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Heyl Royster



Michael Schag (Partner)


At the Edwardsville and Chicago offices, Mike focuses on toxic tort defense as the lead counsel for defendants in the construction, manufacturing, engineering, transportation and aviation sectors.  He has represented contractors, premises owners, product manufacturers, designers and distributors.  Mike also handles other forms of civil litigation including products liability, contracts (government, commercial and political consulting), insurance, class actions and military law.  Mike has been appointed as an Assistant State's Attorney for Madison County, Illinois. 

Mike is a career Air Force Reserve officer holding the rank of Lt. Colonel.  He is a Judge Advocate and serves on a headquarters legal staff in Air Mobility Command at Scott Air Force Base.  For over a decade, he has been a key player in developing the Air Force's innovative trial advocacy instructional programs as a program leader and instructor.  He is considered a master advocate having tried dozens of cases as a prosecutor, Area Defense Counsel and Circuit Defense Counsel, and also having presided over dozens of pre-trial and administrative hearings. 

As an Adjunct Professor at Embry-Riddle Aeronautical University for ten years, Mike taught over 25 graduate and undergraduate courses in insurance, environmental, labor and employment, business, and aviation law. During law school, Mike was a Merit Scholar and the Executive Articles Editor of the Law Review.

Significant Cases

  • Ridenour v. Kaiser-Hill Co. 397 F.3d 925 (10th Cir. 2005) Successful defense of government contractor in False Claims Act appeal averting revelation of classified information and adopting the Sequoia standard of review.


  • "Legal Guide for Military Families," co-author, The American Bar Association (2013)
  • "Servicemember and Veterans Rights," co-author, Matthew Bender (2011)
  • "Servicemembers Civil Relief Act," chapter in Military Service and the Law, co-author, Illinois Institute for Continuing Legal Education (2009) - Download Article
  • "Finding Your Way Around the Servicemembers Civil Relief Act," Illinois Bar Journal (2007)
  • "The Dynamics of State and Local Protest Litigation," Contract Mgmt (2006)
  • "10 Principles for Receiving High-Quality Legal Services," Contract Mgmt (2005)
  • "The Consequences of Mutually Mistaken Facts in Contracting," Contract Mgmt (2005)
  • "Developing Basic Trial Skills," The Civil Litigator (2004)
  • "The Use and Misuse of Contingent Fees in Government Contracting," Contract Mgmt (2003)
  • "The Federal Mentor-Protege Program," Contract Mgmt (2003)
  • "Commercial Contract Liability," Contract Mgmt (2002)
  • "The Legal Environment of Insurance Malpractice," Arizona Agent (1996)
  • "The Case for Expanded Illinois Insurance Producer Duties," Northern Illinois University Law Review (1996)

Public Speaking

  • “Representing Veterans with Post Traumatic Stress Disorder”
    Illinois Institute of Continuing Legal Education 2014
  • “Risk Assessment: Hydraulic Fracturing (Fracking)”
    Illinois Association of County Engineers 100th Annual Spring Meeting 2014
  • “Asbestos Damages and the Economics Expert”
    Midwest Asbestos Litigation Conference 2012
  • “Local Government Law: What Attorneys Need to Know”
    Fairview Heights 2012
  • “Issues of Justice and Dignity in the Law”
    John Marshall University Law School 2011
  • “Air Force TRIALS Program”
    Interviewed on Armed Forces Network Television 2010
  • “Mortgage Foreclosures: The Meltdown Continues”
    Illinois Institute of Continuing Legal Education 2010
  • “Servicemembers Civil Relief Act”
    Southern Illinois University 2009
  • “Business Implications of Servicemembers Civil Relief Act”
    Illinois State Bar Association 2006-2008
  • “Contract Protest Litigation”
    World Congress 2005
  • “Legal Perspectives in Government Contracting”
    University of Missouri-St. Louis 2005

Professional Recognition

  • Selected as a Leading Lawyer in Illinois in the areas of Toxic Torts Defense Law, Products Liability Defense Law, Military Law, and Professional Malpractice Defense. Only five percent of lawyers in the state are named as Leading Lawyers.

Professional Associations

  • National Contract Management Association: Board of Directors 2003-2004
  • American Bar Association, Litigation and Public Contracts Sections
  • Illinois State Bar Association 

Court Admissions

  • State Courts of Illinois, Missouri and Colorado
  • United States Court of Federal Claims
  • United States District Court, District of Colorado
  • United States District, Southern District of Illinois
  • United States Air Force Court of Criminal Appeals
  • United States Court of Appeals, Armed Forces
  • United States Court of Appeals, Federal Circuit
  • United States Court of Appeals, Tenth Circuit
  • Supreme Court of the United States