Jason D. Luczak

Top rated Criminal Defense attorney in Milwaukee, Wisconsin

Gimbel, Reilly, Guerin & Brown, LLP
Jason D. Luczak
Gimbel, Reilly, Guerin & Brown, LLP

Practice Areas: Criminal Defense, Appellate, White Collar Crimes; view more

Licensed in Wisconsin since: 2008

Education: Chicago-Kent College of Law, Illinois Institute of Technology

Selected to Super Lawyers: 2023 Selected to Rising Stars: 2011 - 2012, 2014 - 2022

Gimbel, Reilly, Guerin & Brown, LLP

330 East Kilbourn Avenue
Suite 1170
Milwaukee, WI 53202 Visit website


Jason D. Luczak leads the criminal and white-collar defense team at Gimbel, Reilly, Guerin & Brown, LLP in Milwaukee, Wisconsin. He represents clients in a variety of practice areas, including criminal and white-collar defense, administrative and licensing matters, and related civil litigation in the state and federal courts, throughout Wisconsin.

Luczak’s experience includes trying serious high-profile felonies and other charges in state and federal court. This also includes briefing and arguing appeals before the Wisconsin Supreme Court and the United States Court of Appeals for the Seventh Circuit. He is licensed to practice law in Wisconsin and Illinois, as well as before the U.S. District Courts in Wisconsin, the Seventh Circuit Court of Appeals and the United States Supreme Court.

Luczak is known as an experienced, creative and zealous advocate for his clients who are often-times facing the most serious of criminal accusations. Some of his most recent trial successes include winning a full acquittal in a two-week long jury trial involving allegations of stalking, strangulation, false imprisonment, battery and disorderly conduct; winning a verdict of not guilty by reason of mental disease or defect where Luczak’s client was charged with first degree intentional homicide; and winning a partial acquittal in a two-week long jury trial involving allegations of sexual abuse by a teacher.

Luczak is dedicated to ensuring future generations of lawyers know the importance of developing strong trial skills through his teaching and mentorship. In addition to his law practice, Luczak is currently an adjunct professor of law, teaching trial advocacy, at Marquette University Law School. He has also mentored many up-and-coming trial lawyers while they navigate the early stages of their careers. He is so well respected in this capacity that he was recently awarded the mentor of the year award from the State Bar of Wisconsin for his leadership and guidance of new trial lawyers. Jason is a frequent commentator on CourtTV, and speaker on numerous criminal and trial topics for the Milwaukee Bar Association and Marquette University Law School.

Luczak has been recognized and awarded for his trial achievements in other areas as well. In 2023, he was honored with the Kuchler-Nicholson-Stilling Sensitive Crimes Award by the Wisconsin Association of Criminal Defense Lawyers for his successful verdict in a felony assault trial. The Wisconsin Law Journal has recognized him several times by naming him an “Up and Coming Lawyer” and then again in 2023 for the inaugural “Legal All-Stars” distinction. BizTimes Media in Milwaukee, WI, also selected him as a “Rising Star in Law” and as a “Notable Litigator and Trial Attorney” throughout the entire Milwaukee area. Luczak is also listed as a Wisconsin Super Lawyer and a Best Lawyer.

Luczak is a graduate of Chicago-Kent College of Law, where he first discovered his love and passion for trials as a member of the school's nationally recognized trial team. When he was in Chicago, he worked on post-conviction and death penalty cases and appeals through the Law Offices of Chicago-Kent College of Law. While at Chicago-Kent, he received the CALI Award for the best grade in the class for Trial Advocacy, Legal Writing, Criminal Appellate Advocacy and International Human Rights.

Practice areas

Criminal Defense, Appellate, Criminal Defense: White Collar, General Litigation

Focus areas

Appeals, Arrest & Arraignment, Assault & Battery, Criminal Domestic Violence, Criminal Fraud, Criminal Law, Drug & Alcohol Violations, Felony, Misdemeanor, Motor Vehicle Offenses, Murder, Parole, Probation, Sex Offenses, Theft

  • 50% Criminal Defense
  • 20% Appellate
  • 20% Criminal Defense: White Collar
  • 10% General Litigation

