A co-founder of Burning Man, the annual six-day festival of self-expression that culminates in the torching of a 40-foot effigy on the salt flats of northern Nevada, has sued his ex-partners to strip them of ownership of the event’s name and logo and to place the rights to their trademarks in the public domain.

John Law, who helped transform a series of small bonfire parties on a San Francisco beach into a phenomenon that drew more than 39,000 last year, sued Burning Man board members Larry Harvey and Michael Mikel in federal court Tuesday.

Full Story: ABC News.