In Merchants' Insurance Company v. Allen, the Supreme Court of the United States was asked to decide whether a contract of insurance was valid and enforceable. The case involved a contract of insurance between Merchants' Insurance Company and the respondent, Allen. Allen had purchased a policy from Merchants' Insurance Company that provided coverage for his property in the event of a fire. The dispute arose when Allen's property was damaged by a fire. Allen sought to recover the amount of the policy from Merchants' Insurance Company, but the company refused to pay, arguing that the policy was invalid and unenforceable. The Supreme Court held that the policy was valid and enforceable, and that Allen was entitled to recover the amount of the policy from Merchants' Insurance Company. The Court reasoned that the policy was valid and enforceable because it was supported by consideration, and that the parties had agreed to the terms of the policy. The Court also noted that the policy was not void for any public policy reasons, and that the parties had the capacity to enter into the contract. In conclusion, the Supreme Court held that the policy was valid and enforceable, and that Allen was entitled to recover the amount of the policy from Merchants' Insurance Company.

Justice Field delivered the dissenting opinion in Merchants' Insurance Company v. Allen, arguing that the majority's decision was wrongfully based on a misreading of the contract between parties. He argued that under New York law, which governed this case, an insurer is liable for any loss or damage caused by fire to property insured unless it can be proven that such loss or damage was due to fraud or arson committed by either party. The policy at issue did not contain any language excluding coverage for losses resulting from arson and thus should have been interpreted as providing full coverage for all damages caused by fire regardless of its origin. Furthermore, Justice Field noted that even if there had been exclusionary language in the policy regarding arson-related losses, it would still be unenforceable since public policy does not allow insurers to exclude liability when they are aware of potential risks associated with their policies. In conclusion he stated his belief that because no evidence existed proving fraud or arson on behalf of either party and because there were no exclusions related to arson in the insurance contract itself, Merchants' Insurance Company should have been held liable for all damages incurred as a result of the fire incident at hand.