USPTO Systems Status and Availability

Monday Apr 24, 2017

HTTPS access to Public PAIR Restored and ESTAA Database Unavailable

HTTPS access to Public PAIR Restored

The USPTO has restored HTTPS protocol capabilities to Public Patent Application Information Retrieval (PAIR) system.

ESTAA Database Unavailable

The database used by the Electronic System for Trademark Trials and Appeals (ESTTA) is not available at this time. The USPTO is working to resolve the issue.