Cases and documents within a case identified as impounded, sealed, secured or otherwise confidential in the circuit court shall remain as such when filed in the reviewing courts, and the parties of record shall have the same level of access, if any. This Rule does not apply to an opinion or Rule 23 order disposing of an appeal, or to a supervisory order affecting the validity of an opinion or Rule 23 order.
Ill. Sup. Ct. R. 371