USPTO Systems Status and Availability

Tuesday Oct 01, 2019

Planned Events

Private PAIR Maintenance

The USPTO will perform maintenance on the Private Patent Application Information Retrieval System (Private PAIR) beginning at 12:01 a.m., Friday, October 4, and ending at 5 a.m., Friday, October 4 ET.

During the maintenance period, Private PAIR will be unavailable.

Multiple Systems Maintenance

The USPTO will perform maintenance affecting multiple systems beginning at 12:01 a.m., Saturday, October 5 and ending at 5 a.m., Saturday, October 5 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, applicants can file new patent applications using EFS-Web for unregistered eFilers or EFS-Web Contingency
Applicants can file follow-up on a submission, 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, Monday - Friday ET, or email