(CNN) An Illinois grand jury has indicted entertainer R. Kelly on 11 new charges in his sexual assault and sexual abuse case, including four new felonies with maximum penalties of 30 years in prison, according to court documents released Thursday.

His attorney said Kelly has been recharged in his existing case as it pertains to one alleged victim.

The charges range from aggravated criminal sexual assault, criminal sexual assault to aggravated criminal sexual abuse, the document says.

A person convicted of aggravated criminal sexual assault can be sentenced to between six and 30 years in prison, according to Illinois law.

Kelly, 52, has vehemently denied any allegations of sexual misconduct.

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