when you're in need of a criminal law attorney, Dischley Law, PLLC will fight for you!

About The Firm


David J. Dischley is an Award-Winning Criminal Defense Attorney who was profiled by The NY Times. He has over 10 years of experience as a Northern Virginia Criminal Defense lawyer. Attorney Dischley is a graduate of the Antonin Scalia School of Law.  He has served as a prosecutor in two Northern Virginia jurisdictions, worked on counternarcotics and anti-money laundering issues with the Intelligence Community, and worked as a Uniformed Officer with the Department of State, Bureau of Diplomatic Security.  Additionally, Attorney Dischley served in the United States Marine Corps.

Sean A. Sherlock is a graduate of American University’s Washington College of Law. He joined Dischley Law after spending 5 years as a prosecutor in the City of Alexandria. Sean specializes in Juvenile, Family Abuse, and serious felony cases throughout Northern Virginia.

Patrick T. O’Brien is a legal powerhouse in Northern Virginia and brings 10 years of prosecutorial experience to the table. Attorney O’Brien served as a prosecutor in Lynchburg and Alexandria. This experience gives him a wide breadth of understanding of Courts throughout Virginia. A former white-collar prosecutor and drug prosecutor who has keen insight on the inner workings of the Police which he leverages to help his clients charged with Criminal Offenses.


Nicole Purvis Dischley Law, PLLC

Nicole C. Purvis
Director of Operations

Former 911 Dispatcher & background investigator.



Alexandria Office
108 N. Alfred Street
Alexandria, Virginia 22314

Manassas Office
9255 Center Street, Suite 300B Manassas, Virginia 20110
Fairfax Office
10509 Judicial Drive, Suite 102A Fairfax, VA 22030