Wannan mataki yana farawa daga kimanin shekara ta 750 zuwa 950 miladiyya, kuma ya ƙunshi tashin daular 'Abbasawa wadda Khalifa Abul-'Abbaas ya kafa (mulki 750-754)109, da kafuwarta da kuma farkon raguwarta. A wannan lokaci ne ilimin Fiqh ya samu siffa a matsayin ilimin Musulunci mai zaman kansa; khalifa ya goyi bayan ilimin Musulunci sosai, kuma ya bunƙasa yayin da tattaunawa da muhawara kan batutuwan da ake jayayya a kansu suka yaɗu; madhhabai sun yawaita; an yi tarin hadisai da na Fiqh iri-iri; kuma fassarar ayyukan kimiyya, falsafa da tauhidi zuwa Larabci ta yi tasiri a tunanin Musulunci. A ƙarshen wannan zamani, Fiqh ya rabu a fili zuwa sassa biyu: ka'idojin asali (Usool)

This stage extends from approximately 750 CE to 950 CE, and covers the rise of the ‘Abbaasid Dynasty founded by Caliph Abul-‘Abbaas (reign 750-754)109, its consolidation and the beginning of its decline. It was during this period that Fiqh took shape as an independent Islamic science; Islamic scholarship was actively supported by the caliph and it flourished as discussion and debate on controversial issues became widespread; Madh-habs multiplied’ various compilations of Hadeeth and Fiqh were made; and Arabic translations of scientific, philosophical and theological works exerted influence on Islamic thought. By the end of the period, Fiqh was clearly divided into two sections; Fundamental principles (Usool)

da kuma ƙa'idoji na biyu na ayyukan kimiyya, falsafa da tauhidi (Furoo'); an gano tushen dokar Musulunci kuma an ƙirƙiro bambance-bambance tsakanin manyan Madhhabai, waɗanda ke raba su da juna. 110

and secondary principles of scientific, philosophical and theological works (Furoo’); sources of Islamic law were identified and deferences developed between the major Madh-habs separating them from each other. 110