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USPTO, in new memorandum, further constrains patent challenges

By Melissa Ritti ( August 1, 2025, 15:35 GMT | Insight) -- In guidance released last night, US Patent and Trademark Office Acting Director Coke Morgan Stewart continued to chip away at the availability of inter partes review but this time with cover from the US Court of Appeals for the Federal Circuit.Two appellate decisions in a clash between Qualcomm and Apple are being pointed to as the basis for undoing guidelines by former leaders of the US Patent and Trademark Office on the use of applicant admitted prior art, or AAPA, to establish the “general knowledge” of a skilled artisan....

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