He studied law in Munich, Bavaria and took the first stage law exam in 1957. In 1958, he gained the title Dr.jur. (doctor of laws) and worked in the University of Munich until 1964, where he passed his second law exam. He wrote "Die Wesensmerkmale der Staatsorganisation in rechtlicher und entwicklungsgeschichtlicher Sicht" ("Characteristics of State Organization from a Juristic and Developmental-Historical Viewpoint"), and was given the title of professor in 1964.