What does probate mean when someone dies? Probate is the term for a legal process in which a will is reviewed to determine whether it is valid and authentic. Probate also refers to the general administering of a deceased person's will or the estate of a deceased person without a will. Does Irvine Probate Law offer probate services in the 92603 area? Yes, the top Irvine Probate Attorney will help you with your home in the 92603 area.