John P. Madden

John P. Madden, principal and founding member of O’Malley & Madden, P.C., focuses in employment law, civil and commercial litigation, and appellate advocacy. He has extensive experience representing clients in state and federal courts, as well as before agencies like the U.S. Department of Labor, the Illinois Human Rights Commission, and the EEOC. His practice includes cases involving discrimination, harassment, whistleblower retaliation, and wrongful termination under federal, state, and local laws. Mr. Madden is also a trusted advisor to individuals and small businesses, offering guidance on employment contracts, non-compete agreements, severance packages, workplace compliance, and the development of corporate policies. He provides training to businesses on personnel actions, disciplinary procedures, and risk mitigation to ensure compliance with applicable laws.

As an accomplished appellate lawyer, Mr. Madden has appeared before the U.S. Court of Appeals for the Seventh Circuit, the Illinois Supreme Court, and the Illinois Appellate Court, successfully briefing and arguing precedent-setting cases. Recognized by Illinois Super Lawyers® and Leading Lawyers, Mr. Madden is active in professional organizations, including the ABA and National Employment Lawyers Association. A frequent speaker, he addresses employment law and trial standards at national and local seminars.