text:  To do so, they'll take the case to the Supreme Court. Mr Khan has had recent successes in court. On Friday, it was the Supreme Court that granted his party more seats in Parliament. On Saturday, his conviction for a case that had labelled his marriage to Bushra Bibi illegal was overturned. He was only stopped from being released from prison, where he's been since August last year, when the anti-terror court in Lahore said it was charging Mr Khan. BBC News.