USPTO Systems Status and Availability

Friday Jun 24, 2022

Planned Events

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

The USPTO will perform maintenance on EFS-Web beginning at 8 p.m., Sunday, June 26 and ending at 10 p.m., Sunday, June 26 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.