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David S. Matheson

Listed in Best Lawyers since 2012

Perkins Coie LLP

David Matheson, a partner in the firm’s Business practice, brings value to clients by providing strategic and practical advice.  He has more than 20 years of experience in counseling on corporate governance matters, raising capital through public and private equity and debt offerings, and acquiring and disposing of businesses and assets. David advises domestic and foreign public companies — including controlled companies and master limited partnerships — on their SEC and securities exchange reporting obligations, and assists boards of directors and management in fulfilling their fiduciary duties. Industries in which David's clients are involved include transportation, manufacturing, technology, retail and energy.

Representative of David's experience is his leadership of three IPOs and co-leading one IPO filing since 2005.  He has assisted clients in raising billions of dollars through public offerings of common, preferred and debt securities, shelf offerings, PIPE and Rule 144A transactions, and private placements.  David has provided buy-side and sell-side representation for private and public companies in small and multibillion dollar mergers and stock and asset transactions, and he represents Seaspan Corporation in its containership joint venture with an affiliate of global asset manager The Carlyle Group.

Chambers USA and other legal rating services recognize David as a leading attorney in corporate, capital markets, securities and M&A matters, Chambers USA describes David as "renowned for his experience and knowledge of capital markets and public companies" and quotes a client as stating, “Unflappable under pressure, [David] cuts through to the issue and works with the client to find a solution that both sides can embrace.”


  • Listed in Legal 500 United States, "Mergers, Acquisitions and Buyouts," 2008 - 2009
  • Listed in Oregon Law & Politics, "Oregon Super Lawyers," 2006 - present
  • Peer Review Rated AV in Martindale-Hubbell
  • Ranked by Chambers USA, as “America’s Leading Business Lawyers," 2005 - present

Client Comments

  • "David is an outstanding individual of the highest ethical character. He gives his opinion even if it is not in agreement with the majority. He acted as "General Counsel" to our Board of Directors at our company for more than five years, and we valued his opinion and sought his advice on numerous corporate issues. He and Perkins Coie are extremely knowledgeable in M&A transactions and they made the process very efficient. I will definitely use David and Perkins Coie if the opportunity arises."


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1120 Northwest Couch Street, 10th Floor
Portland, OR 97209-4128
Phone: 503-727-2008
Firm Phone: 503-727-2000

Practice Areas

  • Corporate Law
  • Mergers and Acquisitions Law
  • Securities / Capital Markets Law


  • Stanford University (AB)
  • University of California, Los Angeles School of Law (J.D.)
  • University of California, Los Angeles (MBA)

Bar Admissions

  • Oregon State Bar

Organizations & Affiliations

  • Oregon State Bar Association — Member

Other Info

Languages Spoken
  • Spanish