Michael Jackson's former doctor Conrad Murray has filed suit against officials in Texas in an effort to have his medical licence reinstated. The physician walked free from a Los Angeles jail on Monday (28Oct13) after serving two years for involuntary manslaughter relating to the superstar's 2009 death, and he has wasted no time in attempting to get his career back on track, launching legal action against the Texas Medical Board so he can get back to work. Murray had his permit to practise medicine in the state suspended last year (12) after he was found guilty of administering the fatal dose of Propofol which cost the King of Pop his life, but he is fighting to block authorities from banning him for good. His lawyer, Charles Peckham, lodged a civil petition in Travis County last week (25Oct13), asking a judge to halt board members' efforts to invalidate his permit pending Murray's criminal appeal in California, and now the embattled physician has stepped up his fight by suing authorities for taking premature action against him. In court papers filed in Austin this week (begs28Oct13), Murray claims his involuntary manslaughter conviction is not final until all of his appeals are exhausted. He also states that he needs to return to work because he is more than $400,000 (£266,700) in debt and is struggling to cover his legal fees.