Summary

David Davis Barnard v. Kellogg — Opinion of the Court

Whatever tends to unsettle the law, and make it different in the different communities into which the state is divided, leads to mischievous consequences, embarrasses trade, and is against public policy. If, therefore, on a given state of facts, the rights and liabilities of the parties to a contract are fixed by the general principles of the common law, they cannot be changed by any local custom of the place where the contract was made.
Source: Wikisource

David Davis Barnard v. Kellogg — Opinion of the Court

General custom is a general law, and forms the law of contracts, and this sometimes, though it be at variance with their terms. It controls even the principles of law. Thus the right to the waygoing crops, days of grace, and time of protest, are regulated by the usage of the place or bank, and affect even those who have no notice of the custom. The ancient, established, uniform, and known custom of persons engaged in any trade, makes a law for that trade, though it is not applicable to other trades.
Source: Wikisource

David Davis Barnard v. Kellogg — Opinion of the Court

No principle of the common law has been better established, or more often affirmed, both in this country and in England, than that in sales of personal property, in the absence of express warranty, where the buyer has an opportunnity to inspect the commodity, and the seller is guilty of no fraud, and is neither the manufacturer nor grower of the article he sells, the maxim of caveat emptor applies.
Source: Wikisource

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