Mr Abbasi joined the legal profession and enrolled as an Advocate of subordinate courts with Punjab Bar Council during 1972–73.
[1] He also has been Incharge Judge, Federal Judicial Academy in 2003 and Principal Secretary, Ministry of Law, Justice and Human Rights.
On 3 November 2007, the Chief of the Army Staff declared emergency in Pakistan and issued a Provisional Constitutional Order (PCO).
As sitting judges of Supreme Court of Pakistan, Mr. Abbasi along with Mr. Abdul Hameed Dogar, Mr. M. Javed Buttar, and Mr. Faqir Muhammad Khokhar immediately took the oath on PCO.
As per majority view the petition seeking relief to restrain Gen. Pervez Musharraf from contesting elections was not maintainable because no fundamental right of the person who challenged the candidature was Involved.
On 28 September 2007, Javed Iqbal along with Abdul Hameed Dogar, M. Javed Buttar, Muhammad Nawaz Abbasi, Faqir Muhammad Khokhar, and Falak Sher formed a majority opinion in holding that petition challenging General Pervez Musharraf candidature for the second term as the president as non-maintainable.