Puget Sound Probates

David T. Lyons, Attorney/CPA

Email: dlyons@dljslaw.com

David T. Lyons, Attorney /CPA, is a shareholder with the Northwest law firm of Lyons | Sullivan.  He concentrates his practice in business transactions.  He received his Bachelor of Business Administration degree from Gonzaga University in 1977; his Juris Doctorate, Cum Laude, from Gonzaga School of Law in 1979; and his Master of Science Financial Services in 1990. Mr. Lyons is a Certified Public Accountant licensed to practice public accounting in the State of Washington and an attorney admitted to practice law in the States of Washington and Alaska.

Admitted to the following courts

  • Washington State Courts
  • Alaska State Courts
  • United States Tax Court
  • United States Ninth Circuit
  •  United States District Courts in Washington and Alaska


John J. Sullivan, Attorney

 Email: jsullivan@dljslaw.com

John's AVVO rating 

John J. Sullivan is a shareholder with the Northwest law firm of Lyons | Sullivan.  


Mr. Sullivan has practiced in the areas of probate, trust and estate administration law for most of his thirty years in practice. He began his career at the Seattle and Bellevue offices of Stoel Rives. From 1992 to 1998 he served as Vice President & Tax Counsel to Bank of America for the Northwest. He brings a wealth of understanding regarding the tax issues arising in probate and estate administration, along with a practical approach to solving problems and resolving disputes.


  • Columbia University School of Law, Juris Doctor, 1984
  • Parker School of Foreign and Comparative Law, 1984
  • Columbia Journal of Transnational Law, Professional Articles and Topical Issue (Sovereign Debt) Editor
  • Golden Gate University, Graduate Program in Taxation, 1986 – 1990
  • University of Maryland, W. Germany, Bachelor of Arts, Soviet Area Studies, Magna cum Laude, 1980
  • Defense Language Institute, Monterey, California, Intensive Russian Language Course, With Honors, 1977
  • Regis High School, New York, N.Y., 1970 (Four year academic scholarship at fully endowed school.)


  • Washington State Bar Association, Real Property, Probate and Trust Section
  • Association of Washington Businesses, Tax & Fiscal Policy Committee (1995 – 1998)
  • Washington Bankers Association, Chair, Tax Committee (1993 – 1999)

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Bridgette L. Knoll, Paralegal

Email: bknoll@dljslaw.com

Bridgette has been with Lyons | Sullivan since 2012.  She assists the firm’s attorneys in matters concerning business transactions, mergers and acquisitions, succession/exit planning, estate planning, tax-exempt entities and probate and trust administration.

Bridgette has over 10 years of experience working in law firms.  She received her Paralegal Studies Certificate from the University of Washington, a post-baccalaureate program developed in partnership with the University of Washington’s School of Law and her Bachelor of Arts degree from Washington State University.