Jason W. Anderson (206) 607-4114 Assistant: Patti Saiden (206) 607-4109

Appellate Advocacy  

Jason focuses on civil appeals, which he has handled for nearly two decades in Washington’s appellate courts and the United States Court of Appeals for the Ninth Circuit.  Jason represents both public and private clients in all manner of appeals.  His appellate experience includes cases involving personal injuries, wrongful death, insurance, products liability, commercial disputes, family law, and more.  Many of his appeals have involved seven or eight-figure jury verdicts or civil penalties.  Jason has significant experience working with trial counsel before and during trial to preserve issues for appeal.

Before entering private practice, Jason served as a judicial clerk at the Washington State Court of Appeals, first for the Honorable David H. Armstrong and then for the Honorable J. Robin Hunt.

Honors and Recognitions

Rising Star, Super Lawyers, 2012, 2014, 2015, 2016



Bar and Court Admissions

  • State of Washington
  • U.S. District Court, Western District of Washington
  • U.S. Court of Appeals, Ninth Circuit
  • U.S. Supreme Court

Representative Appellate Cases

Affirmed:  Intermediate appellate decision holding that a martial-separation agreement waived the statutory right to intestate succession as a surviving spouse.  Matter of Estate of Petelle, 195 Wash.2d 661, 462 P.3d 848 (2020).

Affirmed: Summary judgment dismissing claims against developer relating to condominium declaration and awarding attorney’s fees.  Mohandessi v. Urban Venture, LLC, 13 Wn. App. 2d 681, 468 P.3d 622 (2020).

Reversed and remanded:  $81.5 million jury verdict for wrongful death from mesothelioma.  Coogan v. Borg-Warner Morse Tec, Inc., 12 Wash. App. 2d 1021, 2020 WL 824192 (2020) (unpublished).

Reversed:  Intermediate appellate decision allowing insurance-bad-faith claims against employee claims adjusters.  Keodalah v. Allstate Insurance Co., 194 Wash.2d 339 (2019).

Affirmed:  Summary judgment dismissing defamation and related claims against managed-care company.  Farzad v. Dep’t of Health–Med. Quality Assurance Comm’n, 10 Wn. App. 2d 1028, 2019 WL 4997963 (2019) (unpublished), review dismissed, 461 P.3d 1199 (2020).

Affirmed:  $7.5 million judgment on jury verdict against municipality for personal injuries from dangerous road design.  Tapken v. Spokane County, 9 Wn. App. 2d 1027, 2019 WL 24776445 (2019) (unpublished).

Affirmed:  $1.6 million sanction against a party for bad-faith litigation.  George E. Failing Co. v. Cascade Drilling, Inc., 197 Wash. App. 1019, 2016 WL 7470094 (2016) (unpublished).

Reversed and remanded:  Dismissal of personal-injury action during trial.  Tapken v. Spokane County, 192 Wash. App. 1012, 2016 WL 181566 (2016) (unpublished).

Reversed and remanded:  Judgment on jury verdict for defense in wrongful-death lawsuit.  Millican v. N.A. Degerstrom, Inc., 177 Wash. App. 881 (2013), review denied, 179 Wash.2d 1026 (2014).

Remanded for modification:  Child-support order.  Aldridge v. Aldridge, 175 Wash. App. 1017, 2013 WL 2904289 (2013) (unpublished).

Affirmed:  $1.6 million arbitration award for breach of contract and violation of the Consumer Protection Act; appellate fees awarded.  Cummings v. Budget Tank Removal & Environmental Services, 163 Wash. App. 379 (2011).

Vacated and remanded:  Marital property division.  In re Marriage of Rockwell, 156 Wash. App. 1046, 2010 WL 2670848 (2010) (unpublished).

Affirmed:  $7.5 million products-liability verdict.  Higgins v. Intex Recreation Corp., 123 Wash. App. 821 (2004).

Professional Associations

Professional Involvement

Jason is serving as the first vice chair of the Appellate Section of the King County Bar Association for 2020-21.  In November 2019, Jason moderated a panel of practitioners on “The Role of Appellate Counsel at Trial.”  In November 2018, Jason moderated a panel of practitioners on “Handling Clients on Appeal.”

Jason has participated in planning seminars for DRI’s Appellate Advocacy Committee since 2018.  At the Committee’s 2019 seminar in Chicago, Jason moderated a panel of judges and an academic on “Judicial Ethics:  Disqualification and Recusal.”  Over 200 appellate judges and practitioners attended the presentation as a joint session of the Committee and the National Foundation for Judicial Excellence (NFJE).


  • “Disqualification and Recusal of Federal Appellate Judges,” For the Defense (DRI), February 2019.
  • “Expansion of Judicial Review of Arbitration Awards,” Appellate Practice, March 2017
  • “Ten Points on Preservation of Error,” For the Defense (DRI), March 2016
  • Practice Compendium, Chapter 63: Insider’s Guide to the Washington State Appellate Courts (ABA 2012)

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David W. Bever