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‘Settled expectations’ not mandamus-worthy, panel rules in win for USPTO

By Melissa Ritti ( December 9, 2025, 21:58 GMT | Insight) -- Three more bids for relief from adverse decisions by the US Patent and Trademark Office fell Tuesday, with the denial of mandamus petitions by Cambridge Industries, HighLevel and Sandisk Technologies. The orders deal more than a glancing blow, with a US appellate court finding no due process violation in connection with the office’s shifting criteria for discretionary denials of inter partes review.Litigation against the US Patent and Trademark Office under the Administrative Procedure Act is emerging as the only viable procedural path to relief for newly thwarted petitioners for inter partes review....

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