USPTO Systems Status and Availability

Monday Jul 18, 2022

Current Events

Patent Center, EFS-Web, TEAS, and TEASi Intermittent Filing Issues

Users are intermittently receiving a 429 eError code “too many requests” when attempting to log into their USPTO.gov accounts to file in Patent Center, EFS-Web, TEAS and TEASi. The workarounds for this error are clearing the browser cache or switching web browsers.

Other USPTO systems may also be affected. The USPTO technical teams are investigating.

USPTO 429 errors

Users that are experiencing 429 Errors accessing USPTO systems will need to clear their cache and then retry.

If unsuccessful, please proceed to the "Reset Password" procedure to register a new password with My.USPTO.gov to get access to any USPTO system.  

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