Justin J. Duffy


Justin J. Duffy

Attorney Photo Justin DuffyLocation:
Bloomington, Minnesota
Email: Email Me




Justin J. Duffy is an attorney with The Law Office of John J. Leunig who handles all state and federal criminal charges from misdemeanors to felonies. Mr. Duffy is a zealous advocate who takes pride in aggressively defending the rights of those who have been accused of crimes. He firmly believes in a person’s right to be presumed innocent until proven guilty beyond a reasonable doubt and fights passionately to achieve the best possible result for all of his clients, regardless of the nature of the charge or subject matter.

Mr. Duffy is a skilled trial lawyer whose vigorous and unyielding advocacy on behalf of the firm’s clients has resulted in victories at trial, dismissal of charges, reduction of charges and favorable negotiated settlements. He has successfully obtained not guilty verdicts at trial, thereby avoiding a criminal conviction and preventing his client from having to suffer any criminal consequences. He has employed inventive arguments and creative defenses that have led to the complete dismissal of serious felony matters and the reversal of convictions on appeal.

He has achieved expungements for numerous clients, thereby sealing their criminal record and allowing them to move on with their lives unhindered by past mistakes. He has also assisted clients with the restoration of firearms rights, and overcoming the denial of applications for permits to purchase a firearm and permits to carry a firearm.

Mr. Duffy received his Juris Doctor, magna cum laude, from William Mitchell College of Law in St. Paul, Minnesota. Since joining The Law Office of John J. Leunig as an attorney, he has worked on a wide array of cases including:

As well as serious felonies such as:


With the nearly limitless resources the state has at its disposal in prosecuting a defendant, it is imperative that you have an experienced, aggressive and trusted trial attorney like those at The Law Office of John J. Leunig in your corner to protect your rights and your future, and to defend against the state’s accusations. Call the firm 24/7 for a free consultation.


Areas Of Practice

  • Criminal Defense
  • Criminal Appeals
  • Driving While Intoxicated
  • Criminal Vehicular Operation/Homicide
  • Expungements
  • Firearm Rights
  • Theft
  • Assault
  • Sex Crimes
  • Homicide
  • Embezzlement
  • Fraud
  • Murder
  • Internet Crimes
  • Prostitution
  • Restoration of Firearms Rights
  • Appeal Permit to Carry/Purchase Denials

Bar Admissions

  • Minnesota
  • U.S. District Court District of Minnesota


  • William Mitchell College of Law, St. Paul, Minnesota
    • Juris Doctor
    • Honors: Magna Cum Laude
  • Minnesota State University- Mankato, Mankato, Minnesota
    • B.S., Bachelor of Science
    • Honors: Summa Cum Laude

Professional Associations And Memberships

  • Minnesota Association of Criminal Defense Lawyers
  • Minnesota State Bar Association
  • Hennepin County Bar Association
  • National Association of Criminal Defense Lawyers

For a free consultation, please call our Minneapolis-area office at 952-540-6800.
You can complete the online contact form if you prefer.

The Law Office of John J. Leunig

The Wells Fargo Plaza
7900 Xerxes Avenue South Suite 815
Bloomington, MN 55431

Phone: 952-540-6800
Bloomington Law Office Map
John Leunig - Minneapolis area criminal defense attorney
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