シャーマン法
In 1887, David K. Watson was elected Attorney General of the state of Ohio, and he immediately initiated an antitrust lawsuit against Standard Oil, under the authority of the Sherman Antitrust Act. The case was filed before the Supreme Court of Ohio in May 1890, On March 2, 1892, the Supreme Court of Ohio ruled that the Standard Oil Trust was in violation of the Sherman Antitrust Act, and ordered the trust dissolved. Despite the court's order, the Standard Oil Trust continued to operate as usual (although its trustees were now called "Liquidating Trustees").