FacultyFaculty/Author Profile

Daniel P. Shanahan

Williams & Connolly LLP

Washington, DC, USA


Dan Shanahan focuses on complex civil and criminal litigation. He has successfully represented clients in trial and appellate courtrooms throughout the United States. Mr. Shanahan’s practice spans a wide range of substantive areas, including patent litigation, legal malpractice defense, criminal defense, government contracts, false claims, FCRA, commercial litigation, ERISA, tort litigation, class actions, securities litigation, and administrative law. He has defended corporate and individual clients in complicated criminal and civil investigations, and spearheaded an internal investigation for a large corporation.

Prior to joining the firm, Mr. Shanahan served thirteen years on active duty in the United States Navy, including serving as the Communications Officer on an Aegis Cruiser and later as a judge advocate. As a judge advocate, Mr. Shanahan gained considerable trial experience trying cases ranging from theft to capital double murder. He also served as a civil litigation attorney with the Navy’s General Litigation Division, where he represented the Navy in federal courts in a wide range of civil matters including a large class action alleging violations of the First Amendment.

Mr. Shanahan is the former Chair of the firm's Hiring Committee.

Practice Focus

Administrative Law

Civil Litigation and Trial Practice Class Action

Commercial Litigation

Criminal Defense and Government Investigations

False Claims Act and Qui Tam Federal Programs and Government

Contracts Lawyer Liability Patent Litigation

Education

Georgetown University Law Center, J.D.,
magna cum laude, 1999: Order of the Coif; Criminal Procedure Project Primary Editor, Georgetown Law Journal; Winner, Sutherland Cup Moot Court Competition

University of Virginia, B.A., 1992

Admissions

District of Columbia Maryland

United States Supreme Court

United States Court of Appeals District

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