USPTO Systems Status and Availability
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)
Posted at 06:00AM Apr 19, 2014 in Planned Events |