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David S. Matheson

Portland, OR

Trusted business attorney serving Portland.

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David S. Matheson is an attorney based in Portland, OREGON. The practice focuses on Business, M&A, and Securities.

Based in
Portland, OREGON
Experience
attorney
Known for
Business · M&A · Securities
  • Handles Business, M&A, and Securities matters from Portland, OREGON.
  • Recognized with Lawyer of the Year — Mergers and Acquisitions Law, Portland (OR) (2026).

About David S. Matheson: David S. Matheson is an attorney based in Portland, OREGON. The practice focuses on Business, M&A, and Securities.

Areas of practice

Practice focus

David S. Matheson represents clients in Portland, Oregon across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About David S. Matheson

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.”

Credentials

Education

  • University of California Los Angeles

    J.D. · 1991

  • Stanford University

Jurisdictions

Bar admissions

  • Oregon, Oregon State

    ACTIVE

Recognition

Awards & honors

  • Lawyer of the Year — Mergers and Acquisitions Law, Portland (OR)

    2026

  • Lawyer of the Year — Corporate Law, Portland (OR)

    2023

  • Lawyer of the Year — Securities Regulation, Portland (OR)

    2023

  • Lawyer of the Year — Securities / Capital Markets Law, Portland (OR)

    2020

  • Lawyer of the Year — Securities Regulation, Portland (OR)

    2019

  • Lawyer of the Year — Corporate Law, Portland (OR)

    2018

  • Lawyer of the Year — Securities Regulation, Portland (OR)

    2016

  • Best Lawyers in America — Corporate Law

    2026

  • Best Lawyers in America — Mergers and Acquisitions Law

    2026

  • Best Lawyers in America — Securities / Capital Markets Law

    2026

  • Best Lawyers in America — Securities Regulation

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Mining Law

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — Peer Review Rated AV in Martindale-Hubbell

    2026

  • Best Lawyers in America — Listed in Legal 500 United States, "Mergers, Acquisitions and Buyouts," 2008 - 2009

    2026

  • Best Lawyers in America — Listed in Oregon Law & Politics, "Oregon Super Lawyers," 2006 - present

    2026

  • Best Lawyers in America — Ranked by Chambers USA, as “America’s Leading Business Lawyers," 2005 - present

    2026

Locations

Office locations

Main office

1120 Northwest Couch Street, 10th Floor

Portland, Oregon 97209-4128

Open in Google Maps

Client feedback

Client reviews

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Frequently asked

Common questions

  • What areas of law does David S. Matheson practice?

    David S. Matheson focuses on Business, M&A, and Securities.

  • Where is David S. Matheson located?

    David S. Matheson primarily serves clients in Portland, Oregon, with an office at 1120 Northwest Couch Street, 10th Floor.

  • Is David S. Matheson a verified attorney?

    David S. Matheson's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with David S. Matheson?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 503-727-2000.