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Your Trusted Legal Partner in North Charleston, SC
At Duffy Law Firm, we are committed to providing accessible, client-focused legal representation across South Carolina. With extensive trial experience in state and federal courts, our practice spans personal injury, criminal defense, family law, maritime law, probate, workers' compensation, immigration, and complex civil litigation. Our founder, John Duffy III, brings deep local knowledge and fluency in Spanish to serve diverse client needs.

We prioritize resolving cases efficiently while maintaining a strong advocacy presence in Charleston, Berkeley, and Dorchester County courts. Our community roots and membership in professional organizations like the South Carolina Association of Criminal Defense Lawyers underscore our dedication to legal excellence and client satisfaction.
Services
Criminal Defense Family Law Personal Injury Probate Workers Compensation Maritime Law Immigration Complex Civil Litigation DUI Defense Wills & Trusts
Highlights and features
  • We have extensive trial experience in South Carolina state and federal courts
  • Our practice handles diverse legal matters from DUI defense to complex litigation
  • Attorney John Duffy III is fluent in Spanish for better client communication
  • We maintain deep ties to the Charleston legal community and local courts
  • Our founder previously served as a municipal court associate judge
Services
Criminal Defense
We represent clients in state and federal criminal matters including DUI citations, drug offenses, and domestic violence cases. Our extensive trial experience in Charleston-area courts helps protect your rights through aggressive defense strategies tailored to your specific charges and circumstances.
Family Law
Our firm handles complex family law matters including divorce proceedings, child custody disputes, and property division. We provide compassionate guidance through emotionally challenging situations while advocating for fair outcomes in Charleston County Family Court and surrounding jurisdictions.
Personal Injury
We assist clients with injury claims from auto accidents, medical malpractice, and slip-and-fall incidents. Our approach focuses on securing fair compensation for medical expenses and lost wages while you concentrate on recovery through skilled negotiation and litigation when necessary.
Probate
We guide clients through estate administration and probate processes following a loved one's death. Our services include will validation, asset distribution, and handling intestate estates with attention to legal requirements and family needs across South Carolina jurisdictions.
Workers Compensation
We advocate for injured workers seeking medical care and financial compensation. Our experience with South Carolina workers' compensation laws ensures proper claim filing and representation in disputes over workplace injury benefits and employer obligations.
People
John Duffy III
Attorney
John Duffy III, a Charleston native and Furman University graduate, brings diverse legal expertise to Duffy Law Firm. With experience in criminal defense, family law, and civil litigation, he serves as a former municipal court judge and maintains active bar admissions in South Carolina state courts and federal district courts.
Questions
What types of cases does Duffy Law Firm handle?
We handle criminal defense, family law, personal injury, probate, workers' compensation, immigration, maritime law, and complex civil litigation cases throughout South Carolina.
How do I schedule a consultation?
Contact us at (843) 225-9287 during business hours Monday-Friday 9AM-5PM or complete our online contact form for a prompt response.
Does the firm have trial experience?
Yes, we have substantial trial experience in South Carolina state and federal courts, including jury trials in Charleston, Berkeley, and Dorchester Counties.
Do you handle out-of-state legal matters?
While our practice focuses on South Carolina cases, we can assist with federal matters and provide guidance on out-of-state legal issues through appropriate referrals.
Can I get legal help in Spanish?
Yes, Attorney John Duffy III is fluent in Spanish and provides legal services to Spanish-speaking clients across our practice areas.
What makes Duffy Law Firm different?
Our combination of local court knowledge, diverse legal expertise, and personalized service distinguishes us in handling both common and complex legal challenges.
Reviews (4)
John Jellison
Jan 19, 2025 Report
Mr. Duffy save me a ton litigation with a DWI got a fine, but it never shows on your record as a dwi in terms of 1st offense. This is your first call Thank you John Duffy
Emily Long
Jan 02, 2024 Report
John Duffy and his team were a beacon of hope to me at a time when my options appeared to be limited and the likelihood of an acceptable resolution seemed impossible. John and his paralegal, Jodie, were extremely knowledgeable, communicated all options regarding my case, were quick to respond to emails, and were patient while listening to all my concerns. Not only did he defend me from an unjust accusation, his calm and empathetic demeanor offered emotional comfort to me when I felt all was lost. Johns legal representation has restored my faith in the judicial system, and I am eternally grateful for his service. I recommend Mr. Duffy and his team without any reservation or hesitation to anyone facing a legal challenge
Jennifer Snider
Nov 23, 2023 Report
He's a legal ninja and great to have on your side. Thanks so much John for helping us when we really needed it.
S. Kingsley
Nov 14, 2023 Report
By far one of the best attorneys in South Carolina. Do not be led astray by any review about the Duffy Law Firm that states anything other than polite, professional, HARD working, dependable, honest, I could continue for the entire day! Mr. Duffy is diligent and refuses to allow his clients to be taken advantage of regardless of the situation at hand by providing the utmost professional representation.

His office works tirelessly for his clients. He is a straightforward no-nonsense attorney. His work standards were far above what was expected of him and his office. His composure, work ethic and court presentations are admirable. If you are seeking excellent responsiveness, analytical skills, research, speaking and listening skills, as well as an attorney of whom has a passion for his work, then I assure you that you do not need to look any further than The Duffy Law Firm.