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200 West Madison Street
Suite 2700
Chicago, Illinois 60606
Cornelius “Con” F. Riordan concentrates his practice in the areas of contractors, sureties and lenders in both litigation and transactional aspects of construction and surety law. He has tried cases to verdict for contractors and sureties as well as representing them in appeals in both state and federal courts. He also has extensive transactional experience, including preparation of construction contracts, construction loan agreements as well as documents in default and termination cases, workouts, financing of principals, asset sales and acquisitions. As part of Con’s construction practice, he has participated in mediation and arbitration proceedings.
Illinois Super Lawyers®, Construction Litigation, 2008-2024
The Best Lawyers in America®, Construction Law, 2006-2019, 2025; Litigation-Construction, 2011-19, 2025; Chicago Lawyer of the Year, Litigation-Construction, 2015
Leading Lawyer in Construction Litigation, 2014-2017
State of Illinois
U.S. District Court of Northern District of Illinois
U.S. Court of Appeals, Seventh Circuit
U.S. District Court, Northern District of Indiana
U.S. District Court, Eastern and Western Districts of Wisconsin
U.S. District Court, Central District of Illinois
U.S. District Court, Southern District of Illinois
U.S. District Court, District of North Dakota
Chicago Bar Association
Illinois State Bar Association
Society of Illinois Construction Attorneys, Past President
American Bar Association’s Fidelity and Surety Law Committee and Forum on Construction Law