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Internal system status and availability

Check this webpage for the latest information on the operating status of USPTO's internal systems and planned maintenance activities.

Current status of USPTO systems

Monday, Apr 27, 2026

Operating normally

There are no current events at this time.

View past unplanned events

Upcoming planned events

Thursday, Apr 30, 2026 12:00 AM ET until Thursday, Apr 30, 2026 2:00 AM ET

Planned maintenance

Publication Site for Issued and Published Sequences (PSIPS) Maintenance

The USPTO will apply a routine database version update to PSIPS from 12-2 a.m. ET on Thursday, April 30.

The database will be brought to current version status.

Last updated: Monday, Apr 27, 2026 at 9:03 AM ET

View past planned events

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