Trademark Overview
On Saturday, September 6, 2025, a trademark application was filed for DUOFON with the United States Patent and Trademark Office. The USPTO has given the DUOFON trademark a serial number of 99378536. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Saturday, September 6, 2025. The DUOFON trademark is filed in the Communication Services category with the following description:
Internet telephony services; Telephony communication services; Computer telephony services; Computerised telephony services; Mobile telephony