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USPTO Systems Status and Availability

Tuesday Sep 24, 2013

EFS-Web and EPAS Maintenance

EFS-Web Maintenance

USPTO will perform maintenance on EFS-Web Registered, Unregistered, and Contingency beginning at 12:01 a.m. and ending at 3 a.m., Wednesday, September 25.

Users should not access any of the applications mentioned during the maintenance period.

EPAS Maintenance

The USPTO will perform maintenance on the Electronic Patent Assignment System (EPAS) beginning at midnight and ending at 12:30 a.m. on Saturday, September 28.

EPAS customers may save their submissions and submit the saved submissions once the maintenance period is complete.

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