USPTO Systems Status and Availability

Friday Jun 19, 2020

Planned Events

EAI-HUB, EFS-WEB, and CCC System Maintenance

The USPTO will perform maintenance affecting the Enterprise Applicant Integration Hub (EAI-HUB), Patent Electronic Filing System - Web (EFS-WEB), and Certified Copy Center (CCC) beginning at 12:01 a.m., Monday, June 22 and ending at 5 a.m., Monday, June 22 ET.

EFS-Web, CCC, and EAI-HUB will not be available during the maintenance period.

EFS-Web, CCC, and EAI-HUB users should save all work and log off before the maintenance period begins.