USPTO Systems Status and Availability

Monday Oct 29, 2018

Multiple Planned Events

UPDATED: Private PAIR Maintenance

The USPTO will perform maintenance on Private PAIR beginning at 12:01 a.m., Thursday, November 1 and ending at 2 a.m. Thursday, November 1 ET.

During the maintenance period, Private PAIR will be unavailable.

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

Digital Certificate Management Maintenance

The USPTO will perform maintenance on the Digital Certificate Management tool beginning at 12:01 a.m., Wednesday, October 31 and ending at 5:30 a.m. Wednesday, October 31 E.T.

During the maintenance period, the Digital Certificate Management tool will be unavailable. During the maintenance period, users will not be able to perform self-management activities on their PKI.