Jurisdiction And Justice: Understanding Post-judgment Motion Amendments In Illinois

This article explores the Illinois Appellate Court's ruling in Owens v. Berkshire, clarifying that courts retain jurisdiction for post-judgment motion amendments Illinois beyond the 30-day window if a timely motion is pending.

For years, practitioners and litigants have operated under a rigid understanding of the “30-day rule”—the principle that a circuit court loses its authority to modify a final judgment once thirty days have elapsed without a specific filing. However, in Owens v. Berkshire Nursing & Rehab Center, LLC, 2026 IL App (1st) 241662, the Illinois Appellate Court addressed a pivotal procedural question: If a timely post-judgment motion is already pending, does the court have the authority to allow an amendment to that motion after the initial 30-day window has closed?