USPTO Systems Status and Availability

Friday May 29, 2015

Private PAIR Maintenance and TSDR Maintenance

Private PAIR Maintenance

USPTO will perform maintenance affecting Private Patent Application Information Retrieval (Private PAIR) nightly, beginning Saturday, May 30 until Sunday, May 31, as per the schedule below:

  • 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.

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