Hailing from "Lahijan in "Gilan, he spent most of his life in "Qom. Abd al--Razzaq was a son-in-law of "Mulla Sadra along with Molla Mohsen Feyz Kashani. His son "Hasan would become another prominent theologian and philosopher of the Safavid dynasty. Seyyed "Hossein Nasr knows him among the intellectual figures in Persia. Abd al--Razzaq was in agreement with Molla Sadra as to the contrast between primacy of "quiddity and primacy of existence.
According to Madlung, Abd-Razzaq taught at the Masumieh madrasah. There his prominent pupils included his sons Hasan and Ebrahim as well as Qazi Saeed Qommi.
Lāhīǰī stands at the end of a transition in Islamic scholastic theology in which the thought system of "kalam was gradually replaced by that of "falsafa, heavily influenced by the school of "Avicenna. Lahiji in fact developed a form of Kalam which is hardly distinguishable from Hikmat, although at least in his better known works such as the "Gawhar-e morād" he does not follow the main doctrinal teachings of Mulla Sadra, as on the unity of Being and the catharsis of the faculty of imagination.