NEWS:  “One of Prince's many nicknames was The Purple One. It was reportedly his favourite colour, and after the success of Purple Rain its use defined his image and his legacy. Now, it is set to do so in perpetuity, as the late singer's estate looks to claim ownership over the use of “the colour purple” in films and live and recorded music. Paisley Park Enterprises, his company, filed an application earlier this month with the US Patent and Trademark Office to do just that.“