is one of the first academicians that wrote about civil procedure law matters after Turkish law revolution. As works of Berkin are scrutinized, it can be determined that Berkin had different opinions compared to current civil procedure doctrine. Varying opinions draw attention especially on jurisdiction order and subject matter jurisdiction rules that constitute its sub element. The terminology used by the author for jurisdiction order, his classification of jurisdiction rules, his explanations about the nature of subject matter jurisdiction rules could be different from prevailing opinions in Turkish civil procedure law doctrine. It can be occurred that in progress of time, some opinions of Prof. Dr. Necmeddin Berkin got closer to he prevailing opinion in Turkish civil procedure law doctrine. This article demonstrates on one hand that the transformation of some of his opinions, on the other hand it reflects to change and transformation of Turkish civil procedure law doctrine especially on subject matter jurisdiction rules.