USPTO Systems Status and Availability

Friday Sep 18, 2020

Planned Events

Multiple System Maintenance

The USPTO will perform maintenance on Trademark Trial and Appeal Board Inquiry System (TTABVUE), Electronic Patent Assignment System (EPAS), and Electronic Trademark Assignment System (ETAS) beginning at 12:01 a.m., Sunday, September 20 and ending at 5:30 a.m., Sunday, September 20 ET.

During the maintenance period, TTABVUE, EPAS, and ETAS will be unavailable. Users should save all work and log off before the maintenance period begins.