunity to respond to its sua sponte claim construction.”.