USPTO Systems Status and Availability
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

Wednesday May 13, 2015

Current Issues

There are no current issues.

Planned Events

Thursday May 28, 2015

Private PAIR, Online Business System, AHD, and TSDR Maintenances

Private PAIR Maintenance

USPTO will perform maintenance affecting Private Patent Application Information Retrieval (Private PAIR) nightly, beginning Thursday, May 28 until Sunday, May 31, as per the schedule below:

  • begin at 12:01 a.m. and end at 5 a.m., Friday, May 29 ET.
  • begin at 12:01 a.m. and end at 5 a.m., Saturday, May 30 ET.
  • begin at 12:01 a.m. and end at 5 a.m., Sunday, May 31 ET.

Updating the Customer Number Details via Private PAIR will not be functioning during the maintenance periods.

Online Business System Maintenance

USPTO will perform system maintenance on USPTO's Online Business Systems beginning at 11:59 p.m., Thursday, May 28 and ending at 5:30 a.m., Friday, May 29 ET.

This maintenance may cause intermittent service interruptions to www.uspto.gov and the applications listed on Online Business System page.

If access to an external USPTO web system is unavailable, please wait a few moments then reattempt access by refreshing the web browser.

AHD Maintenance

The USPTO will perform maintenance on the Assignment Historical Database (AHD) beginning at 12:01 a.m. and ending at 5 a.m., Friday, May 29 ET.

Access to Assignment Data via Public and Private Patent Application Information Retrieval (PAIR) will be unavailable during the maintenance period.

TSDR Maintenance

The USPTO will perform maintenance affecting the Trademark Status and Document Retrieval (TSDR) system beginning at 10 p.m. Saturday, May 30 and ending at 5 a.m., Sunday, May 31 ET.

TSDR will be unavailable during the maintenance period

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