USPTO Systems Status and Availability

Wednesday Apr 21, 2021

Planned Events

TEAS and TEASi System Maintenance

The USPTO will perform maintenance on the Trademark Electronic Application System (TEAS) and Trademark Electronic Application System International (TEASi) beginning at 8 a.m., Saturday, April 24 and ending at 2 p.m., Saturday, April 24 ET.

During the maintenance period, TEAS and TEASi will be unavailable.

Read the release highlights on our TEAS and TEASi Maintenance and Enhancement page.

You should file all saved forms and e-signature forms by 7:59 a.m., Saturday, April 24 ET. If you don't file these forms by that time, you will have to start the process again with new forms.

We apologize for the inconvenience.​

Multiple Systems Maintenance

The USPTO will perform maintenance affecting multiple systems beginning at 11:59 p.m., Friday, April 23 and ending at 5 a.m., Saturday, April 24 ET.

The following systems and systems that interface with these systems will be unavailable during the maintenance period:         
     • Patent Center
     • EFS-Web for Registered eFilers
     • Private PAIR
     • Sponsorship Tool

During this maintenance period, if you need to file a new patent application, you can use EFS-Web for unregistered eFilers or EFS-Web Contingency.

If you need to file a follow-on submission, use an alternative filing method.

If you have questions, please contact the Patent Electronic Business Center (EBC) at (866) 217-9197 during their operating hours of 6 a.m. to midnight, Monday - Friday ET, or email