USPTO Systems Status and Availability
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

Monday Feb 23, 2015

Problems Viewing USPTO Web Pages with Older Web Browsers

If you are using an older version of a Web browser, you may experience slow response or script errors when viewing pages on

USPTO is continuing to work towards a resolution. In the meantime, your use of a newer browser should significantly improve performance.

Planned Events

Sunday Mar 01, 2015

USPTO Website Maintenance

The USPTO public website,, will undergo maintenance beginning at 3 a.m. and ending at 6 a.m., Tuesday, March 3 EST.

Users may experience intermittent interruptions when trying to access the site during the maintenance period.

This page is owned by Service Desk.