I assume that you mean that your adopted father wrote a will several years ago that excluded you and some of your siblings. He later indicated that he wished to leave some of his estate to you but never drafted a new will. The probate court will abide by the terms of the existing will unless 1) you can prove that the will is somehow invalid or fraudulent, should be set aside, and your father's estate distributed according to the state's laws of intestacy, 2) you can prove that your father did not mean to leave you out of the will and you should inherit some part of the estate (very difficult to do), or 3) you can prove that your father was legally incompetent at the time he executed the will and he did not know what he was doing or who he was making bequests to (also very difficult). Another possibility, depending on how the will is drafted, is to convince those who do inherit via the will to reject some of their inheritance and allow it to be passed on to you. However, if the will has a remainder clause, the rejected bequest will go to that person(s).
Answered on Jun 09th, 2014 at 6:46 PM