Serving The Design and Construction Community


Jon Larson has been practicing law since 1989. Since joining the firm in 1999, Jon has represented individuals and businesses in a variety of civil litigation matters, with particular emphasis on representing design professionals in construction defect litigation and working on matters related to the construction industry. Jon represents clients throughout the Northwest in federal and state courts, and in private mediations and arbitrations. His practice involves a variety of matters, including complex litigation, with multi-million dollar claims. Representative construction defect matters include claims for water intrusion at multifamily developments, improper structural design in residential and commercial projects, including roadways and bridges. Further, Jon’s practice includes contract drafting and negotiations, product liability, estate planning, and business law matters for the firm's architecture and design clients.

Jon Larson is also an active participant in the Portland community. He is frequently called upon to share his expertise with attorneys and other professionals, and has presented continuing education seminars on numerous areas of law pertaining to the design and construction industry. Jon is also a member of the Legislative Committee of the American Council of Engineering Companies (Oregon) and assists in analyzing and drafting bills as well as advocating in the State legislature for the design community.


  • B.A., St. John's University, 1986
  • J.D., University of Minnesota Law School, 1989


  • Arizona, 1989
  • Oregon, 1999
  • U.S. District Court, District of Arizona, 1989
  • U.S. District Court, District of Oregon, 1999
  • Washington, 2003


  • Multnomah County Bar Association
  • Washington State Bar Association
  • Oregon State Bar (Member, Construction Law Section)
  • American Bar Association
  • Arizona State Bar
  • American Council of Engineering Companies of Oregon (Member, Legislative Subcommittee)