Internal system status and availability
Check this webpage for the latest information on the operating status of USPTO's internal systems and planned maintenance activities.
Current status of USPTO systems
UPDATE: How to Resolve PE2E-OC issues
Users are continuing to experience issues related to Patents End-to-End (PE2E)-Official Correspondence (OC). If you are experiencing issues, please follow the steps below.
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Last updated: Tuesday, May 19, 2026 at 12:02 PM ET
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