Estis v. Trabue was a Supreme Court case that was decided in 1824. The case involved a dispute between two individuals, Estis and Trabue, over a tract of land in Kentucky. Estis claimed that he had purchased the land from the United States government, while Trabue argued that he had a prior claim to the land. The Supreme Court ultimately sided with Estis, ruling that he had a valid claim to the land. The Court held that the United States had the right to sell the land to Estis, and that Trabue's prior claim was invalid. The Court also held that Estis had a valid title to the land, and that Trabue had no right to the land. This case established the principle that the United States government has the right to sell land to individuals, and that those individuals have a valid title to the land.

In Estis v. Trabue, the Supreme Court of Ohio held that a contract between two parties was not enforceable due to its lack of consideration. The dissenting opinion argued that the majority’s decision failed to consider the fact that both parties had entered into an agreement in good faith and with mutual understanding. Furthermore, it noted that there were other factors which could be taken into account when determining whether or not a contract is valid, such as estoppel and promissory estoppel. It also pointed out that while consideration may have been lacking in this particular case, it should not automatically invalidate all contracts without taking into account any other relevant facts or circumstances surrounding them. Ultimately, the dissent concluded by arguing for more flexibility when interpreting contractual agreements so as to ensure fairness for all involved parties regardless of their individual situations.