Newcomb v. Wood was a United States Supreme Court case that dealt with the issue of whether a contract between two parties was valid. The case involved a contract between the plaintiff, Newcomb, and the defendant, Wood, in which Newcomb agreed to pay Wood a certain sum of money in exchange for the use of a certain piece of land. The contract was signed by both parties, but Wood later refused to honor the agreement. Newcomb then sued Wood for breach of contract, and the case eventually made its way to the Supreme Court. The Court held that the contract was valid and enforceable, and that Wood was liable for breach of contract. The Court reasoned that the contract was valid because it was signed by both parties, and that Wood had no legal basis to refuse to honor the agreement. The Court's decision in Newcomb v. Wood established that contracts are binding and enforceable, and that parties who sign a contract are obligated to honor it. This case is still cited today as an example of the importance of honoring contracts and the legal consequences of failing to do so.

Justice Field delivered the dissenting opinion in Newcomb v. Wood, arguing that the majority's decision was contrary to both law and justice. He argued that the plaintiff had a valid claim under California law for damages resulting from an injury caused by defendant's negligence, but because of a technicality in federal court procedure, his claim could not be heard. The Justice noted that this technicality should not prevent him from receiving compensation for his injuries since it would be unjust to deny him relief when he had suffered harm due to another person’s negligence. Furthermore, Justice Field argued that there were no legal grounds on which to reject plaintiff’s case as it did not conflict with any existing laws or precedents set forth by prior cases; rather than denying relief based on procedural matters such as jurisdiction or venue, courts should instead focus on providing equitable remedies whenever possible so long as they are consistent with established principles of law and justice. In conclusion, he urged the Court to reconsider its ruling and allow plaintiff’s case to proceed so he can receive just compensation for his losses caused by defendant’s negligent conduct.