USPTO Systems Status and Availability

Monday Apr 15, 2024

Planned Events

Multiple System Maintenance

The USPTO will perform routine maintenance affecting multiple systems from midnight-5:30 a.m. ET on Wednesday, April 17.

During this maintenance period, availability of Supplemental Content data for new applications and follow-ons filed will be delayed in Patent Center.

Please check Patent Center after the maintenance period for confirmation of availability of the Supplemental Content Data.

Bulk Data Storage System (BDSS) Maintenance

The USPTO will perform routine maintenance on the Bulk Data Storage System (BDSS) from 10 a.m. ET until 3 p.m. ET on Wednesday, April 17. 

During the maintenance period, the entire BDSS system will be unavailable.