By Kirstin Ridley LONDON (Reuters) – Investors burnt by the collapse of a flagship fund run by once-famed stock picker Neil Woodford urged a London judge on Thursday to block an “unfair” redress scheme worth up to 230 million pounds ($292 million). A lawyer for a group opposing the compensation proposal at a final High Court “sanction hearing” said it had been misrepresented, would block retail investors from the protection of statutory redress routes and only returned 4-6 pence in the pound for some. “This is of enormous public importance,” Damian Falkowski, representing the Woodford Campaign…