USPTO Systems Status and Availability
Thursday May 09, 2013

EPAS Maintenance and Application Maintenance

EPAS Maintenance

USPTO will perform maintenance on the Electronic Patent Assignment System (EPAS) beginning at 1 a.m. and ending at 4 a.m. on Friday, May 10.

EPAS will be unavailable during the maintenance period.

Application Maintenance

USPTO will perform applications maintenance starting at 1 a.m. and ending at 7 a.m. on Sunday, May 12. The applications listed below will be unavailable during the maintenance.

  • Adjudicated Case Tracking System (ACTS)
  • Electronic Freedom of Information Act (EFOIA)
  • Electronic Filing System (EFS-Web and EFS-Web Contingency)
  • Office of Enrollment and Discipline Roster of Patent Attorneys/Agents (OEDCI)
  • Patent Application Information Retrieval (PAIR)
  • Patent Review Processing System (PRPS)
  • Revenue Accounting and Management System (RAM)
  • Trademark Electronic Application Submission (TEAS)

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