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The USPTO will perform routine server maintenance from 12:01-5:30 a.m., on Thursday, May 14 ET.
During the maintenance period, below component services will not be available:
- Electronic System for Trademark Trials and Appeals (ESTTA)
- Trademark Trial and Appeal Board Inquiry System (TTABIS)
- Trademark Trial and Appeal Board Inquiry System (TTABVUE)
- Center- Trademark Trial and Appeal Board Center (TTAB)
- Trademark Madrid System (MADRID)
Last updated: Monday, May 11, 2026 at 7:43 AM ET
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