Early test of USPTO's ex parte preorder filing leads to re-exam denial
By Nick Robertson ( August 21, 2026, 18:20 GMT | Comment) -- The US Patent and Trademark Office determined last week that a request for ex parte re-examination of a Xiamen PVTECH Corp. patent does not raise a substantial new question of patentability, an early example of a patent owner that has overcome such a challenge via the office's new preorder filing process.The denial of a request for ex parte re-examination of a patent before the US Patent and Trademark Office last week shows the potential impact of the office's new preorder filing process, which gives patent owners an opportunity to argue against challenges to their patents before an examiner determines whether there is a substantial new question of patentability, or SNQ....
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