Photo of Donald E. Weihl

Donald E. Weihl

Of Counsel

With a strong track record of service to the profession and the community, Don Weihl helps businesses and individuals facing legal questions or disputes related to their business, real estate or personal estate.


  • Illinois


J.D., University of Illinois College of Law, 1961

B.S., Commerce and Law, University of Illinois at Urbana–Champaign,  1959


Donald Weihl draws on his extensive trial experience to represent clients in matters of commercial litigation. He also provides counsel on trusts and estates and real estate matters.

Don has been involved in appellate proceedings in state and federal courts and also has acted as an arbitrator. He was appointed chairman of the Civil Justice Reform Act Advisory Group for the Southern District of Illinois, a testament to his experience trying cases in federal court. Under his leadership, the advisory group worked to develop a system for addressing excessive delays in civil cases in the federal court district.

Throughout his career, Don has held a number of additional leadership roles in business and law. He is a former director of the Bankers Trust Company and the Clients' Security Fund of the Bar of Illinois and a current director of the Harrisonville Telephone Company. He has held numerous leadership positions in legal groups including the Illinois State Bar Association.

Professional Affiliations

  • American Bar Association
  • American Bar Foundation, life fellow
  • American College of Trust and Estates Council
  • American Law Institute, life member
  • Illinois State Bar Association, Board of Governors, 1972-1974; Estate Planning, Probate and Trust Law Section Council, chairman, 1979-1980; Law Office Economics Section Council, chairman, 1992-1993; Real Estate Law Section Council, 1994-2000
  • Illinois Institute for Continuing Legal Education, Board of Directors, 1982-1990, Chairman, 1988-1989
  • Illinois Bar Foundation, fellow charter member
  • East St. Louis Bar Association, former president, 1976-1977
  • Monroe County Bar Association
  • St. Clair County Bar Association, former president, 1978-1979

Honors & Awards

Honors & Awards

  • Illinois Leading Lawyers, Commercial Litigation, Trusts/Will/Estate, Real Estate: Finance

News & Insights



  • "The New, More Clear, More Complete Rules: The Example of Rule 3.7"
    Illinois Bar Journal, November 11, 2010
  • "Can You Find It?"
    The Bottom Line - ISBA Newsletter, June 2013
  • "Conducting Effective Associate Reviews"
    The Bottom Line - ISBA Newsletter, September 2012
  • "Turning Out The Lights"
    The Bottom Line - ISBA Newsletter, September 2010
  • "Does Your Voicemail Irritate Clients?"
    The Bottom Line - ISBA Newsletter, September 2011
  • "Who Does the File Belong To?"
    The Bottom Line - ISBA Newsletter, December 2010
  • "Where Have All the Clients Gone?"
    The Bottom Line - ISBA Newsletter, December 2009
  • "More on Associates"
    The Bottom Line - ISBA Newsletter, June 2009
  • "You Want it When"
    The Bottom Line - ISBA Newsletter, September 2008
  • "More on Engagement Letters"
    The Bottom Line - ISBA Newsletter, May 2008