Yes, New Jersey Rule of Evidence 501(2) specifically exempts a privilege where a spouse in a marriage or a partner in a civil union is the victim of an alleged crime by the other spouse or civil partner.
New Jersey Rule of Evidence 509 would also permit a spouse to testify against another spouse in a Simple Assault or Aggravated Assault proceeding.
If you or a family member needs help with assault, call us at 732-625-9661.