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About me

John V. Mallon chairs ChasanLeyner & Lamparello’s Defense Department, leading a group of 15 attorneys handling matters related to automobile, aviation, premises liability and insurance coverage disputes.  He has prepared hundreds of cases for trial in both the state and federal courts and has tried more than 70 to verdict.  Beginning his career with Allstate Insurance Company in 1988, he gained vastexperience in a wide array of insurance related areas, later being appointed as a trial counsel for Allstate’s legal department.  John has been recognized by many for his outstanding level of professional excellence, most recently from Martindale-Hubbell awarding its highest peer review rating to John for his ethical standards and legal ability.  Additionally, John has been designated as a Certified Civil Trial Attorney by the New Jersey Supreme Court since 2001 and designated as a Super Lawyer in the area of insurance coverage every year since 2009.  Recently, Best Lawyers in America® 2015 selected John in the area of Insurance Law. John has served as a speaker to the legal community, most recently presenting at the New Jersey institute for Continuing Legal Education seminars "Keys to Focusing and Developing Your Case", “The Best Offense is to know the Defense" and “Hot Topics in Torts”.


Practice areas


  1. Litigation: 80%
    22 years, 2 thousand cases
  2. Insurance: 10%
    22 years, 200 cases
  3. Appeals: 5%
    17 years, 30 cases
  4. Insurance Fraud: 3%
    18 years, 75 cases
  5. Aviation: 2%
    11 years, 20 cases

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • Stanley R Pietruska

    I endorse this lawyer.


    Stanley Pietruska Car accident Attorney
    Relationship: Fellow lawyer in community

  • Patrick X Amoresano

    John Mallon is a first-rated trial attorney by any measure.


    Patrick Amoresano Medical malpractice Attorney
    Relationship: Opposing Counsel on matter

Contact info

Chasan Leyner & Lamparello

300 Harmon Meadow Boulevard
Secaucus, NJ, 07094-3642


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Best Layer, Insurance LawBest Lawyers in America2015
AV Peer Review RatingMartindale-Hubbell2014
Super LawyerNew Jersey Monthly Magazine2014
Super LawyerNew Jersey Monthly Magazine2013
Super LawyerNew Jersey Monthly Magazine2012
Super LawyerNew Jersey Monthly Magazine2011
Super LawyerNew Jersey Monthly Magazine2010
Super LawyerNew Jersey Monthly Magazine2009
Certified Civil AttorneyNew Jersey Supreme Court2001
Work experience
TitleCompany nameDuration
PartnerChasan, Leyner & Lamparello, PC1997 - Present
Trial CounselAllstate Insurance Company1988 - 1997
Association namePosition nameDuration
New Jersey State Bar Association, Insurance Defense CommitteeChair2012 - Present
Civil Arbitration Selection CommitteeCo-Chair2006 - Present
New Jersey Defense AssociationMemberN/A
North Hudson Lawyers ClubMemberN/A
Hudson Inn of CourtMemberN/A
Hudson County Bar Association, Civil Practice CommitteeMember2000 - 2005
School nameMajorDegreeGraduated
Rutgers University School of LawLawJD - Juris Doctor1994
University of ScrantonN/ABA - Bachelor of Arts1988