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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

Thursday Apr 17, 2014

Current Status

Currently there are no events.

Planned Events

Friday Apr 18, 2014

PSIPS, E-Patent Reference, ESTTA, and System Maintenances

PSIPS Maintenance

USPTO will perform maintenance affecting the Publication Site for Issued and Published Sequences (PSIPS) and Public Patent Application Information Retrieval (Public PAIR) beginning at 11:59 p.m., Friday, April 18 and ending at 4:01 a.m., Saturday, April 19.

PSIPS and Public PAIR will be unavailable during the maintenance period.

E-Patent Reference Maintenance

USPTO will perform maintenance affecting E-Patent Reference (EPR) beginning at 12:01 a.m. and ending at 5 a.m., Saturday, April 19.

EPR data viewed through Private Patent Application Information Retrieval (Private PAIR) will be unavailable during the maintenance period.

ESTTA Maintenance

USPTO will perform maintenance affecting the Electronic System for Trademark Trials and Appeals (ESTTA) beginning at 12:01 a.m. and ending at 6 a.m., Saturday, April 19.

ESTTA will be unavailable during the maintenance period.

System Maintenance

USPTO will perform system maintenance beginning at 12:01 a.m. and ending at 5 a.m., Monday, April 21.

The following systems will be unavailable during the maintenance period.

  • Assignments on the Web - Patents (AOTW-P)
  • Electronic Freedom of Information Act (E-FOIA)
  • Electronic Patent Assignment System (ePAS)
  • Electronic System for Trademark Trials and Appeals (ESTTA)
  • Electronic Trademark Assignment System (eTAS)

 

United States Patent and Trademark Office
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