Experienced in Long Island matrimonial and family law

Robert A. Cohen, one of the founding partners of Tabat, Cohen, Blum, Yovino, & Diesa, PC, has practiced matrimonial and family law in Suffolk and Nassau counties for more than 40 years. While his front page New York Law Journal trial decisions and landmark appellate cases reflect his litigation success, Mr. Cohen’s focus on the psychology of settlement negotiations also achieves positive results. He was selected to the board of directors of the Suffolk County Matrimonial Bar Association. He frequently lectures on custody, equitable distribution and support issues, as well as trial techniques. Mr. Cohen’s continuing selection to the Super Lawyers list and achievement of an AV® Preeminent™ Peer Review Rating from Martindale-Hubbell® illustrates the great respect he has earned from his peers and the judiciary.

Contact our matrimonial and family law firm in Long Island to discuss your case

If you or someone you know needs a matrimonial and family law attorney in Nassau County and Suffolk County, Tabat, Cohen, Blum, Yovino, & Diesa, PC can help. From our offices in Garden City and Hauppauge, our attorneys fight for your rights and the best interests of your children. Call our Long Island divorce lawyers in Garden City or in Hauppauge, or contact us online to schedule your initial consultation.

Honors & Awards:

  • Top Lawyer in the NY Metro Area; Super Lawyers (2007- 2020)
  • Long Island’s Top Rated Lawyer; ALM Legal Leaders (2014- 2017)
  • Top Legal Eagle; Long Island Pulse Magazine (2012-2016)
  • Legal Eagle (2012-2020)
  • AV® Preeminent™ Peer Review Rating; Martindale-Hubbell® (2006-2020)
  • Rated 10.0 out of 10.0 “Superb”; Avvo (2013-2020)
  • Lead Counsel Rated; Thompson Reuters (2014 & 2020)
  • Top 10 Attorney Award; The National Academy of Family Law Attorneys (2015)
  • Nation’s Top 1% Award; National Association of Distinguished Counsel (2015-2020)


  • New York, 1980


  • J.D., New York  Law School, 1979
  • B.A., American University, 1976

Professional Associations:

  • Suffolk County Matrimonial Bar Association, Member, Board of Directors
  • Suffolk County Bar Association, Member, Matrimonial Committee

Choose a location to review

Tabat, Cohen, Blum, Yovino & Diesa, PC locations:

Ratings & Reviews

Showing 4-star reviews and above
  • google

    Amazing staff. Very knowledgeable and highly professional.

    — Stephanie Underdown

  • lawyers

    Elizabeth Diesa has been the most consistent and caring attorney. I feel confident in her ability to get positive results in family court. She is so knowledgeable and trustworthy. I’m so grateful to have her representing me during this diff...
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    — Client

  • google

    I Retained Bob Cohen about a month ago. When I went into his office, I was hopeless, exhausted and ready to give up all together. I absolutely had been misrepresented and lacked the appropriate legal counsel from my previous attorney. Bob ...
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    — Brittany Montalvo

  • google

    Excellent service

    — Tom Criscuola

  • google

    Robert Cohen represented me in my divorce and I would highly recommend him to anyone going through the same, mostly difficult, situation. From our first meeting, I realized he was going to stand with me through each phase of this process. H...
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    — Roseann Casale