About

With over 20 years of experience in appellate litigation, constitutional law, and criminal defense, Mr. Leven has built a distinguished career advocating for justice at the highest levels. He has argued cases before the U.S. Supreme Court, the Illinois Supreme Court, and multiple state and federal appellate courts, shaping legal precedent and protecting the rights of individuals. His work has set important precedents in criminal justice, due process, and constitutional protections.

Mr. Leven’s meticulous legal research, compelling written advocacy, and persuasive oral arguments has earned him wide respect in the legal community. Whether defending constitutional rights or challenging wrongful convictions, he is committed to ensuring justice through the appellate process.

Mr. Leven is a dedicated legal advocate who believes that the law is a living instrument of justice. His unwavering commitment to his clients and the rule of law continues to shape the legal landscape in Illinois and beyond.

 

Publications

Mr. Leven's articles on constitutional law set forth below have appeared in esteemed law reviews, including the James Marshall Law Review and the DePaul Law Review. These publications represent leading voices on innovative ways to address and solve society’s most pressing legal issues. His work as a published author has provided him with invaluable insight and experience toward formulating innovative strategies to tackle his clients’ most difficult legal problems.

1. A Roadmap to State Judicial Independence under the Illinois Limited Lockstep Doctrine Predicated On the Intent of the Framers of the 1970 Illinois Constitution and Illinois Tradition, 62 DEPAUL L. REV. 63 (2012)

2. Attention Gun-Rights Advocates! Don’t Forget the Illinois Constitutional Right to Keep and Bear Arms, 48 J. MARSHALL L. REV. 53 (2014)

3. Fair Share and the State Constitution’s Free Speech Clause, Chicago Daily Law Bulletin (June 17, 2015)





Credentials

Bar Admissions

  • U.S. Supreme Court
  • The State Bar of Illinois

Law School

  • J.D. DePaul University College of Law