David S. Matheson

David S. Matheson

Portland, OR recognized lawyers icon Recognized in Best Lawyers since 2012
Perkins Coie LLP

240 Best Lawyers awards

Perkins Coie LLP logo

Awarded Practice Areas

Mergers and Acquisitions Law Corporate Law Securities / Capital Markets Law Securities Regulation
*Named the "Lawyer of the Year" in this practice area in the 2026 edition in Portland, OR.

Biography

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.”

Perkins Coie LLP

240 Best Lawyers awards

Perkins Coie LLP logo

Overview

  • Spanish

  • University of California Los Angeles, J.D., graduated 1991
  • Stanford University, AB

  • Oregon, Oregon State Bar

  • Oregon State Bar Association - Member
  • Spanish
  • Oregon, Oregon State Bar
  • Oregon State Bar Association - Member
  • University of California Los Angeles, J.D., graduated 1991
  • Stanford University, AB

Client Testimonials

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.

Awards & Focus

Lawyer of the Year Badge - 2026 - Mergers and Acquisitions Law Lawyer of the Year Badge - 2023 - Corporate Law Lawyer of the Year Badge - 2023 - Securities Regulation Lawyer of the Year Badge - 2020 - Securities / Capital Markets Law Lawyer of the Year Badge - 2019 - Securities Regulation Lawyer of the Year Badge - 2018 - Corporate Law Lawyer of the Year Badge - 2016 - Securities Regulation
Named "Lawyer of the Year" by Best Lawyers® for:
  • Mergers and Acquisitions Law, Portland, OR (2026)
  • Corporate Law, Portland, OR (2023)
  • Securities Regulation, Portland, OR (2023)
  • Securities / Capital Markets Law, Portland, OR (2020)
  • Securities Regulation, Portland, OR (2019)
  • Corporate Law, Portland, OR (2018)
  • Securities Regulation, Portland, OR (2016)
Recognized in The Best Lawyers in America® 2026 for work in:
  • Corporate Law
  • Mergers and Acquisitions Law
  • Securities / Capital Markets Law
  • Securities Regulation
Additional Areas of Practice:
  • Mining Law
Awards:
  • Peer Review Rated AV in Martindale-Hubbell
  • Listed in Legal 500 United States, "Mergers, Acquisitions and Buyouts," 2008 - 2009
  • Listed in Oregon Law & Politics, "Oregon Super Lawyers," 2006 - present
  • Ranked by Chambers USA, as “America’s Leading Business Lawyers," 2005 - present

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