Intel Corp. v. Qualcomm, Inc., No. 20-1828 (Fed. Cir. 2021)
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Qualcomm’s patent, titled “Direct Scatter Loading of Executable Software Image from a Primary Processor to One or More Secondary Processor in a Multi-Processor System,” addresses a system with multiple processors, each of which must execute its own “boot code” to play its operational role in the system. Such code must be stored in non-volatile memory (e.g., flash memory or read-only memory) and the boot code generally must be transferred to its corresponding processor’s volatile memory in order to be executed by that processor. The patent describes systems, methods, and apparatuses for efficiently retrieving an executable software image from the first processor’s non-volatile memory and loading it for use by the second processor.
In inter partes review, the Patent Trial and Appeal Board held that Intel had proved several claims unpatentable but not others. The Federal Circuit vacated in part, first holding that Intel adequately demonstrated Article III standing. The Board failed to tie its construction of the phrase “hardware buffer” to the actual invention described in the specification; the court remanded as to 10 claims for new construction. The court also vacated as to two claims that are in means-plus-function format. The Board failed to determine for itself whether there is sufficient corresponding structure in the specification to support those claims and whether it can resolve the patentability challenges despite the (potential) indefiniteness of those claims.
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