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Duncan has broad experience handling complex civil litigation matters. He has achieved outstanding results for his clients through a combination of zealous advocacy and creative problem-solving and counseling. He is well-versed in all phases of litigation, and has argued multiple cases before the Washington State Supreme Court.

Before joining Savitt Bruce & Willey, Duncan was a partner at Riddell Williams and a principal at Rafel Manville, both in Seattle. He is a cooperating attorney with the ACLU, and has represented the Fremont Sunday Market and many other clients pro bono. He is the Immediate Past President of the Board of Directors of On the Boards, a contemporary performing arts organization. Duncan is a graduate, cum laude, of the University of Chicago Law School.

When not in the office, Duncan spends as much time he can with his wife (also a lawyer) and their two lovely little girls. His other interests include cycling, hiking, and taking many, many photos, some of which are in focus.

Areas of Practice
Contracts and Commercial Litigation
Corporate Governance Disputes
Government Defense
Employment Litigation
Landslide Liability
Real Estate Litigation

Prior Professional Experience
Rafel Manville PLLC, Seattle WA, Principal, 2005-2007
Riddell Williams PS, Seattle WA, 2000-2005
Partner, 2005
Associate, 2000-2005
Sonnenschein Nath & Rosenthal LLP, Chicago IL, 1999-2000


  • Joshua Green Building, Suite 800
    1425 Fourth Avenue
    Seattle, WA 98101-2272

Bar Admissions

  • Washington, State Bar Association
  • Illinois, State Bar Association (inactive)


  • American Civil Liberties Union of Washington - Cooperating Attorney, 2001-present
  • American Civil Liberties Union of Washington - Member of Legal Committee, 2009-2016
  • Federal Bar Association of the Western District of Washington - Co-Chair, Website/Communications Committee, 2002-2008
  • Federal Bar Association of the Western District of Washington - Editor, FBA-WDWA News, 2001-2008
  • On the Boards, Seattle, WA - Member of Board of Directors, 2004-present
  • On the Boards, Seattle, WA - Past President and member of Executive Committee, 2011-2015
  • On the Boards, Seattle, WA - President, 2007-2011

Court Admissions

  • United States Court of Appeals, Ninth Circuit
  • United States District Court, Western District of Washington
  • United States District Court, Eastern District of Washington

Recognized in The Best Lawyers® in America 2023 for work in:

  • Commercial Litigation


  • Selected to Best Lawyers in America, 2018
  • Selected to Washington Super Lawyers, 2008-2017
  • Selected to Washington Super Lawyers Top 100 List, 2015
  • Selected to Washington Rising Stars, 2002-2008
  • AV Preeminent Rating from Martindale-Hubbell (4.9 out of possible 5.0 peer review rating)
  • 10.0 Rating on Avvo.com

Lane v. Port of Seattle, et al.

Defended King County in class action alleging that acquisition of rail corridor for use in trail system exceeded governmental authority; obtained dismissal of all claims on summary judgment.

Stilwell Value Partners v. First Financial Northwest Inc., et al.

Defended claims against inspector of elections alleging improprieties in corporate election following proxy fight; obtained summary judgement dismissing key elements of claims, and then dismissal of all claims with prejudice as part of favorable settlement involving no concessions from client.

Sound Mind & Body, Inc. v. City of Seattle, et al.

Defended operators of Fremont Sunday Market against claims alleging that market had injured neighboring businesses; obtained summary judgment dismissing all claims, and appellate order affirming summary judgment.

Olympic Tower LLC v. Avstar Seattle LLC.

Defended claims of breach of contract and waste arising out of tenant’s termination of commercial lease and its modification of premises; developed expert testimony rebutting damage claims and then obtained favorable settlement.

Bradburn v. North Central Regional Library District.

Constitutional free speech challenge to library district’s Internet filtering policy; argued case before Washington Supreme Court.

Skinner v. May.

Prosecuted claims to enforce right to convey real property obtained as part of settlement agreement; obtained summary judgment on all claims for full damages claimed plus prejudgment interest.

Crystal Mountain Inc. v. Pierce County.

Prosecuted property tax refund action regarding assessed value of ski area improvements; obtained favorable settlement reducing assessed values.

Criss v. Sandwich SC, LLC, et al.

Defended franchisee against employee claims alleging wrongful termination; developed potential counterclaims under anti-SLAPP statute and then obtained complete dismissal with prejudice of all claims.

SigmaTek v. Dixon.

Prosecuted trade secret and non-compete claims against former employee; obtained preliminary injunction following evidentiary hearing and then favorable settlement.

Hiatt v. Hanley, et al.

Defended developer in construction-defect lawsuit; obtained settlement dismissing all claims and recovery of attorneys’ fees incurred.

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