Next, provide a description of the real estate involved in the suit. Cook County Lis Pendens Form.Fill in the blank form formatted to comply with all recording and content requirements. The Cook County Clerk's Office has assumed all operations and duties of the Cook County Recorder of Deeds Office and that office no longer exists. Mortgages,; Leases,; Liens,; Easements,; Condominium Declarations, and; Notices of pending lawsuits regarding the property (called Lis Pendens). If you have received a notice of lis pendens in Illinois, contact real estate attorney Marc J. Blumenthal at (847) 8087092 for legal help. This page breaks down the rules, requirements, and deadlines you need to follow to file an Illinois mechanics lien. Visit your county recorder's office and ask to file a Notice of Lis Pendens. After the form is filled out, it's time to file your lien claim with the recorder of deeds in the Illinois county where the property is located. Although a lis pendens is not a lien, it is a cloud on title and can therefore have the effect of slowing or stopping a sale. Why?