There have been 22 checks done on eraportal.uspto.gov's accessibility in the 823 day period from September 22, 2022, up until today. Each evaluation completed as of December 23, 2024, found eraportal.uspto.gov to be unreachable or having problems. Eraportal.uspto.gov was down 100.00% of the times it was tested, or 22 occurrences, with the most recent downtime taking place on April 16, 2024. No reported response from all the replies received was found to have an error as of December 23, 2024. The response time on April 16, 2024, was — seconds, compared to the average of 0.001 seconds on eraportal.uspto.gov.