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Dr. Conrad Murray, Michael Jackson's doctor is guaranteed to spend the next three weeks in jail awaiting sentencing for the pop star's death. But the amount of time he serves after that could be shortened because of the overcrowded prison system in California. Image Credit: EPA

The doctor sentenced to four years in prison for causing Michael Jackson's death has filed a notice that he intends to appeal the conviction.

Conrad Murray signed the notice that was filed in Los Angeles on Friday seeking all records and transcripts from the case. The filing does not indicate the basis on which Murray will argue to overturn his conviction or sentence.

Murray was sentenced on Tuesday for his involuntary manslaughter conviction, but the term will be automatically cut in half.

Superior Court Judge Michael Pastor criticised Murray's conduct, calling him a disgrace to the medical profession.

Murray's challenge will be heard by a state appeals court in Los Angeles.