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Reviews for The Law Office of John J. Leonard

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  • September 2025

    I was referred to John by a judge in Southampton to litigate a difficult sale of my home in Hampton Bays which was occupied with my estranged widowed daughter in-law. John aggressively and efficiently guided me through this stressful situation. He also represented me with the successful sale

    I would highly recommend John as a litigation and real estate attorney,

  • December 2024

    During my consultation Mr. Leonard was honest and open with me about the direction in which my case could play out.It is obvious to me that he truly cares about the best interest of his clients and potential clients- he isn't just looking to be hired for the money. We came to the decision together that due to my personal circumstances, my interstate custody case was best to be handled in another state outside of his law practice (due to jurisdiction).

    He even went ABOVE and BEYOND to help me source attorneys and personally call himself, attorneys in the state of FL that would be a best match for me.

    I was recommended him by family... read full review

  • December 2022

    John is an absolutely amazing advocate, especially for women seeking divorce from a high-conflict spouse. His working knowledge of the court system is indispensable to anyone trying to navigate the perplexing legal world of Suffolk County. John passionately defends his clients' interests, while also recognizing the realities of the judicial system. I recommended his practice whole heartedly and without any reservation. I'm confident that you will too!

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    The Law Office of John J. Leonard

    186 W Montauk Hwy Ste D8, Hampton Bays

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