In May of 2019, the Law Firm of Mertes & Mertes, P.C. achieved an all time record county verdict of over $2,000,000 in favor of one of its clients after a two-week medical negligence jury trial.              

Gary L. Spencer

Gary L. Spencer, attorney at the law firm of Mertes & Mertes, P.C.Legal Concentration

  • Criminal
  • DUI/Traffic


Experience Matters

With over 31 years of experience as the Whiteside County State’s Attorney, Attorney Gary L. Spencer offers exceptional legal experience, unmatched knowledge and tremendous courtroom talent to the clients of Mertes & Mertes, P.C.


Member of 

  • Illinois State Bar Association
  • Whiteside County Bar Association