Multiple System Maintenance
The USPTO will perform maintenance affecting multiple systems 12:01 a.m. until 5:30 a.m. Tuesday, November 22 ET.
The following systems will be unavailable during the maintenance period:
• EFS-Web for Registered eFilers, Unregistered eFilers, and EFS-Web Contingency
• Private PAIR
Patent Center will be available as an alternative to electronically file and retrieve patent applications. Please refer to our Filing Documents during an Outage page for other alternative filing method.
Last updated: Monday, Nov 21, 2022 at 8:07 AM ET
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