N.J. Stat. 2A:62A-27
Liability: Use of AED
An individual who acquires, provides, uses, or supervises the use of an AED, prescribing physician, or an AED trainor will not be held legally responsible for acting or failing to act. They can be held legally responsible if acting with extreme carelessness or intent to cause harm
Immunity from civil liability relative to defibrillator; exceptions
a. (1) Any person or entity who, in good faith, acquires or provides a defibrillator, renders emergency care or treatment by the use of a defibrillator, assists in or supervises the emergency care or treatment by the use of a defibrillator, or attempts to use a defibrillator for the purpose of rendering emergency care or treatment, and who has complied with the requirements of this act, shall be immune from civil liability for any personal injury as a result of that care or treatment, or as a result of any acts or omissions by the person or entity in providing, rendering, assisting in, or supervising the emergency care or treatment. (2) A person or entity providing or maintaining an automated external defibrillator shall not be liable for any act or omission involving the use of a defibrillator in the rendering of emergency care by a lay person. b. The immunity provided in subsection a. of this section shall include the prescribing licensed physician and the person or entity who provided training in cardio-pulmonary resuscitation and use of the defibrillator. c. This subsection shall not immunize a person for any act of gross negligence or willful or wanton misconduct. It shall not be considered gross negligence or willful or wanton misconduct to fail to use a defibrillator in the absence of an otherwise preexisting duty to do so.