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Desktop Image: Tangman, Moe
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Seth "Moe" Tangman

He/Him

Associate

T 503.241.2300 Portland
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Moe Tangman strives to find his clients business-oriented solutions to resolve their corporate and complex commercial disputes. As one of a handful of Delaware licensed lawyers in Portland, Moe is in a unique position to litigate his clients' corporate governance, transactions, business tort, and contract disputes. Moe also maintains a robust class-action defense practice, with an emphasis in the data privacy and cybersecurity space.

Practice Highlights

Corporate & fiduciary litigation

Moe has substantial experience litigating cases under the Delaware General Corporation Law, and has litigated numerous high-profile corporate disputes including M&A litigation for Fortune 500 companies, stockholder derivative actions, busted-deal litigation, statutory summary proceedings, and internal investigations for special litigation committees.

Data privacy & cybersecurity

Moe also litigates matters relating to data breaches, phishing scams, or other losses of sensitive personally identifying information, as well as defending claims under federal and state statutes.

Commercial litigation

Moe has litigated and resolved numerous commercial contract, tort, and fraud cases, including class-action cases, ranging from those involving closely-held companies to large-scale cases worth hundreds of millions of dollars.

Admitted to Practice

  • Delaware, 2017
  • Oregon, 2021
  • Washington, 2022

Education

  • J.D., University of Michigan, 2017  
  • B.A., History, Portland State University, 2011

Memberships & Affiliations

    • International Association of Privacy Professionals
    • Multnomah Bar Association

Professional Recognition

    • Named "One to Watch" by Best Lawyers in Commercial Litigation, 2025

Background

    • Attorney, Slinde Nelson LLC, Portland, Ore., 2021-2022
    • Associate, 2017-2021; Summer Associate, 2016 – Potter Anderson & Corroon LLP, Wilmington, Del.
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Flag of Delaware
04.02.25
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Litigation
Delaware Enacts Sweeping Changes to the Delaware General Corporation Law Read More
Publications
08.15.24
News
2025 Edition of Best Lawyers Recognizes More Than 180 Davis Wright Tremaine Attorneys for Excellence Read More
Publications
11.27.18
Publications
"Delaware Chancery Court Balances Need for Confidential Court Filings Against Public-Access Rights," American Bar Association Read More External Link
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©1996-2025 Davis Wright Tremaine LLP. ALL RIGHTS RESERVED. Attorney Advertising. Not intended as legal advice. Prior results do not guarantee a similar outcome.