About Us Duff & Kronfeld, P.C. is dedicated to providing the highest quality legal representation to clients in Fairfax and northern Virginia in matters of civil litigation, criminal law and traffic law. On the civil litigation side, the firm's major areas of focus include family law and divorce, legal malpractice claims, and personal injury lawsuits resulting from motor vehicle accidents, property owner negligence, and intentional torts such as assault and battery or defamation. In criminal law and traffic matters, the firm offers professional and effective representation to individuals facing felony and misdemeanor charges, including DUI, and to individuals charged with serious traffic offenses such as reckless driving.