Duane C. Musfelt


  • location icon San Francisco, CA
    333 Bush Street
    Suite 1100
    San Francisco, CA 94104

Mr. Musfelt is Senior Resident Partner in the San Francisco office of Lewis Brisbois Bisgaard and serves co-chair of the Professional Liability Practice. Mr. Musfelt has nearly 40 years experience in the areas of professional liability, directors and officers coverage and litigation, commercial litigation and insurance law (coverage and bad faith defense). He is rated AV Preeminent by Martindale-Hubbell, a distinction he has held for more than 30 years.

Extensive litigation experience in professional malpractice matters, including directors and officers litigation (both corporate and non-profit) and in defending professional liability cases involving attorneys, accountants, psychologists, nurses, real estate agents, insurance agents and other professionals. He has been selected to “Super Lawyers” in the practice area of Professional Liability Defense from 2008-2013 and 2015-2018.

Has represented Homeowners Associations and individual HOA board members in numerous lawsuits involving a wide variety of claims ranging from alleged discriminatory enforcement of CC&Rs to purported negligent and intention breaches of duties in violation of California’s Davis-Stirling Act.

Coverage expertise includes advising insurers on coverage matters, presenting insurer’s affirmative actions for contractual interpretation and defending insurers in coverage/bad faith litigation.  Has served as coverage/monitoring counsel on behalf of numerous primary and excess insurers in personal injury cases, property damage cases, professional liability claims, first party life insurance and disability insurance claims, and a variety of other cases.

Commercial litigation experience encompasses representation of foreign and domestic corporations in breach of contract, misappropriation of trade secrets, unfair competition, consumer class actions, patent infringement and related business liability claims.

Litigation experience also includes defending property/casualty cases ranging from typical homeowner property damage cases to brain damage bodily injury claims.  Has defended domestic and foreign manufacturers in products liability cases.

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Bar Association of San Francisco, Chair of Insurance Practice Section, 1997

Awards & Honors

  • Award of Merit - Bar Association of San Francisco, 2001
  • Martindale-Hubbell AV Preeminent Rating (Peer Rated for Highest Level of Professional Excellence)
  • Selected for inclusion in Northern California Super Lawyers (2008-2013; 2015-2017)


University of California at Los Angeles

Juris Doctor, 1976

University of California, Berkeley

Bachelor of Arts, 1973

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