USPTO Systems Status and Availability

Thursday Nov 30, 2023

Planned Events

Trademark System Retirement

The USPTO will retire Trademark External Search System (TESS) beginning at 12 p.m. on November 30 ET.

Trademark Design and Search Code Manual (TDSCM) will be retired beginning at 11:59 p.m. on November 30 ET.

Users will need to save all work and exit the systems before the retirement.

Electronic System for Trademark Trials and Appeals (ESTTA) Maintenance

The USPTO will perform maintenance on Electronic System for Trademark Trials and Appeals (ESTTA) system from 12:01 a.m. until 1 a.m. on Saturday, December 2 ET.

During the maintenance period, ESTTA will be unavailable.

Vendor Portal Maintenance

The OCIO will perform maintenance on Vendor Portal from 12:01 a.m. until 1 a.m. on Saturday, December 2 ET.

During this time, users will be unable to access the system. 


Assignments Historical Database (AHD) and Patent and Trademark Assignment System (PTAS) Migration

The USPTO Certified Copy and Assignments (CC&A) Product team will perform database migration to Rocky Linux in production on PTAS and AHD databases beginning at 9 a.m., Saturday, December 2 and ending at 4 p.m., Sunday, December 3 ET.

During the maintenance period, the following system products will be unavailable:

    • AHD

    • Assignments on the Web (AOTW)

    • Electronic Patent Assignment System (EPAS)

    • Electronic Trademark Assignment System (ETAS)

    • Trademark Trial and Appeal Board Inquiry System (TTABVUE) 

    • Trademark Status and Document Retrieval (TSDR)

TTAB ReadingRoom Maintenance

The USPTO will perform maintenance on the TTAB ReadingRoom system from 12:01 a.m. until 1 a.m., Saturday, December 2 ET.

TTAB ReadingRoom will be unavailable during the maintenance period.