Mediator's Profile


Hon. Katherine Dupuis (Ret’d)

Business Name: Lindabury, McCormick, Estabrook & Cooper, P.C.

Hon. Katherine Dupuis concentrates her practice on mediation and arbitration with a focus on commercial disputes, probate mediation and divorce mediation. She was formerly the Presiding Judge of the Chancery, Probate and Family Divisions of the Superior Court of New Jersey, Union County.

Judge Dupuis brings a wealth of experience gained from her years of service in the Civil, Family, and Criminal Divisions of the Union County Courts. She began her career as a federal law clerk in the US District Court of New Jersey, and was then employed as an Assistant County Prosecutor in Union County. She was first appointed to the bench in 1993 and has been assigned to all divisions, having handled:

  • Business Disputes
  • Will contests
  • Real estate disputes
  • Business valuations
  • Divorce proceedings
  • Probate
  • Contracts

Judge Dupuis has managed many will contests and challenges to the transfer of assets before and after a decedent’s death. She has also mediated and arbitrated partnership and stockholder disputes. Additionally, she has dealt with the myriad of disputes that arise from divorce litigation including determining what assets are part of the matrimonial estate, the value of those assets, as well as alimony and child support.

She is a member of the Union County Bar Association, and the New Jersey State Bar, and is also an active member of the Family, Alternate Dispute Resolution and LGBT Sections of the New Jersey State Bar Association.

Judge Dupuis is currently serving as a Commercial and Consumer Panelist for the American Arbitration Association (AAA).


  • J.D., Seton Hall School of Law, Newark, NJ, 1978
  • B.A., Chestnut Hill College, Philadelphia PA, 1972


  • Superior Court of New Jersey, 1993

Professional & Bar Association Memberships

  • Union County Bar Association
  • American Bar Association
  • New Jersey State Bar Association
  • Richard Hughes Inn of Courts
  • Union County Judicial and Prosecutorial Appointment Committee
  • Supreme Court Committee on Outside Activities
  • Chancery Part Presiding Judge Committee
  • Chancery Judicial Educational Committee for Family Division
  • Member LGBT Section of the State Bar
  • Member of Family Law Section of the NJ State Bar
  • Former Member of Family Law Executive Committee
  • Former member of the Criminal Practice Committee
  • Member of Alternate Dispute Resolution Committee of State Bar

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