A summons is a pre-printed legal form that tells a defendant that he or she is being sued. O It is your written response to the claims in the.A complaint is considered a pleading. A pleading is a formal document that starts or defends a lawsuit. Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms. Plead facts, not conclusions. If you indicated in 7)(a) that you have filed your complaint with the EEOC or the. For a more complete discussion of counterclaims, see §7.69 below. Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms. You have a right to an attorney.