Legal Information Institute (LII)LII is a non-profit organization housed at Cornell University Law School that publishes information from all three branches of U.S. government. Available information includes all opinions of the United States Supreme Court handed down since 1992, over 600 earlier decisions selected for their historic importance, over a decade of opinions of the New York Court of Appeals, and the full United States Code and Code of Federal Regulations as well as all of the Federal Rules.