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Practice areas


  1. Education: 45%
    5 years
  2. Juvenile: 45%
    5 years
  3. Child Abuse: 5%
    5 years
  4. Criminal Defense: 5%
    5 years


Payment types:

Cash, Check

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • Michael S. Waddington

    I endorse Peter. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military law Attorney
    Relationship: Fellow lawyer in community

  • James D. Cormier

    Peter is a thoughtful, zealous, and experienced advocate with a great deal of specialized knowledge in dealing with sensitive juvenile matters who is always reasonable to work with. Peter is consistently straightforward, honest, and earnest about his goals for each case. I dealt with him frequently as a juvenile prosecutor in Waltham Juvenile Court and maintain the highest respect for his abilities.


    James Cormier Criminal defense Attorney
    Relationship: Opposing Counsel on matter

Contact info

90 Bridge Street
Newton, MA, 02458-1119


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Work experience
TitleCompany nameDuration
Owner & AttorneyHilton, Sindelar, Hahn & Mollow2007 - 2010
AttorneyLaw Office of Peter A. Hahn2006 - 2007
Association namePosition nameDuration
MBA Juvenile and Child Welfare Section CouncilChair2009 - Present
Massachusetts Bar AssociationMember2006 - Present
School nameMajorDegreeGraduated
Boston University School of LawLawJD - Juris Doctor2005
Harvard CollegeBiochemistryBA - Bachelor of Arts1999
Speaking engagements
Conference nameTitleDate
MBA CLEJuvenile Law2010
Aspergers Association of New England Annual ConferenceAS and Juvenile Law, Education Law, Criminal Law2010
Federation of Children with Special Needs Annual ConferenceJuvenile Court and Children with Special Needs2007