Attorneys & Staff

Michael J. DeTommaso (Founder & Managing Partner)

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 ranging from divorces, complex equitable distribution and support matters, child custody and parenting time. He is a Certified Matrimonial Attorney by the Supreme Court of New Jersey which is a certification 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 aggressive litigator. He is known for his strategic representation in divorce and family law matters. The core value of the firm he founded is focused upon developing a strategy based upon 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. In fact, the firm holds weekly meetings to review each individual client’s case and utilizes the knowledge, experience and perspective of all of the entire firm’s attorneys to determine whether the strategy that has been selected for a particular client’s case needs to be adjusted or modified based upon events that are transpiring in real time during the pendency of our representation.

Mr. DeTommaso has appeared in family courts across New Jersey, and 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 firm’s core values in which Mr. DeTommaso founded 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 and 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 family bar to teach them various methods of trial preparation and advocacy.

In 2017, he has been recognized as a “New Jersey Super Lawyer”* by New Jersey Monthly Magazine.


    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 and their Families of Somerset County (2004 – 2016)
    Jersey Battered Women’s Services- Morris County (2016 – present)

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Michael DeTommasoReviewsout of 13 reviews