USPTO Systems Status and Availability

Tuesday May 14, 2024

Planned Events

Trilateral Dossier Access (TDA) Updates

The USPTO will perform routine updates on TDA from midnight-5 a.m. ET on Thursday, May 16.

During the maintenance period, TDA will not be available.

Electronic System for Trademark Trials and Appeals (ESTTA) Maintenance

The USPTO is performing routine maintenance on ESTTA from 4-5:30 a.m. ET on Thursday, May 16.

ESTTA will not be available during the maintenance period.