USPTO Systems Status and Availability

Check this page for the latest information on the operating status and availability of our online business systems, such as EFS-Web, Patent Center, PAIR, TEAS, and PTAB End-to-End. Issues impacting remote employees are available on the System 411 blog.

Current Status

Thursday Sep 21, 2023

Current Events

There are no current events at this time.

Planned Events

Thursday Sep 21, 2023

Planned Events

Multiple Systems Maintenance

The USPTO will be performing routine maintenance on database server DSB-CORP-DB-1.uspto.gov from 12:01 a.m. until 5:30 a.m. on Tuesday, September 26 ET.

During the maintenance, there will be complete outage for the following systems:

    • Assignments Historical Database (AHD)

    • Assignments on the Web (AOTW)

    • Electronic Patent Assignment System (EPAS)

    • Electronic Trademark Assignment System (ETAS)

    • Data Architecture Tools (DAT-Metadata, ER/Studio)

    • Office of Enrollment and Discipline (OEDIS)

Office of Enrollment and Discipline Information System (OEDIS) Maintenance

The USPTO will perform maintenance on the OEDIS on two nights:

    •The first night of maintenance will occur from 12:01 a.m. until 5:30 a.m. on Tuesday, September 26 ET.

    •The second night of maintenance will occur from 12:01 until 5:30 a.m. on Wednesday, September 27 ET.

During the maintenance period, OEDIS will be unavailable.