First Admitted: 2008, Wisconsin

Professional Webpage: https://www.grgblaw.com/attorney-profiles/jason-d-luczak

Scholarly Lectures/Writings:
  • Moderator for "Milwaukee County Criminal Court Operations re: Pandemic"
  • The Rise of CBD in Wisconsin: Pitfalls and Considerations
  • "The 40th Annual Conference on Recent Developments in Criminal Law"
  • "The 41st Annual Conference on Recent Developments in Criminal Law", Speaker, "The 41st Annual Conference on Recent Developments in Criminal Law", Milwaukee Bar Association/Marquette University Law School, 2020
  • On Saturday, December 1, 2018, Marquette University Law School and the Milwaukee Bar Association will host the 39th Annual Conference on Recent Developments in Criminal Law. Join us at the Law School’s beautiful Eckstein Hall facility for this annual event, which over the course of nearly four decades has provided continuing legal education to hundreds and hundreds of lawyers., Speaker, The 39th Annual Conference on Recent Developments in Criminal Law, 2019
  • Speaker at Midwest Vegan Fest, Speaker, The Argument for Being Vegan, 2018
  • Rising Star, Wisconsin Super Lawyers, 2011- 2012, 2014 - 2020
  • Named in 2024 Best Lawyers in America, Appellate Practice, Criminal Defense: General Practice, Criminal Defense: White-Collar, 2024 Best Lawyers in America, Best Lawyers, 2024
  • , Kuchler-Nicholson-Stilling Sensitive Crimes Award, Wisconsin Association of Criminal Defense Lawyers, 2023
  • , Rising Star in Law, BizTimes Media Milwaukee, 2022
  • Legal All-Sar, Wisconsin Law Journal, 2023
  • Appeared as a commentator on Court TV, Court TV, 2019
  • Wisconsin Law Journal - Up and Coming Lawyer's, 2012
  • CALI Award (Highest Grade in Law School Class) in Trial Advocacy, Legal Writing: Criminal Appellate Advocacy, and International Human Rights, 2008
Bar/Professional Activity:
  • U.S. District Court Eastern District of Wisconsin, 2008
  • Waukesha County Bar Association, Member
  • Eastern District of Wisconsin Bar Association, Member
  • Milwaukee Bar Association, Criminal Defense CLE Committee
  • Milwaukee Bar Association, Chair, Criminal Defense Section
  • Supreme Court of the United States of America, 2011
  • U.S. Court of Appeals 7th Circuit, 2010
  • Illinois, 2009
  • U.S. District Court Western District of Wisconsin, 2008
  • President - Milwaukee Young Lawyer's Association (July 1, 2014), 2014
  • Milwaukee Bar Association, Member
  • Illinois Trial Lawyers Association
  • President-Elect - Milwaukee Young Lawyer's Association, 2013
  • State Bar of Wisconsin, Member, 2008 - Present
  • Illinois State Bar Association, Member
  • Secretary - Milwaukee Young Lawyers Association, 2011
  • Milwaukee Bar Association's Criminal Defense CLE Committee, 2018
  • Chicago Bar Association, Member
Educational Background:
  • Chicago-Kent College of Law, Illinois Institute of Technology, Chicago, Illinois J.D., 2008
  • Graduated from Ball State University, summa cum laude, with a B.A. in Television News and Political Science, 2005
  • Wisconsin Up and Coming Lawyer's Award, www.youtube.com/watch?v=gI3AanJrKoE, 2012
Other Outstanding Achievements:
  • Wisconsin Law Journal - Up and Coming Lawyer Award, 2012
  • Zealous: COVID-19 and the Criminal Justice SystemListen Now: Spotify | Apple, 2022
Pro bono/Community Service:
  • Board of Directors, Sharp Literacy, 2021
Verdicts/Settlements (Case Results):
  • The Court of Appeals sided with Mr. Harrell and determined that the Department of Corrections could not take more funds than ordered by the trial court judge.  This decision along with the Ortiz decision, where we represented another inmate pro bono, provides protections for prison inmates and does not allow the DOC to excessively tax inmates’ account.   GRGB Law is pleased that our pro bono representation of Mr. Harrell and Mr. Ortiz led to two important victories in the Court of Appeals., 2022

These comments were made by fellow attorneys during the annual nomination process.

“In only a few years, Jason has developed into a formidable trial lawyer, much of which can be attributed to his time participating in and now coaching law school trial teams.”

“Jason is honest, professional and diligent. He will be one of the state's best lawyers one day.”

“Same as documented on the above nomination.”

“Aggressive and well prepared.”

“Great general practitioner. Knowledgeable and responsive.”

Office location for Jason D. Luczak

330 East Kilbourn Avenue
Suite 1170
Milwaukee, WI 53202

Phone: 414-877-8106


1 Year Super Lawyers
11 Years Rising Stars
  • Super Lawyers: 2023
  • Rising Stars: 2011 - 2012, 2014 - 2022

Attorney resources for Jason D. Luczak

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