USPTO Systems Status and Availability

Check this page for the latest information on operating status and availability of Online Business Systems. For Standard Hours of Availability for Online Business Systems, System Descriptions, and Operating Requirements/Compatibilities, see the links at left.

Current Status

Friday Sep 13, 2019

Currents Events

ESTTA Unavailability

Due to a technical issue, the Electronic System for Trademark Trials and Appeals (ESTTA) may be unavailable for some proceedings.

The USPTO is actively working to resolve the issue.

Please visit the TTAB Outage Page for information concerning the Trademark Trial and Appeal Board (TTAB) alternative filing methods. If you have any questions, contact the TTAB Assistance Center during normal business hours by telephone at 571-272-8500 or email

Planned Events

Thursday Sep 12, 2019

Planned Events

There are no planned events at this time.