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John Thomas Brennan

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Practice areas:

Negligence, General Practice, Real Estate, Probate

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Practice Areas

Licensed since 1975

  1. Negligence: 40%
  2. Probate: 20%
  3. Real Estate: 20%
  4. General Practice: 20%

Attorney Endorsements

1 total 

  • Edward A. Ruffo

    I endorse this lawyer. Mr. Brennan is a distinguished trial lawyer and litigator. He is an effective communicator with decades of experience and great results. He is a most formidable adversary as well. I highly recommend him.


    Edward Ruffo Personal Injury Attorney
    Relationship: Opposing Counsel on matter

Contact Info

Henderson & Brennan

222 Mamaroneck Avenue Ph
White Plains, NY, 10605

Henderson & Brennan

222 Mamaroneck Ave
White Plains, NY, 10605-1303




NYCurrently registered 197503/13/2015

Professional Misconduct

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

Avvo Contributions

Legal Answers


Association NamePosition NameDuration
Westchester Bar AssociationMemberN/A
New York State Bar AssociationMemberN/A
American Bar AssociationMemberN/A
Association of Trial Lawyers of AmericaMemberN/A


School NameMajorDegreeGraduated
University of Tennessee College of LawLawJD - Juris Doctor1974
University of DaytonN/ABS - Bachelor of Science1970
U of TennesseeN/AUnknownN/A

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