Attorneys & Staff

Michael J. DeTommaso

Founder & Managing Partner

Michael DeTommaso is a family law and divorce attorney and founding Partner of DeTommaso Law Group, LLC in New Jersey. Since being admitted, Mr. DeTommaso has represented countless clients with family issues throughout the State of New Jersey including divorces, complex equitable distribution and support matters, child custody and parenting time. He has been awarded the designation of Certified Matrimonial Attorney by the Supreme Court of New Jersey, which is a designation achieved by only 2% of the attorneys in the State of New Jersey. 

Mr. DeTommaso has earned a reputation throughout New Jersey as a relentless and aggressive litigator. He is known for his strategic representation in divorce and family law matters. One of the core values of the firm Mr. DeTommaso founded is the implementation of strategies tailored to the unique facts and circumstances of each individual client’s case as they apply to the case and statutory law in the State of New Jersey.

Mr. DeTommaso has appeared in family courts across New Jersey, and he utilizes his knowledge of the Rules of Court and discovery to aggressively investigate an opponent’s income and assets. This is an extension of another core value of the DeTommaso Law Group, which is to place each of the firm’s clients in a position to make an informed decision as to all of the issues in the case by aggressively pursuing discovery of all relevant information relating to the other party’s income, assets, and liabilities.

Mr. DeTommaso is a highly-skilled, respected, and feared trial attorney. He has successfully tried cases before judges throughout the State of New Jersey. In fact, he has been a sought after lecturer by other members of the legal profession to teach them effective methods of trial preparation and advocacy.


    Location: 58 Mt. Bethel Road, Suite 303, Warren, NJ 07059
    Phone: (908) 595-0340
    Fax: (908) 595-0343

    Family and Matrimonial Law
    Divorce and Legal Separations
    Dissolution of Domestic Partnerships/Civil Unions and Same Sex Marriages
    Child Custody
    Visitation and Parenting Time
    Child Supports
    Alimony and Palimony
    Division of Assets – Equitable Distribution
    Prenuptial Agreements
    Mid-Marriage Agreements
    Children’s Educational Needs
    Modification of Custody
    Modification of Parenting Time
    Modification of Child Support
    Modification, Reduction or Termination of Alimony
    Termination or suspension of alimony based upon cohabitation
    Enforcement of Custody
    Enforcement of Parenting Time
    Enforcement of Child Support
    Enforcement of Alimony
    Grandparent’s Rights
    Domestic Violence Matters
    Post Divorce Matters
    Relocation out of the State of New Jersey with a child


    New Jersey, 2004
    U.S. District Court District of New Jersey, 2004

    New England School of Law, Boston, Massachusetts
    Kings College, Wilkes-Barre, Pennsylvania


    Early Settlement Panelist- Hunterdon County (2007 – present)
    Early Settlement Panelist- Hunterdon County (2007 – present)
    Resource Center for Children & Families of Somerset County (2004 – 2016)
    Jersey Battered Women’s Services- Morris County (2016 – present)

  1. The Super Lawyers list and Rising Stars list by Thomson Reuters select attorneys using a patented multiphase selection process. Peer nominations and evaluations are combined with independent research. Each candidate is evaluated on 12 indicators of peer recognition and professional achievement. Selections are made on an annual, state-by-state basis. To learn more about the Super Lawyers and Rising Stars selection process, please click here. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.

  2. American Institute of Family Law (10 Best Client Satisfaction; Top 10 Under 40) “To be named an attorney must be formally nominated by the board, client, and/or fellow Attorney; have attained the highest degree of professional achievement in his or her field of law; and having done so with an impeccable Client Satisfaction rating. To learn more about the selection process, click here. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.