Patent Public Search (PPUBs) Maintenance

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Completed

The USPTO will perform maintenance on PPUBs beginning at 11:59 p.m. ET on Friday, December 19 and ending at 1 a.m. ET on Saturday, December 20.  

During this maintenance period, PPUBs will be unavailable.

After the maintenance period, users need to clear cache and restart PPUBS.

Last updated: Saturday, Dec 20, 2025 at 1:16 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.

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