Fees.uspto.gov's functioning was checked 2 times during the 1 199-day period beginning August 23, 2021. Fees.uspto.gov was accessible 2 times from the total tests conducted, and the most recent uptime on January 21, 2023, returned a code 200. In the course of the inspections, fees.uspto.gov did not experience any downtime as of December 5, 2024. As per the replies obtained as of December 5, 2024, no errors have been encountered in any of the responses. A response time of 1.108 seconds, with an average of 1.937 seconds, was recorded for fees.uspto.gov on January 21, 2023.