USPTO Systems Status and Availability

Friday Jan 14, 2022

Planned Events

Electronic Filing System-Web (EFS-WEB) Maintenance

The OCIO will perform maintenance on EFS-Web beginning at 8 p.m., Sunday, January 16 and ending at 10 p.m., Sunday, January 16 ET.

During this maintenance period, Fee Worksheets and Acknowledgement Receipts for submissions will not be generated. There will be a delay before these documents will be available.

If you have questions, please contact the Patent Electronic Business Center (EBC) at (866) - 217-9197 during their operating hours of 6 a.m., to midnight, Monday - Friday ET, or email

Office of Enrollment Discipline Information System Maintenance

The USPTO will perform maintenance on OEDIS beginning at 7 p.m., Tuesday, January 18 and ending at 8 p.m., Tuesday, January 18 ET.

The following systems will be unavailable during the maintenance period:

    •    Patent Practitioner Search
    •    Registered Practitioner Portal
    •    Exam Applicant Portal