This article outlines the questionable role of non-state law that is based on globalization and rise of private law making. Proponents of non-state law believe that there are numerous private legislators which make legal rules that govern large groups. The article examines troubled concept of non-state law and its shortcomings and benefits. It considers non-state law by theoretical and empirical analysis. The findings of the study confirm that nowadays, in spite of all critical comments, the importance and currency of legal pluralism is undeniable. It is true to say that Flexibility, Compatibility with circumstances and efficiency are obvious reasons for preferring non-state law.