Download and complete Mortgage Foreclosure forms from the Illinois Office of the Courts. The mortgage foreclosure process it outlined below in detail.This is designed for lawyers. Learn how the Illinois foreclosure process works, including preforeclosure steps, foreclosure procedures, and homeowner rights. Our library of foreclosure Easy Forms and blank forms can help you resolve your legal problems. Enter your full names as Defendants. This guide is designed to provide clear information on the Illinois foreclosure process and help you navigate your next steps. Illinois requires the lender to file a lawsuit in court to foreclose. Types of Illinois Foreclosures. Illinois law states you can reinstate the loan within 90 days after you get a summons regarding the foreclosure.