Patent Public Search (PPUBS) Maintenance

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The USPTO will perform maintenance on PPUBs beginning at 11:59 p.m. ET on Friday, May 1 and ending at 1:30 a.m. ET on Saturday, May 2.

During this maintenance period, PPUBS will be unavailable.

Last updated: Saturday, May 2, 2026 at 1:30 AM ET
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Unless otherwise indicated, all systems should be operating normally.

Issues impacting remote employees are available on the Internal system status platform.