USPTO Systems Status and Availability

Wednesday Sep 18, 2019

Planned Events

Multiple Systems Maintenance

The USPTO will perform maintenance affecting multiple systems beginning at 12:01 a.m., Saturday, September 21 and ending at 5 a.m., Saturday, September 21 ET.

The following systems and systems that interface with these systems will be unavailable during the maintenance period:

  • EFS-Web for Registered eFilers
  • Private PAIR
  • Sponsorship Tool

 During this maintenance period, if you need to file a new patent application, you can use EFS-Web for unregistered eFilers or EFS-Web Contingency.

If you need to file a follow-on submission, please use an alternative filing method.

If you have questions, please contact the Patent Electronic Business Center (EBC) at (866) 217-9197 during their operating hours of 6 a.m. to midnight ET, Monday - Friday, or email