Fauntleroy v. Lum

210 U.S. 230 (1908)

Quick Summary

Fauntleroy (plaintiff) sought to enforce a Missouri state court judgment against Lum (defendant) for debts arising from cotton futures speculation deemed illegal in Mississippi. The issue before the Supreme Court was whether this judgment should be recognized and enforced nationally despite originating from an illegal transaction.

The Supreme Court concluded that full faith and credit must be given to the Missouri judgment, rendering it enforceable even though it involved illegal activities under Mississippi law. This decision was reached on constitutional grounds, emphasizing the finality of judgments from courts with proper jurisdiction.

Facts of the Case

Mr. Fauntleroy (plaintiff) and Mr. Lum (defendant) were engaged in a dispute arising from speculative transactions in the cotton futures market that occurred in Mississippi. Lum, having lost money in the speculation, owed a debt to Fauntleroy. When Lum refused to repay, Fauntleroy initiated an arbitration proceeding that resulted in a judgment favoring him.

Subsequently, Fauntleroy brought a case to a Missouri state court to enforce the judgment against Lum. Lum contested the enforcement, asserting that the transactions were illegal under Mississippi law. However, the Missouri court issued a directed verdict in Fauntleroy’s favor, which Lum then appealed to the Mississippi Supreme Court.

Procedural Posture and History

  1. Lum and Fauntleroy engage in a speculative transaction in Mississippi.
  2. Lum refuses to repay debt leading to arbitration, resulting in a judgment for Fauntleroy.
  3. Fauntleroy seeks enforcement of the judgment in Missouri state court and wins.
  4. Lum appeals to the Mississippi Supreme Court, which finds in his favor.
  5. Fauntleroy appeals to the Supreme Court of the United States.

I.R.A.C. Format


Whether the judgment of a state court should be enforced by every other court in the United States, regardless of whether the original cause of action involved illegal transactions under the laws of the state where it arose.

Rule of Law

A judgment by a court with proper jurisdiction is conclusive and cannot be impeached in or out of the state by showing that it was based upon a misapprehension of law.

Reasoning and Analysis

The Supreme Court analyzed whether Mississippi’s prohibition against enforcing certain types of contracts went to the jurisdiction or the merits of the case. The Court concluded that the statute in question established a rule of decision rather than jurisdictional limits.

Therefore, the Mississippi courts had the power to enforce the Missouri judgment, even if it involved a transaction illegal under Mississippi law.

Furthermore, it was affirmed that judgments must be given full faith and credit as mandated by the Constitution and federal statutes. Since the Missouri court had proper jurisdiction and its judgment was conclusive on the validity of the cause of action, it could not be challenged due to an alleged error in interpreting Mississippi law.


The Supreme Court reversed the decision of the Mississippi Supreme Court, thus ruling in favor of Fauntleroy and enforcing the Missouri judgment.

Dissenting Opinions

Justice White, joined by Justices Harlan, McKenna, and Day, dissented, arguing that enforcing the Missouri judgment would effectively nullify Mississippi’s ability to enforce its own laws and policies, particularly those concerning illegal transactions within its own borders.

Key Takeaways

  1. The ‘full faith and credit’ clause requires courts to respect and enforce judgments from courts in other states if those courts had proper jurisdiction over the cases.
  2. The distinction between jurisdictional statutes and statutes establishing rules of decision is crucial when determining whether a judgment can be enforced.
  3. A judgment is conclusive on its merits and cannot be impeached by showing that it was based on a misunderstanding of law or involved an illegal transaction under state law.

Relevant FAQs of this case

What is the 'full faith and credit' clause and how does it promote legal uniformity across states?

The ‘full faith and credit’ clause is a provision in the U.S. Constitution that mandates all states to recognize and enforce the judicial proceedings, public acts, and records of every other state. This clause promotes legal uniformity by ensuring that decisions made by the courts in one state are respected and upheld across all other states, thus maintaining a coherent legal system across the country.

  • For example: If an individual has a judgment for debt from a court in Texas, they can depend on Florida courts to recognize and enforce that judgment, assuming it was obtained through appropriate jurisdiction and due process.

How does the distinction between jurisdictional issues and substantive laws impact the enforcement of judgments?

Understanding the difference between jurisdictional issues and substantive laws is fundamental to determining whether a judgment from another state should be enforced. Jurisdictional concerns relate to a court’s power to hear a case, whereas substantive laws dictate the legal principles governing the merits of the dispute. A court must have jurisdiction to issue a valid judgment; once it does so, that judgment is commonly respected nationally unless violating public policy or lacking due process.

  • For example: If New York issues a judgment based on its securities laws, California may not re-examine the merits based on its own laws but would need to enforce it, provided New York had proper jurisdiction.

Can a legal judgment be invalidated if it's later revealed that it was based on an illegal transaction?

Typically, a legal judgment cannot be invalidated solely because it arises from an activity that would be deemed illegal where enforcement is sought. Once a court with proper authority adjudicates a matter, its judgment is usually conclusive, despite any potential illegality involved in the underlying transaction. This is supported by the principle of finality of judgments.

  • For example: A Nevada court’s judgment rewarding gambling debts may need to be enforced by courts in another state where gambling is illegal, except where enforcement contravenes that state’s public policy.


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