Electronic System for Trademark Trials and Appeals (ESTTA) Maintenance

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The USPTO will perform routine maintenance on ESTTA from 11-11:30 p.m. ET on January 27.

ESTTA will not be available during this maintenance period

Last updated: Tuesday, Jan 27, 2026 at 11:46 PM ET
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Past status updates:

- Completed
- In progress
- Planned maintenance

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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.