Bill Cosby is fighting to get out of prison after three years inside.<br />Lawyers for Cosby appealed for a new sexual assault trial on Tuesday.<br />Cosby was convicted of drugging and sexually assaulting Andrea Constand during a 2004 encounter.<br />The lawyers claim the conviction was "fundamentally unfair."<br />In the case the judge allowed Cosby's deposition from a civil lawsuit to be considered.<br />Lawyers for Cosby say he believed he had immunity from prosecution in the case when he gave the deposition.
