The USPTO is retiring EFS-Web and Private PAIR, effective November 8, 2023. Please use Patent Center to file and manage your applications and requests. Visit the EFS-Web and Private PAIR Retirement and Patent Center information pages for more information.
Patents with an issue date on or after April 18, 2023 are issued as electronic patent grants (eGrants).
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.