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About me

Paul is a Montana native who was raised in the Flathead Valley. He attended college at the University of Montana in Missoula and then travelled to the East Coat for Law School. The opportunity of attending the ivy league University of Pennsylvania School of Law was enough to keep him in Philadelphia for 3 years, but he caught the first plane home to open his own practice in his hometown of Bigfork. Two years later he joined Measure, Sampsel, Sullivan & O'Brien where he continues to practice as a partner.

Paul lives in Bigfork with his family. He is a member of the Bigfork School Board, a former board member of the Community Foundation for a Better Bigfork, CASA for Kids of Flathead County, and is currently the secretary of the Northwest Montana Bar Associaiton.


Photos and videos

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Practice areas


  1. DUI & DWI: 25%
    8 years
  2. Criminal Defense: 25%
    8 years
  3. Divorce: 25%
  4. Appeals: 25%
    8 years



Hourly ($175/hour)

Payment types:

Cash, Check, Credit card

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • David A. Lord

    Paul is a great lawyer and all-around human being. He applies a common sense, reasonable approach to meeting his clients needs and resolving conflict. His top-end legal analysis and persuasive communication skills make him and ideal appeals attorney. No one will work harder to achieve the best result.


    David Lord Family Attorney
    Relationship: Fellow lawyer in community

  • Mary-Elizabeth Marguerite Sampsel

    Every time I work with Paul I'm impressed with his hard work and advocacy for his clients. He takes the time to make sure they understand what's going on every step of the way and really involves them in their case. That, coupled with excellent legal skills makes him a lawyer I'm proud to recommend.


    Mary-Elizabeth Sampsel Litigation Attorney
    Relationship: Worked together on matter

Contact info

24 First Avenue East
Kalispell, MT, 59901


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
University ScholarUniversity of Montana2004
Work experience
TitleCompany nameDuration
PartnerMeasure, Sampsel, Sullivan & O'Brien, P.C.2010 - Present
OwnerThe Law Office of Paul Sullivan2008 - 2010
Association namePosition nameDuration
Bigfork School BoardTrustee2013 - Present
Northwest Montana Bar AssociationSecretary2012 - Present
Community Foundation for a Better BigforkBoard Member2009 - 2012
Flathead CASA for KidsPresident2008 - 2011
Legal cases
Case nameOutcome
Estate of Darlene WilcockSuccessful Mediation
See all legal cases 
Publication nameTitleDate
The Daily InterlakeKnow Your Rights on Election Day2008
School nameMajorDegreeGraduated
University of Pennsylvania Law SchoolN/AJD - Juris Doctor2008
University of Montana School of LawPhilosophyBA - Bachelor of Arts2004
Speaking engagements
Conference nameTitleDate
Strategies for Legal Research on the WebOnline Research2012