USPTO Systems Status and Availability

Wednesday Sep 16, 2020

Planned Events

Vendor Portal Maintenance

The USPTO will perform system maintenance on the Vendor Portal beginning at 12:01 a.m., Thursday, September 17 and ending at 5 a.m., Thursday, September 17 ET.

Vendor Portal will be unavailable during the maintenance period.

ADH and AOTW Maintenance

The USPTO will perform maintenance on Assignment Historical Database (AHD) and Assignments on the Web (AOTW), beginning at 12:01 a.m., Friday, September 18 and ending at 5:30 a.m., Friday, September 18 ET.

During the maintenance period, AHD and AOTW will be unavailable.


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.