Erwin Law Firm, Ltd. is a full service criminal defense law firm providing advice and representation to clients in the areas of:

  • Domestic Battery 

  • Drug Possession

  • Drug Delivery

  • Drug Manufacturing

  • DUI / Drunk Driving

  • Expungements

  • Internet Crimes

  • Juvenile Delinquency

  • Post-Convictions

  • Property Crimes

  • Sex Crimes

  • Theft Crimes

  • Weapons / Gun Charges 

  • Violent Crimes

  • All Felonies and Misdemeanors

Commitment to My Clients and their Families


At Erwin Law Firm, Ltd. one of the most distinguished features of the practice is my commitment to my clients and their families. I am very accessible, responsive and sensitive to your needs. As your attorney, I will be by your side throughout the duration of your legal matter. I maintain contact with many of my clients for years after their cases have been concluded.

Schedule a Free Consultation

To determine exactly how much your case will cost, schedule a free consultation with the firm. I will go over the details of your case, and provide you an estimate of how much you can expect to pay. 


Brian R. Erwin

Mr. Erwin is a highly experienced trial litigator and advisor.  Brian is known for tackling and resolving the toughest problems - whether by aggressively litigating high-stakes cases or acting as a trusted advisor behind the scenes. For over 9 years, Mr. Erwin has been representing clients as a criminal defense attorney. He has tried hundreds of cases to verdict, defending against all types of charges, with an unrivaled record of acquittals. Mr. Erwin has successfully defended clients in jury trials, bench trials, and contested evidentiary hearings. Often his work has resulted in acquittals and freedom for his clients.

Mr. Erwin is widely respected by judges, prosecutors, police officers and other counsel and through this integrity he has been able to negotiate unthinkable deals. Mr. Erwin is often the attorney people look to when they or their loved ones need help.

Mr. Erwin began his distinguished career at the Kane County State's Attorney's Office in St. Charles, Illinois. As a former prosecutor he handled all types of criminal cases. Specifically, he was assigned to specialized units, including the Drug Unit, Gang Unit, DUI and Juvenile Court. Each area requiring and learning a special training and expertise. It was in the wells of these courtrooms that Mr. Erwin was able to gain an advanced edge into the law, tactics and familiarity with the complex and legal issues abound. Mr. Erwin now uses this legal and professional background to defend his clients when they have been arrested for any type of criminal charges.

Brian graduated from the University of Tulsa with a B.A. in Finance and was a four year All-Conference and All-Academic in Track/Cross Country. He also received his J.D. from the University of Tulsa College of Law. He was admitted to the Illinois State Bar in 2007. He is a member of the Illinois State Bar Association, Kane County Bar Association, DeKalb County Bar Association, DUI Defense Lawyers Association and National Association of Criminal Defense Lawyers.

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