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Matheu D. Nunn, a Partner and Board Member of the firm, co-chairs the firm’s Family/Matrimonial Practice and co-chairs its general Appellate Practice. Mat also serves as an Arbitrator of family law matters for attorneys throughout the state. Mat has a wide array of experience representing individuals from all fields, including but not limited to: athletes, business owners, entertainers, executives, financial services, lawyers, physicians, police officers, and teachers—as well as the spouses of individuals in those fields.

Mat, a former county and municipal prosecutor, is an experienced litigator; he has tried jury and bench trials and has been counsel in more than 70 Appellate Division and Supreme Court matters, including precedent-setting family law decisions in Cardali v. Cardali, 255 N.J. 85 (2023) (cohabitation), Bisbing v. Bisbing, 230 N.J. 309 (2017) (child relocation), Quinn v. Quinn, 225 N.J. 34 (2016) (cohabitation), In re J.E.V., 226 N.J. 90 (2016)(adoption), and Clark v. Clark, 429 N.J. Super. 61 (App. Div. 2012) (financial malfeasance). Mat’s noteworthy victories have earned him numerous awards and recognitions, including consecutive selections as a New Jersey Law Journal “Attorney of the Year” finalist.

Prior to joining Einhorn Barbarito, Mat clerked for the Morris County Assignment Judge, the Hon. B. Theodore Bozonelis, A.J.S.C. (ret.), and then at the Appellate Division for the Hon. Jack M. Sabatino, P.J.A.D.

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Honors & Accolades

Matheu has been recognized by the following:

  • The Best Lawyers in America®  (Woodward/White, Inc.)
    • Family Law, 2019-2024
    • Appellate Practice, 2022-2024
  • Thomson Reuters, Super Lawyers®
    • New Jersey Super Lawyers: 2022-2023
    • New Jersey Rising Stars: 2013–2021
  • “40 Under 40,” NJBIZ, 2020
  • “Attorney of the Year,” Finalist, New Jersey Law Journal, 2017, 2018
  • “Trailblazer” in Divorce, National Law Journal, 2017
  • “New Leaders of the Bar,” New Jersey Law Journal, 2015

Professional Affiliations

  • Fellow, American Academy of Matrimonial Lawyers, 2022-present
  • Member, Morris County Bar Association, 2012-present
  • Member, New Jersey State Bar Association, 2012-present
  • Trustee, Morris County Bar Association, 2013-2017
  • Co-chair, Morris County Bar Association Family Law Committee, 2023-present
  • Member, New Jersey State Bar Association Appellate Practice Committee, 2013-2016
  • Member, New Jersey State Bar Association, Amicus Committee, 2018-present

Community Involvement

  • Municipal Prosecutor, Morris Township, New Jersey, 2012-2015
  • Member, 200 Club of Morris County
  • Member, Morris Township Ethics Committee, 2012
  • Deputy Mayor/Committeeman, Morris Township, New Jersey, 2015-2018

Experience

Reported Decisions

  • Cardali v. Cardali, ____ N.J. _____ (2023), reversing Appellate Division decision regarding cohabitation. The case followed more than 60 appeals about cohabitation in the preceding 8 years.
  • Lapsley v. Sparta Twp., 249 N.J. 427 (2022), reversing Appellate Division decision regarding compensability of injuries suffered by employee in public parking lot.
  • Bisbing v. Bisbing, 468 N.J. Super. 112 (App. Div. 2021), holding that counsel fee award in husband’s favor was non-dischargeable in bankruptcy because they were in the “nature” of support and stemmed from custody proceedings.
  • Lapsley v. Sparta Twp., 466 N.J. Super. 160 (App. Div. 2021), holding that employee injury in parking lot was not covered by Worker’s Compensation Act.
  • State v. Andrews, 243 N.J. 447 (2020), in a 4-3 decision, concluding that compelled disclosure of cellular phone passcode did not violate Fifth Amendment privilege against self-incrimination.
  • Woytas v. Greenwood Tree Experts, Inc., 237 N.J. 501 (2019), modifying Appellate Division and concluding that outstanding financial obligations in a settlement agreement is not tantamount to the death benefit of life insurance that the decedent failed to maintain.
  • Bisbing v. Bisbing, 230 N.J. 309 (2017), reversing sixteen years of Supreme Court case law and now requiring all child relocation decisions to be guided by a “best interests” standard.
  • Quinn v. Quinn, 225 N.J. 34 (2016), reversing trial court and holding, in case of first impression, that Konzelman cohabitation provisions that terminate alimony are enforceable even after the “cohabitation” ends.
  • In re Child by J.E.V., 226 N.J. 90 (2016), requiring appointment of counsel for indigent parents in private adoptions.
  • Bisbing v. Bisbing, 445 N.J. Super. 207 (App. Div. 2016), reversing trial court that allowed children to be relocated to Utah.
  • In re Adoption of Child by J.E.V., 442 N.J. Super. 472 (App. Div. 2015), requiring appointment of counsel for indigent parents in private adoptions.
  • Clark v. Clark, 429 N.J. Super. 61 (App. Div. 2012), reversing trial court award of alimony to wife from husband where wife embezzled from husband’s business.

