USPTO Systems Status and Availability
Sunday Mar 03, 2013

PIW/AIW, EFSWeb, TEAS/TEASi, and Historical Database Maintenance

PIW and AIW Software Maintenance

USPTO will perform maintenance to the Patents Images on the Web (PIW) and Application Images on the Web (AIW) systems beginning at 10 p.m. Saturday, March 2 and ending 5 a.m. Sunday, March 3.

PIW and AIW will not be accessible through during the maintenance period.

EFSWeb Maintenance

The following submission types in EFS-Web and EFS-Web Contingency will be unavailable from 10 p.m. Saturday, March 2 until 5:30 a.m. Sunday, March 3:

  • Online fee payments
  • 371 National Stage applications
  • Supplemental Examination proceeding
  • Follow-on submission to an existing application including ePetitions

TEAS/TEASi Maintenance

TEAS and TEASi will be unavailable for system maintenance on Sunday, March 3 beginning at 12:01 a.m. and ending at 4 a.m. We sincerely apologize for the inconvenience.

Historical Database Maintenance

USPTO will perform maintenance on the Assignments Historical Database (AHD) starting at 10 p.m. and ending at 11 p.m. Sunday, March 3.

History of changes and other bibliographic data will not be able to be retrieved during the maintenance period.

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