The USPTO will perform routine maintenance on PPUBs beginning at 11:59 p.m. ET on Thursday, June 18 and ending at 1 a.m. ET on Friday, June 19.During this maintenance period, PPUBs will be available. To avoid any potential impact, users should exit PPUBS by 11:59 p.m. ET Thursday, before the maintenance period starts, and then restart PPUBS after it has been completed.
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