EFS-Web (for Registered and Unregistered eFilers) and EFS-Web Contingency are temporarily unavailable due to maintenance from 12:01 a.m. until 11:00 a.m. on Saturday, July 29 ET.
Please check the USPTO Systems Status and Availability page for updates.
During the maintenance period, Patent Center will also be unavailable. Please use an alternative filing method if you need to submit a new application, follow-on submission, or fees.