How long does an appeal take, for personal injury 1 Answer | Asked in Injury Law for New Jersey on Apr 18, 2011. You can follow answers to this question by subscribing by e-mail or RSS Share | Answer this Question Answers (1) Jonathan Rudnick Answered On May 10, 2011 Tough to answers the question since the answer depends on what you are appealing. It can take form eight months to two years. 0 0 Report Answer