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General Practice Attorney

Enduring Values

Aggressive representation for all your legal needs. From Personal Injury to Criminal Defense to Family Law, a General Practice Attorney at the Duffy Law Firm can help.

About Us

The Duffy Law Firm is committed to being accessible to our clients and resolving cases fairly and quickly. We have substantial trial experience in a variety of areas and have spent extensive time in South Carolina courts. This experience as a General Practice Attorney allows the Duffy Law Firm to help a wide range of legal issues you may be faced with. John Duffy III has also recently contributed to the South Carolina Implied Consent Handbook.


South Carolina Code of Laws

The South Carolina Legislative Council is offering access to the 1976 South Carolina Code of Laws on the Internet as a service to the public.

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United States District Court for South Carolina

This web site may contain hypertext links to information created and maintained by other public and private organizations. These links are provided for the user's convenience.

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Federal Sentencing Law and Policy

I received an email yesterday alerting me to exciting news that "The Intercept has published "The Condemned,” an investigative series by award-winning reporters Liliana Segura and Jordan Smith...

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US Federal Sentencing Commission/Guidelines

The U.S. Sentencing Commission, a bipartisan, independent agency located in the judicial branch of government, was created by Congress in 1984 to reduce sentencing disparities...

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Legal Practice Areas

Criminal Defense

The Duffy Law Firm is able to represent clients in all state and federal courts in SC. We’ve helped with DUI Citations, Drug Offenses, and Domestic Violence. If you need a Criminal Defense Attorney in North Charleston, SC, we can help.

Family Law

At your service every single day. The Duffy Law Firm has the ability to navigate the emotional nature of Family Law. If you find yourself in need of a Family Law attorney,  reach out to John Duffy and his firm to examine your options.

Personal Injury

Have you been injured due to no fault of your own? Duffy Law Firm has assisted clients after Auto Accidents, Medical Malpractice, and Slip-and-Fall injuries, just to name a few. Our firm will fight to make sure your needs are met while you focus on recovering.

Maritime Law

Maritime Law covers enforcement of laws on domestic and international waters. Injured on the water? Trust the Duffy Law Firm. We’ve assisted clients suffering from anything including boating accidents to oil rig injuries in Charleston, SC.


Handling a loved one’s estate after death can be troublesome. Let the Duffy Law Firm help you through it. We will work with you and advocate for your loved one’s estate distribution whether they had a will or not.

Workers Compensation

Get the medical care and compensation you deserve for your workplace injury. It’s tough being injured and unable to work. The Duffy Law Firm can assist you in getting the compensation you need.


From naturalization and citizenship to deportation, Special Immigrant Juvenile Status (SIJ), asylum, and other legal precedents, The Duffy Law Firm can assist you with your rights and obligations to enter and to remain in the United States.

Complex Civil Litigation

Sometimes, litigation can involve large amounts of money, exceptionally lengthy trials, or significantly complex legal issues. John Duffy III at The Duffy Law Firm can help in any civil litigation that may get complicated.

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