Gregg Barton, a partner in the firm’s Business practice, has 25 years of experience focusing on state and local taxes principally in Washington (including Seattle, Bellevue and Tacoma matters), Oregon and Alaska. His experience includes advising clients with respect to gross receipt, sales and use, net income, ad valorem, real estate excise and public utility taxes, seeking private rulings, handling administrative appeals and litigating in state courts.
Gregg D. Barton
Awarded Practice Areas
Litigation and Controversy - Tax Tax Law
Awarded Practice Areas
Litigation and Controversy - Tax Tax Law
Biography
Locations
Education
- University of Oregon, J.D., graduated 1985
- University of Washington, graduated 1982
Bar Admissions
Affiliations
- American Bar Association - Member
- Association of Washington Business, Tax & Fiscal Policy Committee - Member
- Oregon State Bar Association - Member
- Washington State Bar Association - Member
Client Testimonials
Awards & Focus

Named "Lawyer of the Year" by Best Lawyers® for:
- Litigation and Controversy - Tax, Seattle (2024)
- Litigation and Controversy - Tax, Seattle (2019)
- Litigation and Controversy - Tax, Seattle (2017)
- Litigation and Controversy - Tax, Seattle (2015)
Recognized in The Best Lawyers in America® 2026 for work in:
- Litigation and Controversy - Tax
- Tax Law
Special Focus:
- State and Local Tax
Awards:
- Peer Review Rated AV Preeminent in Martindale-Hubbell
- Recipient of the Association of Washington Business's "Heavy Lifter Award," 2013
- Listed in Washington Law & Politics, “Washington’s Super Lawyers,” 2008 - present
- American College of Tax Counsel, Fellow
- American College of Tax Counsel, Fellow
Case History
Cases
- Other Court Admissions
- U.S. Supreme Court
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