USPTO Systems Status and Availability
Thursday Sep 27, 2018

EFS-Web, EFS-Web Contingency, and Private PAIR Maintenance

EFS-Web, EFS-Web Contingency, and Private PAIR Maintenance

The USPTO will perform maintenance on EFS-Web, EFS-Web Contingency, and Private PAIR beginning at 12:01 a.m., Saturday, September 29 and ending at 5 a.m. Saturday, September 29 ET.

During the maintenance period, EFS-Web, EFS-Web Contingency, and Private PAIR will be unavailable. If you need to file a new application, follow-on submission, or fees during this maintenance period, please use an alternative filing method.

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 ebc@uspto.gov.

EFS-Web, EFS-Web Contingency, and Private PAIR Maintenance 2

The OCIO will perform maintenance on EFS-Web, EFS-Web Contingency, and Private PAIR beginning at 3 a.m., Monday, October 1 and ending at 7 a.m. Monday, October 1 ET.

During the maintenance period, EFS-Web, EFS-Web Contingency, and Private PAIR will be unavailable. If you need to file a new application, follow-on submission, or fees during this maintenance period, please use an alternative filing method.

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