Duane R. Miyashiro
Awarded Practice Areas
Biography
Mr. Miyashiro focuses his practice on civil, commercial, and real estate litigation, representing and advising business owners, CEOs, Officers and Directors, and Trustees. He has almost 30 years’ experience and an accumulated wealth of expertise litigating matters involving admiralty/maritime, commercial and business disputes, real property disputes, insurance, trust disputes, products liability, class action defense, and personal injury defense. By appointment of the Hawaii Circuit Court, Mr. Miyashiro has served as an arbitrator in numerous civil cases.
Prior to practicing law, Mr. Miyashiro enforced it while serving as a patrol officer in the Honolulu Police Department.
Overview
- University of Hawaii at Manoa, BA, graduated 1989
- University of San Francisco, J.D., graduated 1995
- Hawaii, Hawaii State Bar
- United States, U.S. District Court, District of Hawaii
- United States, U.S. Court of Appeals 9th Circuit
- United States, U.S. Supreme Court
- Pacific Century Fellows - Fellow (2009)
- Hawaii State Bar Association - Member
- The 200 Club - Director
- International Association of Defense Counsel - Member
- Honolulu Police Community Foundation - Director
- Honolulu Liquor Commission - Commissioner (2017 – 2023)
- American Judicature Society - Secretary (2007 – 2018)
- Honolulu Board of Water Supply - Chair (2011 – 2016)
- U.S. Supreme Court
- U.S. Court of Appeals, 9th Circuit
- U.S. District Court of Hawaii
- Hawaii
- Hawaii, Hawaii State Bar
- United States, U.S. District Court, District of Hawaii
- United States, U.S. Court of Appeals 9th Circuit
- United States, U.S. Supreme Court
- Pacific Century Fellows - Fellow (2009)
- Hawaii State Bar Association - Member
- The 200 Club - Director
- International Association of Defense Counsel - Member
- Honolulu Police Community Foundation - Director
- Honolulu Liquor Commission - Commissioner (2017 – 2023)
- American Judicature Society - Secretary (2007 – 2018)
- Honolulu Board of Water Supply - Chair (2011 – 2016)
- University of Hawaii at Manoa, BA, graduated 1989
- University of San Francisco, J.D., graduated 1995
- U.S. Supreme Court
- U.S. Court of Appeals, 9th Circuit
- U.S. District Court of Hawaii
- Hawaii
Client Testimonials
Awards & Focus

- Mass Tort Litigation / Class Actions - Defendants, Honolulu (2026)
- Commercial Litigation
- Litigation - Real Estate
- Litigation - Trusts and Estates
- Mass Tort Litigation / Class Actions - Defendants
- Personal Injury Litigation - Defendants
- Admiralty and Maritime Law
- Mediation
News & Media
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