In 2003, for the first time in its 170-year history, the United States Patent Office began awarding patents for novel legal innovations, in addition to traditional inventions such as the telephone or airplane. Commentators have accepted the Patent Office\u27s power to grant legal method patents, but at the same time have criticized this new type of patent on policy grounds. But no one has suggested that the Patent Office exceeded its authority by awarding patents for legal methods, until now. In the Patent Act of 1952, which is still in effect today, Congress established certain requirements for patentability, including a requirement that only inventions may be patented. The term invention, in turn, has been construed by the Supreme Court t...