We are currently experiencing issues with our voicemail system. If you are unable to leave a message, we recommend sending an email to the appropriate division/person. You can view the complete list. We apologize for any inconvenience.


For information regarding getting inventions registered for a patent, contact the U.S. Patent and Trademark Office.

U.S. Patent and Trademark Office
2121 Crystal Drive, Suite 0100
Arlington, VA  22202

Phone:  703-308-4357
Toll-free 800-786-9199