How do I login without the Entrust Direct client application?

Authentication and login procedures using Entrust TruePass is built into the Portal Private PAIR application. The web based authentication procedures have enhanced self-administration functionality relative to Legacy Private PAIR. The new Private PAIR system and the patents electronic filing system, EFS-Web, can be accessed with the same .epf file and password that were used to authenticate with the Entrust Direct client.

USPTO FAQ - Questions and Answers (07DEC2007)