Mr. Kuo studied at the Futan College, Woosung and graduated in 1910. Later he took a post-graduate work in the law department of Peiyang University and graduated at the university in 1914.
After his graduation he joined the Ministry of Foreign Affairs, having successfully passed the diplomatic service examinations. He remained in the ministry until 1916 when he was sent by the government to America to make further study on international law and diplomacy in the post-graduate school of Columbia University, New York.
Before his graduation at Columbia, peace was declared, and Mr. Kuo was instructed by the Chinese government to go to Europe as a staff member of the Chinese delegation to the Peace Conference. When the delegation reached Europe he was appointed secretary to Dr. C. T. Wang, one of the five Chinese members to the conference.
Mr. Kuo returned to China in December of 1919 and rejoined the Ministry of Foreign Affairs. He received the rank of Assistant Secretary of the Ministry. In September 1920 he was appointed a compiler of the Law Codification Commission. In November 1920 he was made a member of the commission to study the peace treaty, and of the commission to study the problems of jurisdiction. He was chosen by Dr. Wang Chung-hui, in March 1921 to accompany him to Europe in the capacity of secretary when the latter was invited by Dr. Drummond, Secretary-General of the League of Nations, to be Chinese member of the commission to study the proposals for the amendments of the League Covenant. In May 1922 Mr. Kuo was awarded the Third Class Chiaho.
Mr. Kuo was a Chinese scholar. He wrote a book in Chinese on evidence for the Guild of Chinese Judiciaries, which he dedicated to his father “who spared no effort in providing me with a legal education”.