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Squires weighs in on parallel ITC proceedings with sua sponte US PTAB review

By Nick Robertson ( December 23, 2025, 20:11 GMT | Insight) -- US Patent and Trademark Office Director John Squires took the rare step Monday to initiate director review sua sponte in an already instituted inter partes review, citing a previous determination by the US International Trade Commission. The move signals the importance of Squire avoiding overlapping arguments between the forums in the discretionary denial process.The US Patent and Trademark Office sent a message to Patent Trial and Appeal Board practitioners Monday emphasizing the need to closely monitor parallel proceedings. Director John Squires initiated director review sua sponte in an already instituted inter partes review (IPR), noting that a parallel US International Trade Commission determination already found the patent’s claims not invalid....

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