The United States Court of Private Land Claims rules James Reavis's claim to Barony of Arizona is "wholly fictitious and fraudulent."

The United States Court of Private Land Claims (1891–1904) was an ad-hoc court created to decide land claims guaranteed by the Treaty of Guadalupe Hidalgo, in the territories of New Mexico, Arizona, and Utah, and in the states of Nevada, Colorado, and Wyoming.

James Addison Reavis, later using the name James Addison Peralta-Reavis, the so-called Baron of Arizona, was an American forger and fraudster. He is best known in association with the Peralta land grant, also known as the Barony of Arizona, a pair of fraudulent land claims, which if certified, would have granted him ownership of over 18,600 square miles (48,200 km²) of land in central Arizona Territory and western New Mexico Territory. During the course of the fraud, Reavis collected an estimated US$5.3 million in cash and promissory notes through the sale of quitclaims and proposed investment plans.