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Thomas J. Hyland understands that people want an attorney who will protect their rights, maintain communication, and ultimately get the job done. That is why Tom Hyland holds the virtues of loyalty, honesty, and hard-work as the cornerstones of his practice. Through preparation, research, and zealous advocacy, Tom Hyland does whatever is necessary to ensure that his clients are victorious in court.

As a former prosecutor, Tom Hyland possesses extensive litigation experience and the courtroom has become a second home. Mr. Hyland’s clients rest easy knowing that he will not shy away from litigation as he is first and foremost a trial attorney.

While an Assistant State’s Attorney (ASA) for Cook County, he handled everything from felonies and misdemeanors to traffic cases and civil matters. His career in law began, while still a student at The John Marshall Law School, as a law clerk for the Gang Crimes Unit, where he obtained invaluable experience assisting the best prosecutors in Chicago on First Degree Murder cases.

Upon becoming an ASA, his first assignment was in the Criminal Appeals Division where his writing skills were honed and legal research skills sharpened. Mr. Hyland was then transferred to the Child Support Division where he gained significant experience handling Family Law cases.

He was then transferred to the Markham Courthouse where he handled felonies, misdemeanors, DUI’s, and traffic cases for several years. During that time, he handled thousands of cases, conducted countless bench trials, argued hundreds of pre-trial motions, as well as litigated several jury trials. Mr. Hyland also determined the charges for felony cases, litigated hundreds of Preliminary Hearings, and indicted hundreds of cases at the Grand Jury involving everything from First Degree Murder to Aggravated Criminal Sexual Assault to Home Invasions and more.

Since opening Hyland Law in the Summer of 2017, Thomas J. Hyland has retained over 50 clients with cases ranging from Criminal matters such as Attempt Murder, Residential Burglary, and DUI’s, to Civil matters such as Personal Injury claims, and Wrongful Death cases to Divorce and Child Custody.


Thomas J. Hyland holds a deep-rooted conviction that nothing is more valuable to a man than his reputation. As such, Hyland Law Ltd.’s philosophy is built upon the values of honesty, loyalty, integrity and commitment. At Hyland Law, a phone call is never ignored nor a question unanswered. Every client is treated like family and every case is approached with the mindset and determination to win.


As a skilled former prosecutor, Thomas Hyland brings a unique perspective to every case he defends. Mr. Hyland has the ability to examine a case from the eyes of the prosecution. Tom can quickly identify holes in a police investigation, expose inconsistencies in arrest reports, highlight violations of the Constitutional Rights of the accused, and predict the manner in which the State will proceed. This culminates in Hyland Law, Ltd. forming the most effective defense for their clients.

Experience You Can Trust

Count on a Former Cook County Prosecutor with years of experience handling DUI’s, Misdemeanors, and Felonies. Fight the system with someone who knows the system.