Canadian electronic DJ Deadmau5 (real name Joel Zimmerman) is currently locked in a heated trade mark dispute with entertainment Goliath Disney.
Zimmerman performs his shows while wearing a cartoonish oversized mouse mask with even more cartoonish oversized rounded ears. This symbol, which has been dubbed "Mau5head", also appears on his range of clothing and accessories, including everything from cups to USB keys. Deadmau5 and his Mau5head are recognised and followed by millions world-wide. In June 2013, Zimmerman sought to cement his creation by applying for trade mark protection with the US Patent and Trademark Office.
Disney, fearing that its own intellectual property was