The question about the subject matter of philosophy of law belongs to fundamental issues of this academic discipline. Although there are more and more new concepts, this dispute has not been unanimously resolved. The purpose of the article is not only the presentation of existing views of the doctrine regarding the question what is the subject matter of philosophy of law?, but an attempt to answer the question how does the evolution of the subject matter of philosophy of law influence the development directions of philosophical and legal problems? Taking into consideration the fact that each of the philosophical systems defined thematical scope of philosophy of law in a different way, systematisation is necessary.