USPTO Systems Status and Availability

Wednesday Jun 19, 2019

Planned Events

Multiple Systems Maintenance

The USPTO will perform maintenance affecting several systems beginning at 12:01 a.m., Thursday, June 20 and ending at 3 a.m., Thursday, June 20 ET.

The following systems and systems that interface with these systems will be unavailable during the maintenance period:

  • Migration Tool
  • Sponsorship Tool
  • Electronic Filing System – Web for Registered eFilers (EFS-Web)
  • Private Patent Application Information Retrieval (Private PAIR)


If you need to file a new patent application, you can use EFS-Web for Unregistered eFilers or EFS-Web Contingency.

If you need to file a follow-on submission, use an alternative filing method.

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 ET, Monday - Friday, or email