- 1
- Bar admission
Practices in
Are you David S. Matheson?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
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
Client feedback
Client reviews
No reviews yet
Only verified clients who have consulted with David S. Matheson can leave a review.
Schedule your consultationFrequently 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.
More counsel





