Authentication Change for EFS-Web and PAIR

Visit the Authentication Change FAQs for frequently asked questions regarding the authentication change for EFS-Web and PAIR.EFS-Web and Private PAIR users now have a new, safer, and simpler login. The USPTO is moving from using PKI certificates for two-factor authentication because the software will no longer be supported after 2018. With this in mind, we now offer a new, two-factor authentication method using accounts.​ 

How does logging in with help you?

  • Eliminates shared credentials: practitioners no longer need to share accounts with support staff because they will all have their own accounts.
  • Modernizes security processes with two-step authentication: username and password plus a one-time code delivered by email or mobile device application.
  • Saves time by granting access to multiple USPTO systems with one consolidated sign-in process.
  • Ensures USPTO compliance with the latest Federal Information Security Management Act requirements.
  • Helps resolve browser compatibility issues.
  • Gives users access to EFS-Web and Private PAIR until the planned full release of Patent Center in 2020.


If you need assistance creating your account, please call the USPTO Contact Center (UCC) at 800-786-9199. For assistance with migration and/or sponsorship, please contact the Patent Electronic Business Center at or 866-217-9197