File Online


EFS Web Advice: EFS Web Logo


  • Patent Center Info Page - Patent Center is a new tool for electronic filing and management of patent applications. Visit the Patent Center Info Page for more information. Try the beta replacement for EFS-Web, Private PAIR and Public PAIR.



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.