Unreported Decisions

  • Kiejdan v. Kiejdan, A-2945-20 (App. Div. 2023)
  • B.C.P. v. D.W.P., A-2778-21 (App. Div. 2023)
  • Petrongolo v. Alves, A-1095-21 (App. Div. 2022)
  • A.A. v. I.A., A-2209-20 (App. Div. 2022)
  • Cardali v. Cardali, A-1624-20 (App. Div. 2022)
  • Eisenger v. Herman, A-3782-19 (App. Div. 2022)
  • Lapsley v. Sparta Twp., 249 N.J. 427 (2022)
  • A.K.S. v. M.V.M., A-1982-19 (App. Div. 2021)
  • M.S. v. M.A.S., A-2817-19 (App. Div. 2021)
  • S.G. v. A.G., A-5394-18T2 (App. Div. 2021)
  • Molloy v. Molloy, A-2370-18T3 (App. Div. 2020)
  • Mendoza v. Shim, A-0917-18T1 (App. Div. 2020)
  • S. v. D.J.S., A-0574-17T4, 2019 WL 2233496 (App. Div. May 23, 2019)
  • S. v. M.A.S., A-3937-17T3, 2019 WL 2000556 (App. Div. May 7, 2019)
  • C. v. J.C., 2019 WL 470068 (App. Div. February 7, 2019)
  • S. v. S.J.S., 2018 WL 6494391 (App. Div. December 11, 2018)
  • M.O. Adoption of a Child by J.E.V., 2018 WL 4611139 (App. Div. September 26, 2018)
  • M.O. Adoption of a Child by R.C.W., 2018 WL 3732739 (App. Div. August 7, 2018)
  • Cynar v. Cerefice, 2018 WL 3732816 (App. Div. August 7, 2018)
  • Abdelkader v. Hosny, 2018 WL 3579897 (App. Div. July 26, 2018)
  • State v. Gardner, 2018 WL 3484100 (App. Div. July 20, 2018)
  • Woytas v. Greenwood Tree Experts, Inc., 2018 WL 3404123 (App. Div. July 13, 2018)
  • S. v. A.S., 2016 WL 1229116 (App. Div. March 30, 2016)
  • Yannuzzi v. Yannuzzi, 2015 N.J. Super. Unpub. LEXIS 1904 (App. Div. 2015)
  • Clark v. Clark, 2014 N.J. Super. Unpub. LEXIS 895 (App. Div. 2014)
  • Alexin v. Raiter, 2014 N.J. Super. LEXIS 826 (App. Div. 2014)
  • State v. Baum, 2013 N.J. Super. Unpub. LEXIS 1920 (App. Div. 2013)
  • G. V. A.G., 2013 N.J. Super. Unpub. LEXIS 1496 (App. Div. 2013)
  • M.F. v. G.M.F., 2013 N.J. Super. Unpub. LEXIS 1063 (App. Div. 2013)
  • Decheser v. Decheser, 2013 N.J. Super. Unpub. LEXIS 1339 (App. Div. 2013)
  • Lenowitz v. Lenowitz, 2012 N.J. Super. Unpub. LEXIS 2605 (App. Div. 2012)
  • State v. J.C., 2012 N.J. Super. Unpub LEXIS 1989 (App. Div. 2012)
  • State v. Williams, 2012 N.J. Super, Unpub. LEXIS 1118 (App. Div. 2012)
  • State v, Tillery, 2012 N.J. Super. Unpub LEXIS 761 (App. Div. 2012)
  • State v. Maclay, 2012 N.J. Super. Unpub. LEXIS 369 (App. Div. 2012)
  • State v. Zarate, WL 246385 (App. Div. 2012)
  • State v. Bisco, WL 2582732 (App. Div. 2011)
  • State v. Pomento, WL 1191558 (App. Div. 2011)
  • State v. Brackin, WL 1661381 (App. Div. 2011)
  • State v. Nguyen, 205 N.J. 80 (2011)
  • State v. Quigley, WL 903444 (App. Div. 2011)
  • State v. Usher-Swift, WL 941162 (App. Div. 2011)
  • State v. Vaughn, 205 N.J. 79 (2011)
  • State v. Worthy, WL 2306904 (App. Div. 2011)
  • State v. Ameti, WL 2557501 (App. Div. 2010)
  • State v. Bevacqua, WL 2346684 (App. Div. 2010)
  • State v. Carrasquillo, WL 532784 (App. Div. 2010)
  • State v. Correia, WL 4067032 (App. Div. 2010)
  • State v. Dilavore, WL 4008131 (App. Div. 2010)
  • State v. J.E.J., 203 N.J. 438 (2010)
  • State v. O’Leary, WL 2195677 (App. Div. 2010)
  • State v. O’Leary, 204 N.J. 41 (2010)
  • State v. Toffoloni, WL 680774 (App. Div. 2010)
  • State v. Culpepper, WL 3849922 (App. Div. 2009)

