At the DUI Defense and Criminal Defense law firm of John W. Callahan, Ltd., we take pride in the fact that we treat every client as if they are our only client. The personal attention and 24 hour availability for our clients to contact us reflects our deep, personal commitment to giving our clients the best fight to beat their case.  Are you stressed about being arrested by the police or has a family member been arrested for a DUI or charged with a criminal sex crime?  Challenges that other lawyers may consider too intimidating to overcome are something we welcome.  We have overcome impossible odds before in winning felony jury trials on sex cases and we are ready to do it again; from felony sex charges to misdemeanor DUI.  Over and over again, we obtain successful results for our clients in DUI charges and criminal matters due to the hard work and attention to detail that each case requires.  It is this attention to detail that enables us to beat cases that other lawyers found unbeatable.  From the moment you meet with us about your DUI arrest, criminal drug charge or felony sex investigation, we look at the details of every report and we will subpoena records to try to minimize damage and ease your burden.

We offer free consultations so if you have been arrested or if you are being investigated for a criminal offense, call us at 1-877-335-6697 to speak with an experienced criminal defense trial attorney each of whom have between 15 - 20 years of experience handling criminal matters. You can also e-mail us us or use our contact form on this page to get a quick reply.

DUI Charge - Drug Charges - Sex Crime Investigation

If you or a family member has been charged with a crime such as driving under the influence of alcohol, a drug charge or sex investigation relating to alleged improper contact or illegal pornography, you need answers fast.  We pride ourselves on answering calls anytime during the week and on weekends as the need arises.  When you need help, call us right away!  We will talk with you about your case on the phone and the initial office consultation is free so it is important to get experienced criminal defense advice right away.

Over the course of the past 20 years, we have made a point of rising above difficult challenges and beating criminal charges for our clients. Along the way, we have gained a wide range of accolades, experiences and accomplishments, including yearly client satisfaction awards as well as numerous satisfied clients who shower us with five star reviews on an almost weekly basis.

If you are looking for a lawyer who can handle your criminal case or if you have been contacted by the police about a potential criminal investigation, John W. Callahan, Ltd. concentrates only in criminal defense and DUI charges. We don't handle personal injury and we don't handle contracts or divorce.  All our defense law team does every single day is represent clients charged with criminal matters and DUI.  Our legal defense team includes a former criminal prosecutor, which means we have firsthand insight into how the other side approaches the serious cases that we handle. John W Callahan himself has practiced exclusively criminal defense law for the past twenty years.  We know how to defend against criminal charges and we know how to negotiate the best deal for our clients.

Experienced Defense Lawyer 

Among our criminal defense lawyers, John W Callahan is a member of Mensa International who, like the rest of the team, prides himself on his ability to apply his logic and intelligence to the most complex legal challenges in order to find answers that others may not have found.  We also have Bob Stanker, a former Cook County and DuPage County prosecutor who will utilize that experience to work for your best outcome.

Schaumburg Criminal Defense - Naperville DUI Defense

Our criminal defense and DUI defense law firm is available to offer our services to people accused of crimes in Schaumburg, Chicago, Naperville, Wheaton, and the surrounding counties of Illinois including Cook, Dupage, Lake, Kane and Will counties.

If you or someone you care about has been accused of a crime and needs an aggressive and experienced defense lawyer, or if you have been arrested for a DUI, or questioned by the police for a sex offense, we encourage you to get in touch with us as soon as possible. Whether you need an attorney familiar with defense against drunk driving charges, protection from drug charges or any other criminal matter, we can help. You need to get started right away. We will utilize all of our talents and give you every opportunity to help protect your future.

Call us at 1-877-335-6697 to speak immediately with an experienced criminal defense lawyer. You can also e-mail us.