Conrad Murray, the cardiologist convicted of killing Michael Jackson by administering the pop-music icon with a high dosage of the powerful anesthetic propofol,
was released from prison earlier this week and is now suing the state of Texas in a bid to regain his medical license.
After serving less than two years of his four-year sentence for involuntary manslaughter in Jackson's death,
the Associated Press reported that Murray announced on Thursday he was taking the Texas Medical Board to court.
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The former physician claims that the state of Texas prematurely revoked his license after his 2011 conviction in California because the appeals process has yet to be exhausted.
His attorney Valerie Wass has argued that the court should not dismiss the appeal because it could alter his overall sentence, and it could help his damaged reputation.
In his affidavit, Murray also claimed that he has former patients eager for him to work again and owes more than $400,000 in court costs from his trial, the AP reported.
"Anybody who wants to work in this country ought to be able to have the right to do so. Dr. Murray is like everyone else, in that he needs to be able to do his line of work," Murray's other attorney Charles Peckham told reporters on Thursday.
The lawsuit against the Texas Medical Board was filed last Friday, three days before the 60-year-old Murray was released.
When asked for a comment by the AP, Texas Medical Board spokesman Jarrett Schneider said the agency cannot comment on pending litigation.
In addition to having had his license revoked in Texas, both California and Nevada have also suspended Murray's medical license, while in 2010 it lapsed in Hawaii where there has been no apparent attempt to renew it.
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Murray, who was Jackson's personal physician, was convicted of causing Jackson's death in June 2009 by providing him with the powerful anesthetic propofol as a sleep aid while the 50-year-old pop icon prepared for his "This Is It" world tour.
Jackson's family, led by his mother Katherin Jackson, subsequently sued concert promoter AEG Live for $1.5 billion claiming their alleged role in hiring Murray which led to her son's untimely death. On Oct. 2,
a Los Angeles jury cleared AEG Live of liability in the wrongful death lawsuit.