File Online

  • Patent Center is the next generation tool, has 100% of the functionality of EFS-Web, Public and Private PAIR, and is available to all users for electronic filing and management of patent applications in a single unified interface. Patent Center features a training mode, which is a simulator to practice filing.  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.