EFS-Web Maintenance - January 21, 2023

EFS-Web (for Registered and Unregistered eFilers) and EFS-Web Contingency are temporarily unavailable due to maintenance from 12:01 a.m. until 5:30 a.m. on Saturday, January 21 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.