Multiple Systems Maintenance
The USPTO will perform maintenance on Electronic System for Trademark Trials and Appeals (ESTTA) and Trademark Trial and Appeal Board Inquiry System (TTABVUE) from 12:01 a.m. until 5 a.m., Saturday, May 13 ET.
During the maintenance period, ESTTA and TTABVUE will be unavailable.
Patent Global Dossier Public Access Dossier (P-GD-PAD) and One Portal Dossier (OPD) Maintenance
The USPTO will perform maintenance on the P-GD-PAD and OPD system from 12:01 a.m. until 5:30 a.m. on Sunday, May 14 ET.
During the maintenance period, the application may be unavailable.
Multiple System Maintenance
The USPTO will perform maintenance affecting multiple systems from 12:01 a.m. until 5:30 a.m. on Saturday, May 13 ET.
The following systems will be unavailable during the maintenance period:
• EFS-Web for Registered eFilers, Unregistered eFilers, and EFS-Web Contingency
• Private PAIR
Patent Center will be available as an alternative to electronically file and retrieve patent applications. Please refer to our Filing Documents during an Outage page for other alternative filing method.