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About me

Personal, affordable, comprehensive. James Ostendorf serves as a senior associate at John Postl, P.C. in Boston. At John Postl, P.C we'll help you safely navigate your small business or personal legal issues -- from contracts to collections and from incorporation to inheritance. We're committed to learning about your needs and business. And we'll provide the kind of personal service you can only get from a local firm. Ready to get started? Give us a call today!



We practice in the following jurisidctions:


Massachustts (state and federal)

Vermont (federal only)

U.S. Court of Appeals for the Armed Forces

U.S. Court of Appeals for Veteran Claims.

U.S. Court of Federal Claims

Various state and federal administrative agencies


Languages spoken: English, American Sign Language, Arabic, Hebrew

Photos and videos

4571180 1402716494

Practice areas


  1. Litigation: 30%
    6 years
  2. Business: 25%
    4 years
  3. Military Law: 20%
    3 years
  4. Debt Collection: 15%
  5. Financial Services: 10%



Hourly ($250-300/hour), contingent (33-40%), Pro bono (10%)

Payment types:

Cash, Check

Attorney endorsements

14 total 

Are you an attorney? Endorse this lawyer

  • Alexander Johnson E English

    I have worked with Attorney Ostendorf both in law school and in private practice. He is a superb litigator, and a driven advocate for his clients. He brings a boundless energy to everything he works on, and is constantly on the lookout for ways to better serve those he represents.


    Alexander English Litigation Attorney
    Relationship: Co-worker

  • Robert Finlay

    I endorse this lawyer.


    Robert Finlay Divorce and separation Attorney
    Relationship: Fellow lawyer in community

Contact info

James Ostendorf, Esq.

35 Kingston Street
Second Floor
Boston, MA, 02111


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarSuperLawyers2016
Joan Loring Wing FellowshipAmerican Inns of Court2012
Board FellowVermont Law School2012
Chancellor's Teaching FellowshipUniversity of Pittsburgh2008
MSI-REU Fellowship: University of PittsburghNational Science Foundation2008
Work experience
TitleCompany nameDuration
AttorneyJohn Postl, P.C.2015 - Present
Public ArbitratorFinancial Industry Regulatory Authority2014 - Present
Volunteer AttorneySenior Partners For Justice2014 - 2014
Bar Clerkship (Judicial Extern)Vermont Supreme Court2013 - 2013
Managing PartnerNew England Law Group, P.C.2013 - 2015
Association namePosition nameDuration
Boston American Inn of CourtAttorney Member2015 - Present
JustiservAdvisory Board2014 - Present
Boston Bar Association, Volunteer Lawyers ProjectAttorney Member2014 - Present
Senior Partners for JusticeAttorney Member2014 - Present
Vermont Bar FoundationMember2014 - Present
Massachusetts Bar AssociationMember2013 - Present
Massachusetts Academy of Trial AttorneysMember2013 - Present
Jewish Communities of VermontBoard of Directors2013 - Present
Central Vermont American Inns of CourtBoard of Directors2012 - Present
Joan Loring Wing American Inn of CourtAttorney Member2011 - Present
Vermont Bar AssociationMember2010 - Present
North Branch Nature CenterBoard of Directors2012 - 2014
Publication nameTitleDate
B.Phil Dissertation DefenseEffects of Voter Identification and Provisional Balloting Laws on the American Electorate2009
School nameMajorDegreeGraduated
Vermont Law SchoolLawJD - Juris Doctor2013
Vermont Law SchoolAlternate Dispute ResolutionCertificate2013
University of PittsburghHistory, Political Science, GeologyB.Phil with Honors2009
Speaking engagements
Conference nameTitleDate
Flying Solo: How To Start & Manage Your Own PracticeSolo Practice2015
Sports RoundtableStudent Athletes and Graduate School2013
Political RoundtableHelp American Vote Act of 20022009