O'BRIEN & MARQUARD, P.L.C.
Specialty:
“2026 Update: O'Brien & Marquard, P.L.C. is dedicated to helping protect the rights of employees. Dorothy O’Brien is the senior attorney of O'Brien & Marquard, P.L.C. The firm's attorneys have over 40 years of combined experience with a driven record of success in representing employees. They explain the law details and how it applies to your facts and issues, which helps you make an informed decision clearly with their help. O'Brien & Marquard, P.L.C. will stand throughout the legal process, providing pertinent and timely advice. She has successfully obtained recoveries in overtime cases against major employers in Illinois and Iowa.”
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