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John J. Tiemessen

John J. Tiemessen

Practice areas:

Litigation, Medical Malpractice, Licensing, Defective and Dangerous Products

Client reviews

Not yet reviewed

Practice Areas

Licensed since 1991

  1. Litigation: 50%
    24 years, 1.25 thousand cases
  2. Medical Malpractice: 30%
    24 years, 500 cases
  3. Defective and Dangerous Products: 10%
    21 years, 50 cases
  4. Licensing: 10%
    24 years, 200 cases

Attorney Endorsements

2 total 

  • John M O'Brien

    An extremely talented and well respected attorney in the legal community, I wholeheartedly recommend him to anyone looking for a lawyer who knows the law and truly cares about protecting the rights of his clients and getting them the most favorable result possible.


    John O'Brien Personal Injury Attorney
    Relationship: Fellow lawyer in community

  • Christian K. Lassen II

    Top-notch attorney. Highly respected in the legal community.


    Christian Lassen Wrongful Death Attorney
    Relationship: Fellow lawyer in community

Contact Info

Clapp, Peterson, Tiemessen, Thorsness, Johnson, LLC

711 H St.
Suite 620
Anchorage, AK, 99501

Clapp, Peterson, Tiemessen, Thorsness, Johnson, LLC

411 Fourth Ave.
Suite 300
Fairbanks, AK, 99701





Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers

Work Experience

TitleCompany NameDuration
Managing MemberClapp, Peterson, Tiemessen Thorsness & Johnson, LLC1996 - Present
AssociateHughes, Thorsness, Gantz, Powell & Brundin1991 - 1996


Association NamePosition NameDuration
Association of Defense Trial AttorneysMember2013 - Present
Defense Research InstituteMember1995 - Present
College RotaryPast President1994 - Present
Alaska Bar AssociationFormer Board of GovernorsN/A
Tanana Valley Bar AssociationFormer Board of GovernorsN/A


School NameMajorDegreeGraduated
Willamette University College of LawLawJD - Juris Doctor1991
Arizona State UniversityPolitical ScienceBS - Bachelor of Science1987