该阶段大约从公元750年延续至公元950年,涵盖阿拔斯王朝的兴起、巩固及其衰落的开始。阿拔斯王朝由哈里发阿布·阿拔斯(在位期间为750至754年)建立。正是在这一时期,伊斯兰教法学(Fiqh)作为一门独立的伊斯兰学科逐渐成形;哈里发积极支持伊斯兰学术研究,随着对争议性问题的讨论与辩论日益普遍,学术十分兴盛;各学派(Madh-habs)纷纷涌现;各类圣训与教法汇编相继问世;科学、哲学和神学著作的阿拉伯文译本也对伊斯兰思想产生了影响。到该阶段结束时,教法学已明显分为两大部分:基本原则(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)

以及科学、哲学和神学著作的次要原则（Furoo’）；伊斯兰法律的渊源得以确定，主要学派之间的分歧也逐渐形成，使彼此区分开来。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