Shaw Blvd., Ortigas Center, Mandaluyong, and its main headquarters is located at Pan-Philippine Highway, Brgy.
VRN operates a number of stations across regional places in Luzon under the Big Sound FM and Big Radio brands.
[1][2][3] In July 2011, VRN filed a legal trademark infringement case at the Intellectual Property Office against Manuelito F. Luzon, owner of ZimZam Management which operates and manages Metro Manila station DWKY (which used the "Big Radio" brand).
[4] The case was upheld in 2017, and Luzon violated Section 147 of the Intellectual Property Code of the Philippines.
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