Matthew T. Murphy


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Matt Murphy is an experienced litigator who represents clients in a variety of industries, including financial institutions, pharmaceutical companies, insurance carriers, and health insurers. Matt focuses his practice on governmental investigations that require creative problem solving, from a business-oriented lawyer and strategic counselor.  He also has extensive experience in complex civil litigation in federal and state courts throughout the nation.  Before joining O’Melveny, Matt served as an Assistant District Attorney in the Manhattan District Attorney’s Office.

Honors & Awards

  • Recipient, Warren Christopher Values Award for exemplifying O’Melveny’s values of uncompromising excellence, distinctive leadership, and superior citizenship (2020)
  • Litigation Co-Chair, OMM Summer Associate Program (2017-2020)
  • Recipient, Sanctuary For Families’ “Above & Beyond Pro Bono Achievement” Award (2019)
  • Member, OMM Employment Committee
  • Member, OMM Pro Bono Committee


Bar Admissions

  • New Jersey
  • New York

Court Admissions

  • US District Court, Eastern and Southern Districts of New York


  • Boston College Law School, J.D.
  • Boston College, B.A., English 

Professional Activities


  • “Work-Related Text Messages: An Invitation to Government Review,” Corporate Counsel (April 1, 2020)
  • From Chancery Court to Federal Court: The Obstacles To A Post-Trulia Migration, The Review of Securities & Commodities Regulation, Vol. 50, No. 4 (2017)

Pro Bono

  • Matt maintains an active pro bono practice, where he focuses largely on representing children and victims of violent crimes.  He has partnered with organizations including Kids in Need of Defense (KIND), Legal Services for New York City, and Sanctuary for Families.

White Collar Investigations and Defense

  • Representing financial institutions and individuals in connection with investigations conducted by criminal and regulatory authorities, including: U.S. Department of Justice, Securities and Exchange Commission, Commodities Futures Trading Commission, Financial Industry Regulatory Authority, State Attorneys General, and District Attorneys’ Offices
  • Representing individuals in connection with alleged violations of securities laws
  • Representing major health insurance company in an investigation regarding billing and reimbursement practices and procedures
  • Representing private equity firm in international bid-rigging antitrust investigation of a portfolio company
  • Representing former bond trader in connection with an investigation concerning alleged price misrepresentations to counterparties
  • Representing former senior AML manager in connection with anti-money laundering investigation into financial institution
  • Representing private equity firm in connection with congressional and criminal investigations
  • Representing publically traded company in connection with internal investigation of lobbying practices
  • Representing trading desk supervisor in connection with investigation into interest rates swaps transactions
  • Representing former board member of publically traded pharmaceutical company in SEC investigation regarding proposed merger
  • Representing individual in connection with investigation into alleged bond “parking” practices
  • Representing financial institution in connection with Foreign Corrupt Practices Act investigation
  • Representing a college in an investigation of off-the-book payments to employees and expense fraud

Securities and Commercial Litigation

  • Representing leading pharmaceutical company in nationwide litigation against state and local governments
  • Representing former board members in merger-related litigation in Delaware Chancery Court
  • Representing sports and entertainment consulting company in matters related to franchise relocations and contract disputes in federal court
  • Representing clean energy developer and operator in breach of contract litigation in Delaware Chancery Court
  • Representing a major mining company in connection with federal antitrust lawsuit
  • Representing investment bank and brokerage firm in connection with alleged FINRA violations
  • Representing a film equipment manufacturer in a dispute arising from an Intercreditor Agreement
  • Representing a global financial institution in number of contract disputes