Understanding Quid Turpi Ex Causa Promissum Est Non Valet in Law

Definition & Meaning

The phrase "quid turpi ex causa promissum est non valet" translates to "a promise based on an immoral cause is not valid." This legal principle asserts that if a promise arises from an unethical or illegal consideration, it cannot be enforced in a court of law. This concept is rooted in the idea that the legal system does not support or reward immoral behavior.

Table of content

Real-world examples

Here are a couple of examples of abatement:

Example 1: A person agrees to pay another individual to commit a crime, such as theft. If the second party does not fulfill their end of the agreement, they cannot be held legally accountable for the promise, as it is based on an illegal act.

Example 2: A contract between two parties to engage in illegal gambling activities is unenforceable in court. (hypothetical example)

State-by-state differences

Examples of state differences (not exhaustive):

State Notes
California Contracts based on illegal activities are void and unenforceable.
New York Similar principles apply, but courts may consider the intent of the parties.
Texas Contracts founded on illegal considerations are generally not enforceable.

This is not a complete list. State laws vary, and users should consult local rules for specific guidance.

Comparison with related terms

Term Definition Difference
Void Contract A contract that is unenforceable by law. Quid turpi ex causa specifically addresses the immorality of the consideration.
Unconscionable Contract A contract that is so unfair to one party that it is voidable. Unconscionability focuses on fairness, while quid turpi ex causa focuses on morality.

What to do if this term applies to you

If you believe a promise or contract you are involved in may be based on immoral grounds, consider the following steps:

  • Review the terms of the agreement carefully.
  • Consult with a legal professional to understand your rights and options.
  • Explore US Legal Forms for templates that can help you address contract issues.

Quick facts

  • Typical fees: Varies by attorney and complexity of the case.
  • Jurisdiction: Applicable in all states, but interpretations may vary.
  • Possible penalties: None, as the contract is unenforceable.

Key takeaways

Frequently asked questions

It means a promise based on an immoral cause is not valid.