Pay maintenance fees and learn more about filing fees and other payments
Notices of possible system outages
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.
Posted at 01:00PM Apr 16, 2014 in Planned Events |