Pursuing and Enforcing Child Support in Chicago and Suburban Cook County Illinois. Attorneys Who Understand How Important Your Children Are to You.Apply for child support services, download forms, access case information and more through their website. Complete the on-line application for free child support services if you live in Illinois and the dependent child(ren) lives with you. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts. Call Collins Family Law at 847-232-4206 for a free consultation to discuss the details of your unique legal case. In Illinois, spousal maintenance is a right just like child support is a right. However, there are limits to this right. A St. Charles, IL child support lawyer can help you petition to have child support reduced or increased. Use the alimony calculator below to estimate your spousal maintenance in Illinois.