Results may vary depending on your particular facts and legal circumstances.

Speaking Engagements

  • Panelist, “Financial Implications of Divorce – Part 2” (2022, Nisivoccia LLP)
  • Panelist, “Financial Implications of Divorce – Part 1” (2022, Nisivoccia LLP)
  • Panelist, “Family Law Experts And Implicit Bias” (second presentation)(2021, NJICLE)
  • Panelist, “Family Law: Hot Tips in 2021” (2021, MCBA)
  • Panelist, “Family Law Experts And Implicit Bias” (2021, NJICLE)
  • Panelist, “Family Law: Hot Tips in 2020” (2020, MCBA)
  • Panelist, “Intrastate and Interstate Relocation – The Aftermath Of Bisbing, How To Shape Our Intrastate Relocations Laws, and An Arial View Of How Other States Address Intrastate Relocation Laws” (2020, NJICLE)
  • Panelist, “Child Custody Basics: Everything You Need to Handle Child Custody Matters in 2019” (2019, NJICLE)
  • Moderator, “Family Law Appeals” with Supreme Court Justices Jaynee LaVecchia and Anne M. Patterson; and Appellate Division Judges Jose L. Fuentes, Mary Catherine Cuff (ret.), and Marie E. Lihotz (ret.) (2018, NJICLE)
  • Panelist, “’He Said, She Said’ and ‘I think…’: How Mental Health Professionals Come to Conclusions When Doing Assessments in Family Law Cases” with Hon. Hany Mawla, J.A.D. and Hon. Peter Bogaard, J.S.C. (2017, NJSBA)
  • Panelist, “Bisbing and Child Relocation” with Hon. Maritza Berdote-Byrne, P.J.F.P. (2017, MCBA)
  • Panelist, “Relocation and Your Custody Case in Light of Supreme Court Opinion – Bisbing v. Bisbing” (2017, NJAJ)
  • Panelist, “Bisbing v. Bisbing” with Judge Michael Casale, J.S.C. (ret.) – The Justice Virginia Long Family Law American Inn of Court (2017)
  • Panelist – “Preparing and Appearing Before the New Jersey Appellate Division” with Judge Jack M. Sabatino, P.J.A.D. (2017, NJAJ)
  • Panelist – “Evidence for Family Lawyers” with Judge David H. Ironson (2017, NJICLE)
  • Panelist – Cohabitation Seminar with Judge Michael E. Hubner (2016, MCBA)
  • Moderator – Appellate Seminar with Supreme Court Justice Virginia Long (ret.), Judge Phillip S. Carchman (ret. and on recall), Judge Catherine I. Enright, and Bonnie Frost (2014, MCBA).
  • Moderator – Appellate Seminar with Supreme Court Justice Anne M. Patterson, Judge Francine I. Axelrad, Judge Jack M. Sabatino, and Judge Edwin H. Stern (ret.) (2014, MCBA)
  • Moderator – Appellate Seminar with Supreme Court Justice Patterson, Judge Axelrad, Judge Sabatino, and Judge Stern (ret.) (2013, MCBA)
  • Panelist, “Hot Tips for Family Lawyers” (2012, NJICLE)
  • Keynote Speaker – Hispanic Chamber of Commerce (2012)
  • Privacy Issues in Family Law” – Somerset County Bar Association (October 2011)
  • Privacy Issues in Family Law” – Institute for Continuing Legal Education (September 2011)
  • Keynote Address” – Morris County Police Academy – Explorer Graduation (June 2011)
  • The Infrequent Fliers Program – Doing it Right on Appeal” – Panelist – New Jersey State Bar Association Convention (May 2011)

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