Asif Saeed Khan Khosa was born on December 21 1954 at Dera Ghazi Khan. He passed his matriculation examination in the year 1969 from the Board of Intermediate and Secondary Education, Multan winning the National Talent Scholarship. As a student of Government College, Lahore he passed his intermediate Examination in the year 1971 fro the Board of Intermediate and Secondary Education, Lahore, securing first position in the Board and winning the National Talent Scholarship. Again as a student of Government College, Lahore he passed his B.A. Examination in the year 1973 from the University of the Punjab, securing first positioning in the University and winning the National Talent Scholarship. He secured hi M.A. degree in English Language and Literature from the University of the Punjab in the year 1975. After proceeding to the United Kingdom in year 1977 and then he obtained his LL.M. degree from University of Cambridge, United Kingdome in the year 1978 with specialization in Public International Law in the subjects of the Law of Peace, the Law of War and Armed Conflict, the Laos of International Institutions and the Law of Civil Liberties. He was called to the Bar on July 26, 1979 at the Honourable society of Lincoln’s Inn, London, United Kingdom and was conferred the degree of Utter Barrister.
Asif Saeed Khan Khosa was enrolled as an Advocate of the Lahore High Court on November 13, 1979and later as an Advocate of the Supreme Court of Pakistan on September 12, 1985. he practised law for few months before the District Courts at Dera Ghazi Khan and then for few years at he Multan Bench of the Lahore High Court before shifting his legal practice to Lahore.
During practice Mr. Khosa had authored two books, titled, Heeding the Constitution (1995) and Constitutional Apologues 1997.
Asif Saeed Khosa had been elevated to the Bench and appointed as a Judge of the Lahore High Court, Lahore with effect from May 21, 1998, on November 3, 2007 General Pervez Musharraf, President of Pakistan and also Chief of the Army Staff, imposed Emergency in the country, suspended the Constitution and required the members of the superior judiciary to take oath of office owning allegiance to his Provisional Constitution Order. Like the Chief Justice of Pakistan and an overwhelming majority of the Judges of the Supreme Court and of the provincial High Courts Justice Khosa also refused to take such fresh oath and thus, according to Genera Musharraf decree he and the other defiant Chief Justices and Judges ceased to hold their offices. However, as a result of the ensuing unprecedented, momentous and relentless movement launched by the lawyers of Pakistan, joined by the civil society and political workers across the board, seeking restoration of the deposed Judges General Pervez Musharraf President of Pakistan, resigned on august 18, 2008 under a threat of impeachment by the Parliament and Justice Khosa was restored to his office on August 30, 2008. During his deposed status Justice Khosa wrote his third book Judging with Passion.
Justice Asif Saeed Khan Khosa remained a member of the Administration Committee of the Lahore High Court, Lahore and was the Administration judge for Sessions/Criminal causes. Justice Khosa was elevated as Judge of the Supreme Court of Pakistan on February 18, 2010.