About The Law Offices of Gabriel J. De Matteo


Experienced criminal defense attorney, Gabriel J. De Matteo, heads the firm, The Law Offices of Gabriel J. De Matteo, in Lincolnwood, Illinois. Mr. De Matteo has been involved in the legal field for more than 30 years.


While still enrolled in The John Marshall Law School in Chicago in 1985, De Matteo worked as a law clerk for the firm of Walsh and Neville in downtown Chicago. He also volunteered as a student prosecutor in the Narcotics Unit at the Cook County State Attorney’s Office. In 1986, De Matteo began his career as a licensed attorney. He was honored to have been selected by State's Attorney Richard M. Daley to serve as a Cook County Assistant State’s Attorney.

Gabriel J. De Matteo

During his long career as an Assistant State’s Attorney, De Matteo tried hundreds of cases, including more than 40 felony jury trials. The cases ranged in seriousness and complexity from drug cases to first-degree murder. In 1997, he was promoted to a felony preliminary hearing supervisory position. In that role, De Matteo supervised other prosecutors and was responsible for the beginning stages of thousands of criminal prosecutions each year.  In 2003, De Matteo left his position and began private practice, and has since helped hundreds of clients navigate through the complexities of the justice system.


  • B.A., Bradley University
  • J.D., The John Marshall Law School


  • Chicago Bar Association
  • Cook County Bar Association
  • Illinois Bar Association

  • Northern District of Illinois Trial Bar
  • North Suburban Bar Association
  • Northwest Suburban Bar Association

If you think you need an attorney, contact us today!

Second District Courthouse, Skokie, Il

Disclaimer: The information on this site is for general information purposes only. No information should be considered legal advice for any individual case or situation.