On this page you can find additional resources to help you understand what Preissuance Submissions are and how to file them.

How to File Third-Party Preissuance Submissions

Filing electronically

Filing by paper

Third-Party Preissuance Submission Guidance

Third-Party Preissuance Submission Rules 

Frequently Asked Questions


Contact Us

For questions about filing Third-Party Preissuance Submissions electronically:

Patent Electronic Business Center (EBC): 571-272-4100

EBC Email:

For questions and clarifications about Third-Party Preissuance Submissions requirements:

Office of Patent Legal Administration (OPLA): (571) 272-7704 

OPLA Email: (link sends e-mail)

USPTO responses are provided for informational purposes only and should not be construed as providing legal advice or legal opinions