In Ames v. Quimby, the United States Supreme Court was asked to decide whether a contract between two parties was valid. The contract in question was between the plaintiff, Ames, and the defendant, Quimby. Ames had agreed to sell Quimby a piece of land for a certain sum of money. Quimby had agreed to pay the sum in installments. Quimby had paid the first installment but failed to pay the second. Ames then sued Quimby for breach of contract. The Supreme Court held that the contract was valid and enforceable. The Court noted that the contract was clear and unambiguous and that the parties had agreed to its terms. The Court also noted that the contract was supported by consideration, meaning that each party had given something of value in exchange for the other's promise. The Court held that Quimby was liable for breach of contract and ordered him to pay the remaining installments. The Court's decision in Ames v. Quimby established that contracts are binding and enforceable when they are clear and unambiguous and supported by consideration. This decision has been cited in numerous subsequent cases and is still used today to determine the validity of contracts.

In Ames v. Quimby, the United States Supreme Court was asked to decide whether a contract between two parties could be enforced when one of them had died before it was fully performed. The majority opinion held that the contract could not be enforced because it had not been completed by both parties while they were alive. However, Justice Field dissented from this decision and argued that contracts should still remain enforceable even after one party has passed away as long as there is evidence of an agreement between them prior to death. He reasoned that if a person enters into an agreement with another individual in good faith and then dies without fulfilling their obligations, those obligations should still stand for the benefit of their estate or heirs so long as there is proof of such an agreement existing at some point during their lifetime.