Patrick S. Preller

Patrick S. Preller is the managing partner of Preller Law Firm, LLC in Baltimore, Maryland, where he practices criminal defense, personal injury, medical malpractice, employment discrimination, and civil litigation. Preller represents clients facing misdemeanor and felony charges, including serious violent offenses, drug cases, DUI and traffic matters. His work also covers appeals and complex civil claims involving accidents, professional negligence, workplace discrimination, and other significant disputes.

Preller earned his J.D. cum laude from the University of Baltimore School of Law in 1998. While in law school, he served as an associate editor of the Law Review and was inducted into Phi Delta Phi. After graduation, he clerked for Judge Maurice W. Baldwin of the Circuit Court for Harford County. His academic and judicial experience provided a strong foundation in legal research, writing, procedure, and courtroom advocacy.

Before entering private practice, Preller served as an Assistant State’s Attorney in Baltimore City, where he prosecuted thousands of felony, misdemeanor, narcotics, and juvenile cases. He later practiced with Rosen and Esterson before moving into private firm leadership. As both a prosecutor and defense attorney, he has tried hundreds of criminal and civil cases. His experience spans homicide, robbery, burglary, sexual assault, controlled substance offenses, medical malpractice, product liability, wrongful death, and employment disputes.

Patrick S. Preller also serves as an adjunct professor at the University of Baltimore, teaching Constitutional Law, Fourth Amendment, and Criminal Procedure topics. His combination of prosecution experience, private defense work, civil litigation, and legal education gives him broad perspective on evidence, constitutional protections, trial strategy, and appellate issues. He helps clients navigate high-stakes criminal and civil matters with careful preparation, practical analysis, and substantial courtroom experience.

Law Office Affiliations

• Managing Partner, Preller Law Firm, LLC
• Member, Maryland State Bar Association

Licensed State

• Maryland

Education

• University of Baltimore School of Law
  Juris Doctor (JD) Honors: Cum Laude
• Frostburg State University
  Bachelor of Science

Awards & Badges