There is no other Radio One that is trademarked .
Not true. Urban One trademarked Radio One. I just did a search at ustpo.gov:
Word Mark RADIO ONE
IC 038. US 100 101 104. G & S: Radio and Internet broadcasting services; streaming of audio, visual and audiovisual material via a global computer network; On-line web-casting and internet broadcasting of audio-visual programming and audio streaming transmission of music and voices via computer terminals; providing online chat rooms and electronic bulletin boards for transmission of message among computer users; Electronic mail services. FIRST USE: 19910910. FIRST USE IN COMMERCE: 19910910
Standard Characters Claimed
Mark Drawing Code (4) STANDARD CHARACTER MARK
Serial Number 85911239
Filing Date April 22, 2013
Current Basis 1A
Original Filing Basis 1B
Published for Opposition March 18, 2014
Registration Number 4672418
Registration Date January 13, 2015
Owner (REGISTRANT) Radio One, Inc. CORPORATION DELAWARE 1010 Wayne Avenue 14th Floor Silver Spring MARYLAND 20910
(LAST LISTED OWNER) URBAN ONE, INC. CORPORATION DELAWARE 1010 WAYNE AVENUE 14TH FLOOR SILVER SPRING MARYLAND 20910
Assignment Recorded ASSIGNMENT RECORDED
Attorney of Record Ann K. Ford
Prior Registrations 2876047;3154448;3477163;AND OTHERS
Disclaimer NO CLAIM IS MADE TO THE EXCLUSIVE RIGHT TO USE "RADIO" APART FROM THE MARK AS SHOWN
Description of Mark Color is not claimed as a feature of the mark.
Type of Mark SERVICE MARK
Register PRINCIPAL
Affidavit Text SECT 15. SECT 8 (6-YR).
Live/Dead Indicator LIVE