Service interruption - all e-commerce applications

Due to maintenance activities, all e-commerce applications are unavailable on Sunday from 12:30 a.m. until 12:00 p.m. (EST).

We apologize for any inconvenience.

Sign in Patent Maintenance Fees - Unavailable

Service interruption - The application is currently unavailable

This e-service operates Monday to Friday from 6:30 a.m. to 10:00 p.m. (Eastern Time).

See more information about this application here.

We apologize for any inconvenience.