One or more systems affected by planned maintenance

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

USPTO will perform maintenance on EFS-Web from 8 p.m. until 10 p.m. on Sunday, September 10 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.


Last updated: Wednesday, Sep 6, 2023 at 11:25 AM ET
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Unless otherwise indicated, all systems should be operating normally.

Issues impacting remote employees are available on the Internal system status platform.