USPTO Systems Status and Availability

Wednesday Nov 01, 2023

Planned Events

Bulk Data Storage System (BDSS) Maintenance

The USPTO will perform maintenance on the Bulk Data Storage System (BDSS) from 10 a.m. until 3 p.m. on Wednesday, November 1 ET. 

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

Patent Electronic Filing System – Web (EFS-Web) Maintenance

The OCIO will perform maintenance on EFS-Web from 8 p.m. until 10 p.m. on Sunday, November 5 ET.

During this maintenance period, Fee Worksheets and Acknowledgement Receipts for submissions will not be generated.

Applicants may file submissions in EFS-Web during this time, but wait until Monday for those documents to be generated. Applicants may still file submissions via Patent Center.