From January 28, 2021, up until now, which is a period of 1 390 days, the availability of uspto.gov has been checked 5 times. 5 times out of all tests conducted, uspto.gov was accessible, most recently on December 6, 2022, when it returned a 200 status code. As of November 18, 2024, uspto.gov revealed no offline periods throughout all inspections. As of November 18, 2024, no response contained any errors, according to all received replies. On December 6, 2022, the response time of uspto.gov was 1.474 seconds, which is 1.464 seconds on average.