USPTO Systems Status and Availability

Monday Apr 06, 2015

System and TEAS Maintenances

System Maintenance

The USPTO will perform maintenance affecting several systems beginning at 12:01 a.m. and ending at 5 a.m., Thursday, April 9 ET, and again beginning 12:01 a.m. and ending at 5 a.m., Friday, April 10 ET.

The systems listed below will be unavailable during both of the maintenance periods:

  • Electronic System for Trademark Trials and Appeals (ESTTA)
  • Electronic Trademark Assignment System (ETAS)
  • Electronic Patent Assignment System (EPAS)

TEAS Maintenance

The USPTO will perform maintenance on the Trademark Electronic Application System (TEAS) beginning at 8 a.m. and ending at 11:59 a.m., Saturday, April 11 ET.

TEAS will be unavailable during the maintenance period. We apologize for any inconvenience this may cause.