On March 23, 2023, the Illinois Supreme Court held that email service was not authorized for a citation to discover assets, and a competing citation served via registered mail had lien priority.

On March 4, 2010, the Appellate Court of Illinois, Fifth District, upheld a decision of the Circuit Court of Williamson County finding that the common-fund doctrine applied to hospitals' statutory liens filed pursuant to the Health Care Services Liens Act. 770 ILCS 23/1 et seq.

On January 21, 2004, the Appellate Court of Illinois, Second District, affirmed the judgment of the Circuit Court of Winnebago County, reversing an administrative order of the Illinois Department of Public Aid as against the manifest weight of the evidence.

The Illinois Vehicle Code was recently amended to require that persons holding a security interest in a vehicle, who are in possession of the certificate of title, must release the security interest within 21 days after receiving payment in satisfaction. 

On October 1, 1998, the Illinois Supreme Court affirmed the appellate court's holding that the physician's lien was valid despite technical deficiencies.