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Matthew C. Sullivan

Senior Associate
Philadelphia

Matthew C. Sullivan

Matthew Sullivan draws on years of experience in private practice and government service, representing firm clients facing government investigations and civil litigation.

In private practice, Matthew has represented companies, universities, and individuals in connection with government investigations and complex civil litigation. He has extensive experience with False Claims Act litigation, including in cases involving pharmaceutical and medical device companies. Matthew's experience also includes matters involving the Foreign Corrupt Practices Act and U.S. export control and sanctions laws. He has conducted numerous internal investigations, including on behalf of clients subject to deferred prosecution agreements and corporate monitorships. Further, Matthew has represented multiple individuals in U.S. Department of Justice investigations of large financial institutions.

A former Assistant United States Attorney for the District of Maryland, Matthew has prosecuted dozens of cases, at the investigation, trial, and appellate stages. He served as the lead prosecutor in multiple federal wiretap investigations, conducted lengthy grand jury investigations, and has prosecuted cases involving large narcotics conspiracies, robberies, firearms offenses, money laundering, and fraud.

Matthew served as a judicial law clerk for the Honorable Ellen L. Hollander of the U.S. District Court for the District of Maryland. Earlier in his career, he also served in the Criminal Appeals Division of the Maryland Office of the Attorney General.

Education and admissions

Education

  • J.D., Harvard Law School, 2009
  • A.B., Harvard University, 2006

Bar admissions and qualifications

  • Pennsylvania
  • District of Columbia
  • Maryland
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