Allen Schwartz began as an associate in the firm of William D. Maddux & Associates in 1984. William D. Maddux became a Circuit Court Judge in Cook County in 1990, and Allen became an owner of Kralovec, Jambois & Schwartz, the successor firm to William D. Maddux & Associates. Allen Schwartz has received successful jury verdicts in Marion County, Indiana, and Cook County, DeKalb County, Will County, Winnebago County, and McHenry County, Illinois. The verdicts in DeKalb County (1993) and McHenry County (2001) set records for the largest verdicts in those counties. The verdicts in Cook County, Will County, Winnebago County, and McHenry County each exceeded $1 million.