al-Qazwini fled to Kuwait in October, 1971 and picked up where he left off in Iraq from delivering speeches to teaching jurisprudence classes. In 1980, he travelled to Iran after the Iranian revolution, and carried on his duties and activities, raising awareness of the teachings of the Ahl al-Bayt. In Qom, he spent a few years teaching in its seminaries, and led the Friday prayers at the Jamkaran Mosque. In Tehran, he served as a professor in Shahid Motahari University as well as a judge in the Islamic republic's judiciary system, appointed by Ruhollah Khomeini. He led the Friday prayers at the al-Qodos Mosque.