John Zen Jackson

John Zen Jackson

Commercial Litigation

4.0 (1 reviews)
Iselin, New Jersey
50+ years experience
Greenbaum, Rowe, Smith & Davis LLP
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Bio

Mr. Jackson’s healthcare practice emphasizes litigated matters in judicial and administrative forums, including professional liability claims, licensure and credentialing issues with administrative agencies and health care entities, reimbursement and insurance fraud disputes. He is Certified by the Supreme Court of New Jersey as a Civil Trial Attorney and has extensive experience in trying jury cases to a verdict.In addition to trying numerous individual medical liability cases for a variety of healthcare providers, Mr. Jackson was lead defense counsel for a group of New Jersey plastic surgeons sued in connection with the silicone gel breast implant litigation, and has been involved in a number of high-profile mass tort litigation programs for medical devices or healthcare products, including pedicle screws, diet drugs, and Rezulin.Beyond trial advocacy, Mr. Jackson is an experienced appellate litigator. He served as defense counsel in the New Jersey Supreme Court cases limiting the liability of physicians for suspected exposure to the HIV-virus, and for alleged lack of informed consent regarding abortion procedures. Mr. Jackson has served as amicus counsel for the Medical Society of New Jersey, the American Medical Association, and the New Jersey Hospital Association in appellate matters before the New Jersey Supreme Court and Appellate Division. He has been involved in numerous reported opinions.Mr. Jackson has handled a variety of commercial litigation issues as well as the defense of qui tam actions under the Federal False Claims Act and insurance coverage and insurance fraud cases. He has represented clients in professional licensure and hospital privilege disputes before state administrative bodies and hospital credentialing committees as well as judicial review through the New Jersey Supreme Court. He has additional experience as a hearing officer for hospital privilege disputes.Mr. Jackson is the author of over 80 published articles in medical and legal publications on a broad range of healthcare, tort liability and trial technique topics. He has been a member of the Editorial Board of MDAdvisor, a peer-reviewed journal for the New Jersey medical community, since its inception in 2007. Mr. Jackson’s healthcare practice emphasizes litigated matters in judicial and administrative forums, including professional liability claims, licensure and credentialing issues with administrative agencies and health care entities, reimbursement and insurance fraud disputes. He is Certified by the Supreme Court of New Jersey as a Civil Trial Attorney and has extensive experience in trying jury cases to a verdict.In addition to trying numerous individual medical liability cases for a variety of healthcare providers, Mr. Jackson was lead defense counsel for a group of New Jersey plastic surgeons sued in connection with the silicone gel breast implant litigation, and has been involved in a number of high-profile mass tort litigation programs for medical devices or healthcare products, including pedicle screws, diet drugs, and Rezulin.Beyond trial advocacy, Mr. Jackson is an experienced appellate litigator. He served as defense counsel in the New Jersey Supreme Court cases limiting the liability of physicians for suspected exposure to the HIV-virus, and for alleged lack of informed consent regarding abortion procedures. Mr. Jackson has served as amicus counsel for the Medical Society of New Jersey, the American Medical Association, and the New Jersey Hospital Association in appellate matters before the New Jersey Supreme Court and Appellate Division. He has been involved in numerous reported opinions.Mr. Jackson has handled a variety of commercial litigation issues as well as the defense of qui tam actions under the Federal False Claims Act and insurance coverage and insurance fraud cases. He has represented clients in professional licensure and hospital privilege disputes before state administrative bodies and hospital credentialing committees as well as judicial review through the New Jersey Supreme Court. He has additional experience as a hearing officer for hospital privilege disputes.Mr. Jackson is the author of over 80 published articles in medical and legal publications on a broad range of healthcare, tort liability and trial technique topics. He has been a member of the Editorial Board of MDAdvisor, a peer-reviewed journal for the New Jersey medical community, since its inception in 2007. Mr. Jackson’s healthcare practice emphasizes litigated matters in judicial and administrative forums, including professional liability claims, licensure and credentialing issues with administrative agencies and health care entities, reimbursement and insurance fraud disputes. He is Certified by the Supreme Court of New Jersey as a Civil Trial Attorney and has extensive experience in trying jury cases to a verdict. In addition to trying numerous individual medical liability cases for a variety of healthcare providers, Mr. Jackson was lead defense counsel for a group of New Jersey plastic surgeons sued in connection with the silicone gel breast implant litigation, and has been involved in a number of high-profile mass tort litigation programs for medical devices or healthcare products, including pedicle screws, diet drugs, and Rezulin. He has additional experience as a hearing officer for hospital privilege disputes. Mr. Jackson is the author of over 80 published articles in medical and legal publications on a broad range of healthcare, tort liability and trial technique topics. He has been a member of the Editorial Board of MDAdvisor, a peer-reviewed journal for the New Jersey medical community, since its inception in 2007.

Practice Areas

Commercial Litigation

Awards & Recognition

  • Lawyer of the Year: Medical Malpractice Law - Defendants, Newark (2021)
  • Lawyer of the Year: Litigation - Health Care, Newark (2020)
  • Lawyer of the Year: Medical Malpractice Law - Defendants, Newark (2019)
  • Lawyer of the Year: Litigation - Health Care, Newark (2018)
  • Lawyer of the Year: Medical Malpractice Law - Defendants, Newark (2015)
  • Lawyer of the Year: Medical Malpractice Law, Newark (2012)
  • Recognized: Commercial Litigation
  • Recognized: Litigation - Health Care
  • Recognized: Medical Malpractice Law - Defendants
  • Practice Area: Health Care Law
  • Practice Area: Insurance Law
  • Practice Area: Leveraged Buyouts and Private Equity Law
  • Practice Area: Medical Malpractice Law
  • Special Focus: Defendants
  • Special Focus: Licensing
  • Special Focus: Litigation
  • Special Focus: Medical Malpractice
  • Trial Attorneys of New Jersey - Trial Bar Award - October 2014

Recognized in Best Lawyers since 2009

Education

  • Seton Hall University, J.D., graduated 1975
  • Tufts University, BA, graduated 1972

Reviews

S

Sarah Diaz

2 weeks ago

A seasoned and strategic advocate in complex healthcare matters

Our medical practice faced a challenging professional liability claim that threatened both our reputation and financial stability. Engaging John Zen Jackson of Greenbaum, Rowe, Smith & Davis was a pivotal decision. His five decades of experience, particularly his deep focus on healthcare litigation and administrative proceedings, were immediately evident. He demonstrated a masterful understanding of both the legal nuances and the medical standards of care involved. While his strategic counsel was invaluable—leading to a very favorable resolution—there were occasional delays in receiving email responses, likely due to his demanding caseload. His recognition as a multiple-time 'Lawyer of the Year' in medical malpractice defense is well-deserved. Mr. Jackson’s calm, authoritative presence and his firm’s resources in Iselin provided immense reassurance throughout a stressful process. We highly recommend him for any healthcare entity navigating litigated or credentialing issues.

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