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Commercial Litigation


While our traditional litigation base is centered on plaintiffs' personal injury trial work, Corboy & Demetrio also handles commercial litigation cases on a contingency basis. Our practice includes litigation in the area of  breach of contract, breach of fiduciary duty, stockholder disputes and securities litigation.

Following is a representative sample of the types of cases we have handled.

We are representing a municipality in a breach of contract lawsuit against an architect for failure to design housing projects in conformance with their agreement and are also representing a number of sales managers in a breach of sales commission agreement against  their employer for nonpayment of commission over a period of several years.

Where an agreement gave a 5% ownership interest in a real estate venture company to the project developer and the company failed to honor that ownership interest, Corboy & Demetrio represented the developer in his demand for his share of the company.

We represented a business owner and his company in an action against a partnership, its related companies and individuals associated with the partnership for failure to pay the contractor for extensive electrical restoration and maintenance work performed at a Chicago building.  We also handled a case where a real estate agent who was not paid her commission on the sale of a $5 million property.

Our commercial litigation practice includes but is not limited to the following areas:

Business Litigation Contract Disputes
Securities Litigation Antitrust Litigation
RICO Litigation  



Media Center


Attorney-Authored Articles

  • Illinois Bar Journal, 07.2008
  • Trial Magazine, 04.2006
  • Principles of Illinois Discovery: An Overview, Illinois Civil Discovery Practice
    Illinois Institute for Continuing Legal Education (IICLE) - 1983, Supp. 1984, 1992, 1994, 1996, 1998, 2002, 2002
  • Demetrio on Trial Practice - Attorney-Client Privilege - Oh, Really?
    CBA Record, 10.2000
  • More Cases We Remember - A Lesson In Credibility
    Trial Magazine, 04.2000
  • Demetrio on Trial Practice - Offers of Proof, Why, When & How
    CBA Record, June/July, 2000
  • Demetrio on Trial Practice - Striving for Excellence
    CBA Record, 12.1999
  • Demetrio on Trial Practice - Opening Statement: Some Initial Thoughts and Bullet Points
    CBA Record, 11.1999
  • Demetrio on Trial Practice - Motions In Limine: Why, When and How to Use Them
    CBA Record, 10.1999
  • The National Law Journal, 06.1998
  • Positive Thinking
    Chicago Bar Association (CBA) Record, 05.1996
  • The Challenge of Merit Selection
    CBA Record, 04.1996
  • President’s Page
    CBA Record, February/March, 1996
  • Applause for the Court
    CBA Record, 11.1995
  • The Human Element
    CBA Record, 09.1995
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Corboy & Demetrio
33 N. Dearborn Street
21st Floor
Chicago, IL 60602