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USPTO Systems Status and Availability

Saturday Nov 23, 2013

EFS-Web and TEAS Maintenance

EFS-Web Maintenance

USPTO will perform maintenance on the Electronic Filing System (EFS-Web) beginning at 12:01 a.m. and ending at 4 a.m., Sunday, November 24.

EFS-Web will be unavailable during the maintenance period.

TEAS Maintenance

USPTO will perform system maintenance on the Trademark Electronic Application System (TEAS) beginning at 12:01 a.m. and ending at 5 a.m., Wednesday, November 27.

TEAS will be unavailable during the maintenance period.

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