Foley & Mansfield
Foley & Mansfield

Kasia Kaczmarczyk

Attorney - Chicago


Bar Admissions: Illiniois

Practice Groups: Toxic Tort / Mass Tort; Product Liability

Education: The John Marshall Law School, JD, 2013; Northeastern Illinois University, B.A. Economics, 2008

Memberships: Executive Board Member, Vice President, The Advocates Society (Polish American Bar Association); Illinois State Bar Association; Former Member, Cook County State’s Attorney’s Office Recruiting Committee


Kasia Kaczmarczyk, an attorney in Foley & Mansfield’s Chicago office, focuses her practice in toxic tort/mass tort and product liability litigation, specifically asbestos defense.

Kasia began her legal career with the Cook County, Illinois State’s Attorney’s Office. As a former prosecutor, Kasia handled more than 400 trials and hearings, including bench and jury trials, including case management responsibilities for high volume felony and misdemeanor cases. While assigned to the Office’s civil division, Kasia represented the Illinois Department of Healthcare and Family Services in matters involving enforcement of child support and divorce related orders. Previously, she served as a victim witness specialist, preparing Polish-speaking victims and witnesses to testify in criminal trials throughout Cook County.

In law school, Kasia served as a judicial extern for the Honorable Ronald F. Bartkowicz (Commercial Calendar) where she conducted legal research and drafted orders and court opinions in commercial litigation and medical malpractice disputes, including breach of contract in construction cases, personal injury and medical malpractice matters. Kasia’s experience also includes drafting wills, trusts and powers of attorney.

Kasia is fluent in Polish. 


  • Continuing Education Scholarship recipient, John Marshall Law School


  • CLE Presenter,  Discovery Sanctions in criminal prosecution cases, September 2016, Advocates Society        


  • Former President, Polish American Law Student Association, John Marshall Law School
  • President of the Polish American Association Junior Board, 2014-2016
  • Evaluator for the high school mock trial competitions, 2016-2017 (North Suburban Bar Association and St. Ignatius College Prep)
  • Volunteer for the Presidential Campaign for Hillary Clinton in Florida, October of 2017


  • Author, monthly articles on Estate Planning issues published in the Polish Daily News, Dziennik Zwiazkowy, 2017