In Bank of the Metropolis v. William Jones, the Supreme Court was asked to decide whether a bank could sue an individual for payment on a note that had been endorsed by another person. The plaintiff in error, Bank of the Metropolis, argued that it should be able to recover from Jones because he had accepted and endorsed the note as security for his own debt with another party. However, Jones argued that he did not accept or endorse the note himself and thus should not be held liable for its repayment. The Supreme Court ultimately sided with Jones and found that since there was no evidence showing he ever accepted or endorsed it himself, he could not be held responsible for repaying it. This decision established precedent which has been followed in subsequent cases involving similar issues regarding liability on notes without direct acceptance or endorsement by individuals involved in their transfer between parties.

In Bank of the Metropolis v. William Jones, Justice McLean delivered a dissenting opinion in which he argued that the Court should not have granted judgment for the plaintiff on its assumpsit count. He reasoned that while it was true that there had been an agreement between the parties to pay interest on a note, this did not necessarily mean that such payment would be enforceable by law. Instead, Justice McLean suggested that if any legal action were to be taken against Jones for nonpayment of interest then it should have been done through an action of debt and not assumpsit as assumed by the majority opinion. Furthermore, he noted how even though there may have been some evidence presented at trial regarding damages suffered due to nonpayment of interest, these damages could only be recovered through an action in debt and thus could not form part of any judgment rendered under assumpsit. In conclusion, Justice McLean concluded his dissent with a reminder about how courts must always adhere strictly to established principles when deciding cases so as to ensure fairness and justice is served regardless of who is involved or what type case is being decided upon.