Einhorn filed a brief with the court on Friday, claiming that Apple's attempt to get shareholders to vote on a measure that he believes could make it impossible for the company to return more money to investors, would cause "an actual and imminent injury" to investors.Related StoriesApple's Sir Jony Ive is awarded 'Amazing' gold Blue Peter badgeOusted Apple retail boss John Browett becomes chief executive at Monsoon Accessorize
