USPTO Systems Status and Availability

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.