USPTO Systems Status and Availability

Check this page for the latest information on operating status and availability of Online Business Systems. For Standard Hours of Availability for Online Business Systems, System Descriptions, and Operating Requirements/Compatibilities, see the links at left.

Current Status

Thursday Nov 14, 2019

Current Events Login is temporarily unavailable

Authentication (login) to TEAS, EFS-Web for Registered eFilers, Private PAIR, and the Sponsorship tool is intermittently unavailable. Please retry at a later time.

EFS-Web for Unregistered eFilers to file new applications and use an alternative filing method to file follow-on submissions.

For trademark (TEAS) customers, if your deadline is today and you cannot login, you must use an alternative method of filing. Please visit the Trademark Outage Page for information concerning Trademark alternative filing methods. If you have any questions, contact the TEAS team by email

USPTO is aware of this issue and is working to resolve it.

Planned Events

Monday Nov 04, 2019

Planned Events

DH-PTAB Retirement

The Patent Trial and Appeals Board (PTAB) API v1 will be officially retired and unavailable beginning at 10 a.m., Thursday, November 21 ET.

Please continue to use PTAB API v2 and PTAB Bulk Data available at:

Please make sure to update your bookmarks and saved queries with the updated links.

AIW Maintenance

The USPTO will perform maintenance on the Application Images on the Web (AIW) beginning at 12 a.m., Friday, November 15 and ending at 3 a.m., Friday, November 15 ET.

During the maintenance period AIW will not be available.