Chicago Criminal Defense Attorney

If you or a loved one has been charged with a crime, you need an experienced Chicago criminal defense attorney on your side. With over 30 years of combined experience handling all criminal matters, former prosecutor Gus Kostopoulos and his team will aggressively protect your rights.

Gus is an experienced defense attorney who has successfully litigated thousands of criminal cases. He has earned a reputation as a tough and aggressive attorney who achieves outstanding results for his clients.

For a free consultation, 24/7
Call 855-594-6529

Before becoming a criminal defense attorney, Gus served as an Assistant State’s Attorney. As a prosecutor, he rose to the position of First Chair of a courtroom, where he was in charge of a team of prosecutors and handled thousands of cases. Gus uses this experience to help his clients achieve the best possible outcome.

Gus Kostopoulos – Chicago Criminal Lawyer with 20 Years Experience

If you’ve been arrested or under investigation in Chicago, then call our law firm today to find out how we can help. We handle all criminal matters ranging from misdemeanors and DUI, to felonies like sex crimes and homicide. After an arrest, you may feel like you’ve lost control of your life. Gus has over 20 years experience providing aggressive, affordable, and knowledgeable legal representation. He can help you get your life back by protecting your rights and attacking the prosecution’s case against you.

Our Chicago office is located at 125 Wacker S Wacker Drive Suite 300 A, Chicago, IL 60606.

How a Former
Prosecutor Can Help

As a former prosecutor, Gus has unique insight into how the prosecution builds a case against you. He knows how they investigate your case, the tactics they use to pressure you into accepting a plea deal, and more importantly, what shortcuts they take. This allows him to challenge every aspect of the prosecution’s case against you.

Gus prides himself on an aggressive pre-investigation process. His goals is to minimize the charges or get them dismissed altogether. Instead of giving the prosecution time to build a case against you, Gus starts working on your case from the moment you hire him. From day one, he reviews the evidence, reaches out to the detectives investigating your case, and uses his own team of investigators to challenge any evidence collected by the prosecution.

Defense Attorney with Trial Experience

If your case must go to trial, then you need a lawyer with a proven track record of taking cases to trial and winning. Both as a former prosecutor and criminal attorney, Gus has established himself as a successful courtroom litigator who can take a case before a jury and win.

His courtroom skills serve you well in and out of the courtroom, as the prosecution is more likely to offer a favorable plea agreement if they know that you’re represented by an experienced litigator. Don’t face criminal charges on your own, find out how we can assist you so you can get back to your life.

When facing criminal charges, the quality of your legal representation will impact the outcome of your case. The defense lawyers at Kostopoulos Law Group will use their unparalleled experience to help you achieve the NOT GUILTY verdict you deserve.

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Gus Kostopoulos, Chicago Criminal Lawyer

Attorney Profile

Gus Kostopoulos is an experienced attorney who has successfully litigated thousands of criminal cases. He has earned a reputation as a tough and aggressive attorney who achieves outstanding results for his clients.

Experience you can trust

Aggressive Pre-Trial Strategy

We begin to work on your case from the moment you hire us. That includes:

Investigating the crime scene
Using our private investigators to collect evidence and interview witnesses
Reach out to the detective investigating your case
Communicate to with the prosecutor’s office to have the charges reduced or dismissed

What our clients
are saying

How Does Hiring a Top Rated Chicago Defense Attorney Help You?

After an arrest, the most important thing you can do is to hire an attorney to protect your legal rights. One of those rights include the right to remain silent. By protecting your right to remain silent, your attorney forces the prosecutor to prove their case against you. Don’t let the police and prosecution build a case against you based on your statements. Remember, you are innocent until proven guilty.

As a former prosecutor, Gus knows the evidence and experts the prosecution will use against you. You can rest assured that Gus will aggressively attack any so-called “expert” opinions the prosecution attempts to use against you.

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National Trial Lawyers

Practice Areas

Assault & Battery

Domestic Battery


Drug Crimes

Sex Crimes

Retail Theft

Theft Crimes

Weaoons Charges

White Collar Crime

Speak to a Chicago Criminal Defense Lawyer Today

We know that there are many criminal lawyers in Chicago, IL to choose from. By hiring us, you will have the peace of mind that comes with hiring an experienced attorney that will begin working for you the moment you retain us.

Don’t settle for less when your liberty, family, and life are on the line. Chicago criminal defense attorney Gus is a former prosecutor with over 18 years experience. Call him today to discuss your case. We offer a free consultation and are available anytime to take your call.

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