Patent Office power has grown immensely in this decade, and the agency is wielding its power in predictably troubling ways. Like other agencies, it injects politics into its decisions while relying on technocratic justifications. It also reads grants of authority expansively to aggrandize its power, especially to the detriment of judicial checks on agency action. However, this story of Patent Office ascendancy differs from that of other agencies in two important respects. One is that the U.S. patent system still remains primarily a means for allocating property rights, not a comprehensive regime of industrial regulation. Thus, the Patent Office cannot yet claim broad autonomy to make substantive political judgments. Indeed, the agency until...