John E Clancy, Esq.

John E Clancy, Esq.

John E. Clancy Esq. - Partner

New Jersey Divorce and Family Law Attorney

John Clancy Morris County NJ Divorce LawyerLocation:
Hackensack, New Jersey
Whippany, New Jersey



John has been a member of the firm since its inception, and has been a partner since 2012. He practices family law exclusively, and is a NJ Supreme Court Certified Matrimonial Law Attorney. John has extensive experience in issues surrounding divorce, appeals, business and asset valuation, child custody and child support, domestic violence, grandparent visitation, divorcing with special needs children, same sex marriage and all family matters. He believes in focusing on strategy and solutions, and is 100% invested in all of the matters that he oversees throughout Northern New Jersey.

For some matters, mediation is the best way to find a solution. John is an approved family law economic mediator pursuant to the New Jersey Court Rules.

John volunteers and sits on the Morris County Early Settlement Panel and Blue Ribbon Panel for pending divorce cases in the Superior Court. He is also a volunteer for the Jersey Battered Women’s Service.

In 2022 AND 2023, John received the honor of being included in the New Jersey Super Lawyer’s* list. From 2013 through 2021, John received the honor of being included in the Super Lawyers Rising Stars* list. The lists are published by Thomson Reuters relative to being a divorce attorney. The qualifications or requirements for being included can be viewed at

*no aspect of this advertisement has been approved by the Supreme Court

Representative Cases


  • Elrom v. Elrom 439 N.J. Super. 424, 434 (App. Div. 2015)
  • Major v. Maguire, 218 N.J. 530 (2015) (Landmark NJ Supreme Court Grandparent Visitation Case).
  • B.G. v. L.H., 450 N.J. Super. 438 (Ch. Div. 2017), (complex custody jurisdiction)


  • Eisinger v. Herman, 2022 N.J. Super. Unpub. LEXIS 532
  • Halonski v. Halonski, 2020 N.J. Super. Unpub. LEXIS 1112
  • Curran v. Curran, 2020 N.J. Super. Unpub. LEXIS 616
  • Steffens v. Steffens, 2019 N.J. Super. Unpub. LEXIS 2643
  • A.L.S. v. M.S., 2018 N.J. Super. Unpub. LEXIS 386
  • Rodrigues v. Rodrigues, 2015 N.J. Super. Unpub. LEXIS 1988
  • R.J.T. v. A.V.T., 2014 N.J. Super. Unpub. LEXIS 384
  • Slim v. Slim, 2013 N.J. Super. Unpub. LEXIS 2855
  • S.K. v. K.K., 2012 N.J. Super. Unpub. LEXIS 519
  • Connell v. Connell, 2008 N.J. Super. Unpub. LEXIS 1416
  • Menzel v. Davis, 2008 N.J. Super. Unpub. LEXIS 2100
  • L.H. v. D.T.H., No. A-2910-21, 2023 N.J. Super. Unpub. LEXIS 767 (App. Div. May 19, 2023)

Areas of Practice

  • Family Law
  • Divorce
  • Alimony
  • Child Support
  • Custody
  • Parenting Time
  • Domestic Violence
  • Prenuptial Agreements
  • Alimony and Child Support Modification
  • Appeals
  • Grandparent Issues
  • Domestic Partnership and Civil Unions
  • Mediation

Bar Admissions

  • New Jersey
  • U.S. District Court District of New Jersey


  • Rutgers Law School
    • J.D. – 2006
    • Honors: Marshall-Brennan Fellow
    • Honors: Herman J. Finn Legal Ethics Award
  • Rutgers University
    • B.A. cum laude – 2003
    • Honors: Phi Beta Kappa
    • Major: Political Science & Philosophy
    • Minor: Economics

Professional Associations and Memberships

  • New Jersey State Bar Association, Family Law Section, 2007 – Present
  • Morris County Bar Association, Member, 2008 – Present
  • Barry Croland Family Law American Inns of Court, Past Member

Past Employment Positions

  • Hon. Amy O’Connor, J.S.C., Warren County, Superior Court of NJ, Family Division, Judicial Law Clerk, 2006 – 2007
  • Supreme Court of NJ, Office of Attorney Ethics, Intern, 2005
  • Hon. Mary Eva Colalillo, J.S.C., Camden County Superior Court New Jersey, Civil Division, Judicial Intern, 2004

Nominated to SuperLawyers® List 2013 to 2024

Our attorneys have received the honor of being included in the Super Lawyers and/or Super Lawyers Rising Stars list(s) published by Thomson Reuters, relative to being divorce attorneys. The dates of their inclusion are noted above. The qualifications or requirements for being included can be viewed at

*No aspect of this advertisement has been approved by the Supreme Court of New Jersey.

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