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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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Federal Circuit Affirms PTAB Decisions for Intel Based on Qualcomm Prosecution History

IP Watchdog

The present appeal involves Qualcomms challenge to the PTABs new claim construction of the term hardware buffer in which it changed its earlier construction, which excluded a temporary buffer from the scopeto a broader construction, under which a hardware buffer is not limited to a permanent buffer.

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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.