Mead Corp. v. Illinois Dept. of Revenue222 Ill. 2d 609 Ill.2007Check Treatment 862 N.E.2d 235 (2007) 222 Ill. 2d 609 308 Ill. Dec. 635 MEAD CORP. v. ILLINOIS DEPT. OF REVENUE. No. 103854. Supreme Court of Illinois. January Term, 2007. Disposition of petition for leave to Appeal Denied.