USPTO Systems Status and Availability

Wednesday Mar 04, 2015

EFS-Web and EFS-Web Contingency Issues Resolved and Problems Viewing USPTO Web Pages with Older Web Browsers

EFS-Web and EFS-Web Contingency Issues Resolved

The EFS-Web and EFS-Web Contingency issues reported earlier have been resolved.

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 www.uspto.gov.

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