USPTO Systems Status and Availability

Tuesday Mar 14, 2023

Planned Events

Patent Electronic Filing System-Web (EFS-Web) and Patent Center Update

The USPTO will perform internal updates impacting new applications filed via Patent Center and EFS-Web on two consecutive nights. The dates are as follows:

  • The beginning night of maintenance will be from 12:15 a.m. until 1:15 a.m. on Wednesday, March 15 ET.
  • The final night of maintenance will be from 12:15 a.m. until 1:15 a.m. on Thursday, March 16 ET.


During the update period, impacted applications may experience extended delays in availability for retrieval within Patent Center and Private Patent Application Information Retrieval (Private-PAIR).

Customers should check back during regular business hours, if their submission is impacted.


Trademark Content Management System (TM-CMS) and Trademark Abstraction Layer (TM-AL) Maintenance

The USPTO will perform maintenance on the TM-CMS and TM-AL systems from 12:01 a.m. until 5:30 a.m. on Friday, March 17 ET.

During the maintenance period, the following systems will remain available, but mark images and documents will be unavailable:

    • Trademark Electronic Application System (TEAS)

    • Trademark Electronic Application System International (TEASi)

    • Trademark Status and Document Retrieval (TSDR)