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Brian Sundheim is a trial lawyer with a focus on tort liability matters involving professional negligence, especially medical malpractice, as well as premises, automobile, construction, trucking, and product liability. He also provides trial oversight and trial consulting on behalf of excess and reinsurance issuers.

Brian is an AV-rated trial attorney. Throughout his legal career, he has represented a wide range of clients, including retailers, wholesalers, manufacturers, hospitals, physicians, lawyers, and accountants, and has successfully tried numerous cases to verdict on their behalf.


  • The John Marshall Law School, J.D. 1986
  • Loyola University Chicago, B.A. 1982

Bar Admissions

  • Illinois
  • United States District Court for the Northern District of Illinois

Related Practices


Pretzel & Stouffer Attorneys Recognized as Preeminent by Martindale-Hubbell

Pretzel and Stouffer partners, David Bennett, Robert Chemers, Suzanne Crowley, Matthew Egan, Patrick Healy, Brian Henry, James LaBarge, Edward Nielsen, Howard Pikel, Brian Rocca, Alan Schumacher, Brian Sundheim, John Smith, Richard Waris, and Timothy Weaver, were selected in 2019 by their peers as Preeminent for Highest level of Professional Excellence by Martindale-Hubbell.

July 2019 | Firm News

Pretzel & Stouffer Partner Conducts Mock Jury Trial for First-Year UIC Internal Medicine Residents

Pretzel & Stouffer partner Brian Sundheim recently conducted a mock jury trial program for 35 University of Illinois Medical Center first-year internal medicine residents at the Daley Center in Chicago. The program provided a hands-on look at what defendant physicians face in the courtroom during a medical malpractice lawsuit. In addition to the unique perspective Mr. Sundheim ...

November 2011 | Firm News


Brian Sundheim & Kelly Kono obtained summary judgment for their client, a psychiatrist, in a case pending in Winnebago County

Pretzel & Stouffer partners Brian Sundheim and Kelly Kono obtained summary judgment for their client, a psychiatrist, in a case pending in Winnebago County. The pleadings alleged violations of the Illinois Mental Health and Disabilities Code and “false imprisonment”, for “involuntary” hospitalization of a patient who had been brought by Rockford paramedics to OSF Saint Anthony’s Hospital after being ...

January 2021

Not Guilty Verdict for Internal Medicine Physician

  In what is likely to be the last verdict in Cook County for a while, Pretzel & Stouffer partners Brian Sundheim and Kelly Kono obtained a not guilty verdict on March 17 on behalf of an internal medicine physician. The case involved the alleged failure to diagnose transient ischemic attacks prior to the patient ...

March 2020

Not Guilty Jury Verdict for Anesthesia / Pain Management Specialist

Brian Sundheim, recently obtained a jury verdict in Cook County, Illinois in favor of an anesthesiologist/pain management specialist. The plaintiff claimed that defendant failed to recognize plaintiff’s drug-seeking behavior, continued to prescribe opioid medications despite family concerns, and had an inappropriate close personal relationship with her during treatment, all of which prolonged her addiction and ...

October 2016 | Firm News