USPTO Systems Status and Availability

Check this page for the latest information on operating status and availability of Online Business Systems. For Standard Hours of Availability for Online Business Systems, System Descriptions, and Operating Requirements/Compatibilities, see the links at left.

Current Status

Monday Sep 11, 2017


There are no current events at this time.

Planned Events

Monday Sep 18, 2017


Maintenance on DOCX Feature in EFS-Web and Private PAIR

The USPTO will perform maintenance on the DOCX feature in EFS-Web and Private PAIR beginning at 12:01 a.m. Wednesday, September 20 and ending at 5 a.m., Wednesday, September 20 ET.

During the maintenance period, you will be unable to file in the DOCX format or save any DOCX submissions within EFS-Web. You will also be unable to access the DOCX format within Private PAIR during this timeframe. However, you will still be able to file, save, and access PDFs in EFS-Web and Private PAIR during the maintenance period.

If you have any questions or need assistance filing via EFS-Web or PAIR, please contact the Patent EBC at 1-866-217-9197 or

Private PAIR Maintenance

The USPTO will be performing maintenance impacting the Private Patent Application Information Retrieval System (Private PAIR) beginning at 12 a.m., Thursday, September 21 and ending at 5 a.m., Thursday, September 21 ET.

During the maintenance period, users may experience short interruptions of service to Private PAIR. Users who make updates using Private PAIR may not be able to review the updates until after the maintenance is complete.

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