Are there any attorneys in Cook or DeKalb County willing to take a case for child support and paternity/custody by a father?

Absolutely! If you are low-income, I suggest contacting Legal Aid. Cabrini Green Legal Clinic and and Chicago-Kent Law School Family Law Clinic...

Each child-support payment is an enforceable judgment, due on a particular date. Judgment interest of 9 percent per year accrues on each late...