 He returned to Nigeria in 1964 and was called to the bar the following year.He then worked briefly at the law firm of his brother, Saheed Fawehinmi before branching out on his own.Fawehinmi gained prominence when he took on the case of a factory worker, Bala Abashe who alleged that the Secretary to the government of Benue-Plateau State, Andrew Obeya had an affair with his wife.