USPTO Systems Status and Availability

Check this page for the latest information on operating status and availability of Online Business Systems. For Standard Hours of Availability for Online Business Systems, System Descriptions, and Operating Requirements/Compatibilities, see the links at left.

Current Status

Tuesday May 24, 2022

Current Events

Trademark Electronic Search System (TESS) Intermittent Outage

The USPTO is currently experiencing technical difficulties with the TESS system and you may be unable to access TESS or perform searches.  We are working to restore service as quickly as possible.  At this time, we don’t know when services will be fully restored but additional information will be posted as soon as it’s available.

Planned Events

Tuesday May 24, 2022

Planned Events

Office of Enrollment Discipline Information System

The OCIO will perform maintenance on the Office of Enrollment Discipline Information System (OEDIS) beginning at 7 p.m., Wednesday, May 25 and ending at 8 p.m., Wednesday, May 25 ET.

The following systems will be unavailable during the maintenance period:

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

Multiple Systems Maintenance

The USPTO will perform maintenance on multiple systems beginning at 8 a.m., Thursday, May 26 and ending at 4 p.m., Thursday, May 26 ET.

During the maintenance period, the following systems and systems that interface with these systems should not be disrupted:

  • Patent Center
  • EFS-Web for Registered eFilers
  • Private PAIR

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 12 a.m., Monday - Friday ET, or email

Trademark System Maintenance

The OCIO will perform maintenance on the Trademark Examination system beginning at 12 a.m., Friday, May 27 and ending at 2 a.m., Friday, May 27 ET.

The following systems may incur a brief outage or loss of functionality during the maintenance:

    •    Trademark Next Generation ID Manual (TMNG-IDM)
    •    Trademark Official Gazette (TMOG)