USPTO Outage History

USPTO is up right now

USPTO had 10 outages in the last 2 years — averaging 0.4 incidents per month.

There were 10 USPTO outages since April 21, 2026. Each is summarised below — incident details, duration, and resolution information.

Source: https://www.uspto.gov/system-status

Minor June 10, 2026

OC and DAV Issue Resolved

Detected by Pingoru
Jun 10, 2026, 07:57 AM UTC
Resolved
Jun 10, 2026, 07:57 AM UTC
Duration
Timeline · 1 update
  1. resolved May 19, 2026, 12:56 PM UTC

    The issues with latency and not being able to load (OC) and (DAV) have been resolved. During this time, users should work in DAV and...

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Minor April 22, 2026

SOaR Training: learn to search like an examiner

Detected by Pingoru
Apr 22, 2026, 04:01 PM UTC
Resolved
Apr 22, 2026, 04:01 PM UTC
Duration
Timeline · 1 update
  1. monitoring Apr 21, 2026, 08:09 PM UTC

    [[VIEW_THIS]] Patent Alert Learn to search like an examiner Are you interested in learning how to use the Patent Public Search tool (PPUBS) to search...

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Minor April 22, 2026

USPTO announces agentic AI-assisted evaluator for patent eligibility determinations

Detected by Pingoru
Apr 22, 2026, 04:01 PM UTC
Resolved
Apr 22, 2026, 04:01 PM UTC
Duration
Timeline · 1 update
  1. monitoring Apr 21, 2026, 08:09 PM UTC

    [[VIEW_THIS]] Press Release USPTO announces agentic AI-assisted evaluator for patent eligibility determinations ALEXANDRIA, VA—As part of the U.S. Patent and Trademark Office's (USPTO) continued efforts...

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Minor April 22, 2026

USPTO announces pre-order procedure regarding substantial new question determination in ex parte reexamination proceedings

Detected by Pingoru
Apr 22, 2026, 04:01 PM UTC
Resolved
Apr 22, 2026, 04:01 PM UTC
Duration
Timeline · 1 update
  1. monitoring Apr 21, 2026, 08:09 PM UTC

    [[VIEW_THIS]] Patent Alert USPTO announces pre-order procedure regarding substantial new question determination in ex parte reexamination proceedings The United States Patent and Trademark Office (USPTO)...

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Minor April 22, 2026

Outgoing Email Service Interruption

Detected by Pingoru
Apr 22, 2026, 04:01 PM UTC
Resolved
Apr 22, 2026, 04:01 PM UTC
Duration
Timeline · 1 update
  1. monitoring Apr 21, 2026, 08:09 PM UTC

    The USPTO is currently experiencing a partial outgoing email service interruption. Agency email may be delayed or not delivered at all to email addresses with...

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Minor April 22, 2026

Search USPTO.gov

Detected by Pingoru
Apr 22, 2026, 04:01 PM UTC
Resolved
Apr 22, 2026, 04:01 PM UTC
Duration
Timeline · 1 update
  1. monitoring Apr 21, 2026, 08:09 PM UTC

    <p>Search <a href="http://www.uspto.gov">www.uspto.gov</a></p>

Read the full incident report →