In the case of Philip et al. v. Nock, the Supreme Court of the United States was asked to decide whether a contract between two parties was valid. The plaintiffs, Philip et al., had entered into a contract with the defendant, Nock, to purchase a parcel of land. The contract stated that the plaintiffs would pay Nock a certain amount of money for the land, and that Nock would then convey the land to the plaintiffs. However, Nock failed to convey the land to the plaintiffs, and the plaintiffs sued 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 all of its terms. The Court also noted that the plaintiffs had performed their part of the contract by paying the agreed-upon amount of money. Therefore, the Court held that Nock was liable for breach of contract and ordered him to convey the land to the plaintiffs.

In the case of Philip et al. v. Nock, the Supreme Court was asked to decide whether a contract between two parties could be enforced when one party had already received part of what they were promised in exchange for their services and then refused to complete their end of the agreement. The majority opinion held that such contracts are enforceable, but Justice Field dissented from this ruling on several grounds. He argued that if a person has been paid for some or all of their work under an agreement, it would be unjust to force them into completing the rest without additional compensation since they have already fulfilled part of their obligation and should not be expected to do more than what is fair and equitable under these circumstances. Furthermore, he believed that allowing people who have partially performed a contract to escape liability would encourage dishonesty by encouraging those entering into agreements with others not to fulfill their obligations fully or honestly as there would never any consequences for doing so.