File Online

  • Patent Center, the new tool for electronic filing and management of patent applications, will be replacing EFS-Web, Private PAIR and Public PAIR, and is available for all users. Patent Center features a training mode, which is a simulator to practice filing in DOCX format.  Visit the Patent Center Information page for more information.
  • Open Patent Center
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Full technical support for EFS-Web is available through the Patent Electronic Business Center (EBC) at 866-217-9197 (toll-free) or 571-272-4100 from 6 a.m. to 12 Midnight Eastern Time, Monday - Friday.