About William J. Duffy

William J. Duffy V is a leading criminal defense attorney in Orange County, California, with a strong focus on DUI defense and domestic violence cases. As a former Certified Law Clerk for the Los Angeles County District Attorney, Mr. Duffy brings unique insight into how prosecutors handle criminal charges, giving his clients a strategic advantage.

As the managing partner of Duffy Law’s Irvine office, Mr. Duffy leverages extensive trial experience gained both locally and with other top Southern California law firms. He is dedicated exclusively to defending those facing criminal allegations in Orange County, handling every stage — from investigations and pre-trial motions to courtroom litigation.

Clients trust Bill Duffy for his aggressive defense strategies, deep knowledge of California criminal law, and personal commitment to achieving favorable outcomes for DUI, domestic violence, and all other criminal cases. If you’re looking for a skilled Orange County criminal defense lawyer who understands your individual situation and fights to protect your rights, contact William J. Duffy V at Duffy Law to get the experienced legal representation you deserve.

 

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Services

Areas of Law

  • Criminal Law 1
    • DUI/DWI
  • Litigation
  • Domestic Violence

Practice Details

Experience

  • Bar Admission & Memberships
    Admissions
    2007, California
  • Education & Certifications
    Law School
    Western State College of Law
    Class of 2005
    J.D.
    Other Education
    University of Montana
    Communications

Contact William J. Duffy

Member at Duffy Law, PC
4.8
34 reviews

100 Spectrum Center Drive, Suite 900Irvine, CA 92618U.S.A.

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Office Hours:
  • Monday 01:00 PM - 05:00 PM
  • Tuesday 01:00 PM - 05:00 PM
  • Wednesday 01:00 PM - 05:00 PM
  • Thursday 01:00 PM - 05:00 PM
  • Friday 01:00 PM - 05:00 PM
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Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    William J. Duffy was admitted in 2007 to the State of California.
  • How many attorneys are in this law firm?
    Duffy Law, PC has 2 attorneys at this location.
  • What law school did this attorney attend?
    William J. Duffy attended Western State College of Law.