Matthew Carvalho

Matt Carvalho specializes in business litigation and government/internal investigations.  He has represented individual and corporate clients in a wide variety of subject matter areas, with an emphasis in securities and corporate governance issues, complex contract disputes, and employment litigation.  Matt has represented clients before state and federal trial courts, mediators and arbitrators, and administrative tribunals.  In addition, he has substantial experience in appellate matters, having argued before the United States Court of Appeals for the Ninth Circuit, the Washington Supreme Court, and the Washington Court of Appeals.

Matt’s recent clients and matters have included:

  • Federal Home Loan Bank of Seattle in litigation against eleven investment banks over residential mortgage backed securities.
  • CEO of a publicly-traded Idaho company in federal securities class action, SEC investigation, and related litigation.
  • Senior corporate officer in federal and state securities litigation arising out of the bankruptcy of a major financial services firm.
  • Hospital systems in contract disputes with insurance companies.
  • Private equity firms and private equity professionals in arbitration and state court litigation over profit-sharing agreements.
  • Directors and officers in shareholder derivative litigation in the state courts of Washington, California, and Delaware.
  • National accounting firms in federal securities litigation and accounting malpractice actions.
  • Public and private companies in government and internal investigations involving allegations of securities fraud, government contracting fraud, insider trading, accounting improprieties, stock option backdating, false advertising, employee misconduct, and other matters.
  • Individual clients in civil litigation involving claims of defamation, breach of contract, civil conspiracy, and breach of fiduciary duty.

Matt has been recognized as a “Super Lawyer” (2013-2015) and a “Rising Star” (2006-2012) in Washington Law & Politics Magazine and is the author of Washington Contract Litigation (Lexis-Nexis Guide), Chapter 10: Establishing Breach of Duty of Good Faith and Fair Dealing; “Secondary Liability Under Section 10(b) of the Securities Exchange Act: Where Things Stand,” Wall Street Lawyer (June 2006), and a co-author of “Choice Of Law Analysis May Stem Class Actions,” National Law Journal (September 16, 2002).

Matt serves on the Board of Trustees for the Henry Art Gallery and is a past Board member of Richard Hugo House (Seattle’s literary arts center) and the GLBT Bar Association of Washington.


Columbia University School of Law, J.D., 1997

Brown University, A.B., 1994

Professional Experience

Yarmuth Wilsdon PLLC, 2008-present

Heller Ehrman LLP, 2000-2008

Law Clerk, The Honorable Robert S. Lasnik, U.S. District Court, Western District of Washington, 1999-2000

Gibson, Dunn & Crutcher LLP, 1997-1999

Bar Admissions

Washington State


District of Columbia