Planned Events
EFS-Web Maintenance
The USPTO will perform maintenance on the Electronic Filing System-Web (EFS-Web) system beginning at 11:30 p.m., Saturday, June 26 and ending at 5:30 p.m., Sunday, June 27 ET.
During the maintenance period, the following applications will be unavailable:
• EFS-Web for Registered eFilers
• EFS-Web for Unregistered eFilers
• EFS-Web Contingency
• Patent Center
• Private PAIR
• Public PAIR
• Sponsorship Tool
EFS-Web applicants should submit Saved Submission packages prior to the maintenance period. After the maintenance, Saved Submission packages that were created prior to the maintenance may not render properly.
During the maintenance period, applicants can use an alternative filing method to submit patent applications and follow-on submissions.
For assistance and questions, please contact the Patent EBC at 1-866-217-9197, Monday through Friday from 6 a.m. to midnight ET, or email ebc@uspto.gov.
Posted at 05:25AM Jun 25, 2021 in Planned Events |