USPTO Systems Status and Availability

Saturday Nov 09, 2013

Applications Maintenance

Applications Maintenance

USPTO will perform maintenance beginning at 10 p.m., Saturday, November 9 and ending at 2 a.m., Sunday, November 10.

The maintenance may cause the applications listed below to experience a brief service interruption, but no outage is expected:

  • Electronic Filing System (EFS-Web)
  • Patent Application Informaion Retrieval (PAIR)