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Joseph J. Duffy

Chicago, IL

Trusted criminal defense attorney serving Chicago.

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Joseph J. Duffy is an attorney based in Chicago, ILLINOIS. The practice focuses on Criminal Defense, Litigation, and White Collar.

Based in
Chicago, ILLINOIS
Experience
attorney
Known for
Criminal Defense · Litigation · White Collar
  • Handles Criminal Defense, Litigation, and White Collar matters from Chicago, ILLINOIS.
  • Recognized with Best Lawyers in America — Bet-the-Company Litigation (2026).

About Joseph J. Duffy: Joseph J. Duffy is an attorney based in Chicago, ILLINOIS. The practice focuses on Criminal Defense, Litigation, and White Collar.

Areas of practice

Practice focus

Joseph J. Duffy represents clients in Chicago, Illinois across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Joseph J. Duffy

Joe Duffy is an accomplished and resourceful trial lawyer who focuses his national practice on white collar criminal defense and complex business litigation. He handles all aspects of federal and state criminal prosecutions through the investigative, prosecutive and appellate stages.

He has extensive experience representing individuals and corporations in internal and government investigations as well as civil and criminal jury trials and appeals. Joe has successfully represented clients in cases involving health care, antitrust, defense procurement, securities, environmental, tax and public corruption matters.

Prior to joining private practice, Joe spent nearly a decade in the United States Attorney’s Office for the Northern District of Illinois, including serving as first assistant U.S. attorney. He draws upon his experience as a federal prosecutor working on matters involving complex financial crime and public corruption. Joe is also a CPA, and he previously worked as an agent for the IRS.

Widely viewed as one of the nation’s leading white collar criminal attorneys, Joe has been consistently recognized in leading legal and trade publications and news reports. His work was featured in the book “Golden: How Rod Blagojevich Talked Himself out of the Governor’s Office and Into Prison,” by Jeff Coen, in which the author detailed Joe’s exceptional cross-examination of the government’s key witness in defense of Antoin Rezko, a fundraiser for former Illinois Gov. Blagojevich.

Credentials

Education

  • University of Illinois Chicago

    J.D. · 1979

  • DePaul University

    B.A.

Jurisdictions

Bar admissions

  • Illinois, Illionois

    ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Bet-the-Company Litigation

    2026

  • Best Lawyers in America — Criminal Defense: White-Collar

    2026

  • Best Lawyers in America — Special Focus:

    2026

  • Best Lawyers in America — Civil and Criminal

    2026

  • Best Lawyers in America — Internal Investigations

    2026

  • Best Lawyers in America — Litigation

    2026

  • Best Lawyers in America — SEC Enforcement

    2026

  • Best Lawyers in America — Tax

    2026

  • Best Lawyers in America — Tax-Evasion Defense

    2026

Locations

Office locations

Main office

321 North Clark, Suite 2300

Chicago, Illinois 60654

Open in Google Maps

Client feedback

Client reviews

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Frequently asked

Common questions

  • What areas of law does Joseph J. Duffy practice?

    Joseph J. Duffy focuses on Criminal Defense, Litigation, and White Collar.

  • Where is Joseph J. Duffy located?

    Joseph J. Duffy primarily serves clients in Chicago, Illinois, with an office at 321 North Clark, Suite 2300.

  • Is Joseph J. Duffy a verified attorney?

    Joseph J. Duffy's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Joseph J. Duffy?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 312-464-3100.