Michael Hayes
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EMAIL mhayes@mcdonaldhopkins.com

PHONE 312.642.6151

Michael Hayes is a highly experienced litigator and regulatory attorney with over 40 years of experience.

Michael has focused his practice on litigation and government relations including multistate regulatory actions involving consumer, public utility and antitrust issues. His wide ranging litigation experience consists of suits for injunctive and declaratory relief, civil rights actions including Title VII employment discrimination matters; contract actions; construction litigation; constitutional and statutory challenges to State of Illinois statutes, rules and regulations; purchasing disputes; labor disputes and personnel matters; judicial review of administrative decisions; and matters related to state appropriations, regulation of healthcare and nonprofit entities. 

For over 16 years, Michael served in multiple positions for the Office of the Illinois Attorney General, including serving as the Deputy Attorney General. He represented public officials, employees and agencies of the State of Illinois involving state interests at all levels of the federal and state court systems and before quasi-judicial administrative bodies.   

Prior to practicing law, he was a teacher, coach and athletic director for eight years for a school in the Archdiocese of Chicago.

Michael earned his J.D., cum laude, from DePaul University College of Law in 1974 and received a B.A. in political science in 1968 from Loyola University. He is a 1964 graduate of Archbishop Quigley Preparatory Seminary.

Admissions - Court

  • U.S. Supreme Court
  • Illinois Supreme Court
  • U.S. District Court for the Northern District of Illinois
  • U.S. Court of Appeals for the 7th Circuit
  • Federal Trial Bar

Admissions - State

  • Illinois


  • DePaul University College of Law
  • Loyola University

Honors and Awards

  • Fenwick Bar Association Accipiter Award 

Professional Membership

  • City Club of Chicago
  • Catholic Lawyers Guild of Chicago
  • Fenwick Bar Association
  • NCCJ

Public Service and Volunteerism

  • City Club of Chicago, Outside General Counsel
  • Fenwick High School, Life Trustee
  • National Conference for Community and Justice, Past Chairman of the Chicago Chapter