In the case of Parmelee v. Lawrence, the Supreme Court of the United States was asked to decide whether a contract between two parties was valid. The plaintiff, Parmelee, had entered into a contract with the defendant, Lawrence, to purchase a piece of land. Parmelee had paid a portion of the purchase price and was in the process of paying the remainder when Lawrence refused to complete the sale. Parmelee then sued Lawrence for breach of contract. The Supreme Court held that the contract was valid and enforceable. The Court noted that the parties had agreed to the terms of the contract and that Parmelee had paid a portion of the purchase price. The Court also noted that Lawrence had accepted the payment and had not objected to the terms of the contract. Therefore, the Court held that Lawrence was obligated to complete the sale and that Parmelee was entitled to damages for breach of contract. The Court's decision in Parmelee v. Lawrence established that a contract is valid and enforceable when the parties have agreed to the terms and one party has paid a portion of the purchase price. This decision has been cited in numerous subsequent cases and is still used today to determine the validity of contracts.

In the case of Parmelee v. Lawrence, the Supreme Court was tasked with determining whether a contract between two parties could be enforced if it had been made in violation of an existing state law. The majority opinion held that such contracts were not enforceable and should be declared void by courts. However, Justice Field dissented from this ruling on the grounds that there is no general rule which states that all contracts made in violation of state laws are necessarily invalid or unenforceable. He argued instead for a more nuanced approach to evaluating these cases on their own merits rather than relying upon blanket rules which may not always apply to every situation. In particular, he noted that when both parties have acted in good faith and without any intention to violate any laws then they should still be allowed to enforce their agreement as long as it does not conflict with public policy or morals.