American Institute of International Law was an international scientific association for the study and progress of international law in the Americas. The idea to form an organization that would codify international law was established at a meeting of the Third Committee of American Jurists in Rio de Janeiro on July 16, 1912. The institute was founded on October 12, 1912 by James Brown Scott and Alejandro Alvarez, and inaugurated December 29, 1915 at the Second Pan American Scientific Congress, held in Washington D.C. On January 6, 1916, it adopted a Declaration of the Rights and Duties of Nations. The Declaration differed from other projects of a like kind in that it was not based solely upon philosophic principles, but was based exclusively upon decisions of the Supreme Court of the United States.
The goals of the institute were: