Learn how long it takes to foreclose on a home in Illinois, the best way to avoid foreclosure and the 10 steps in the Illinois home foreclosure process. Cook County Lis Pendens Form.Fill in the blank form formatted to comply with all recording and content requirements. Download and complete Mortgage Foreclosure forms from the Illinois Office of the Courts. Lis pendens is a notice lenders use when they initiate a foreclosure sale. Foreclosure notice (the "lis pendens") and the associated foreclosure court case number. Once the complaint is filed, it enters a Lis pendens, meaning a suit is pending.