Promissory Estoppel

by / ⠀ / March 22, 2024

Definition

Promissory Estoppel is a legal principle that prohibits a party from denying or going back on a promise that caused another party to act or rely on that promise to their detriment. It is used to prevent unfairness or injustice when one party changes their position significantly based on a promise made by another, whose later denial of this promise would hurt the first party. Essentially, it stops one from breaking a promise that another has significantly relied on.

Key Takeaways

  1. Promissory Estoppel is a legal principle that enforces a promise, even if it was made without a formal agreement or consideration, in order to prevent injustice and avoid harm to the promisee who has relied on the promise.
  2. This concept primarily applies in cases where a promisor has made a promise that the promisee has acted upon, to their detriment. If the promisor retracts their promise, the promisee can use promissory estoppel to recover the costs or losses they incurred due to their reliance on the promise.
  3. Promissory estoppel can be used both as a shield and a sword: as a shield, it can prevent a party from going back on their word and as a sword, it can be used to enforce the promise if the promisee suffered a detriment due to the reliance on the promise.

Importance

Promissory Estoppel is a crucial concept in finance and law as it plays an integral role in contractual agreements.

Essentially, it comes into effect when a promise has been made which the promisee depends on, only to have the promisor try to go back on their commitment.

It’s an important protection mechanism, ensuring that a party doesn’t suffer loss or bear unfair consequences due to the change of heart or dishonesty of another party.

This particular legal principle helps maintain fairness and accountability in business transactions by ensuring that parties involved honor their agreements or promises, even in situations where a formal contract may not exist.

Hence, it fosters trust, consistency, and integrity in both personal and commercial relationships.

Explanation

Promissory Estoppel plays a pivotal role in contract law, especially in situations where a contract is not yet formalized. Its essential purpose is to prevent one party from backing out of a seemingly clear promise made to the other party, with the understanding that the promise would be fulfilled.

The doctrine of promissory estoppel stops a person from arguing that an underlying promise that induced a detrimental action should not be legally binding due to lack of consideration. This principle is largely used in cases where an individual makes a specific promise that causes another person to expend time, money, or resources on the expectation that the promise will be fulfilled.

If the original promise is then not kept, the person who relied on said promise has the right to recover their lost expenses. For example, if a buyer tells a supplier to manufacture goods with the promise that the buyer will pay for them, and then refuses to do so, the doctrine of promissory estoppel allows the supplier to recover the costs incurred in preparing those goods.

It’s in such instances that the doctrine offers protection against injustice and ensures fairness.

Examples of Promissory Estoppel

Promissory estoppel is a legal principle that a promise is enforceable by law, even if made without formal consideration, when a promisor has made a promise to a promisee who then relies on that promise to his subsequent detriment. Here are three real-world examples:

Employment Contracts: An employee may turn down other job offers based on an oral promise from a prospective employer for a particular salary or job title. If the employer later reneges on the promise, the employee may be able to seek legal recourse through promissory estoppel.

Property Agreements: A landlord may promise a tenant that they will renew their lease at the same rate. Based on this promise, the tenant decides not to seek alternative housing. If the landlord later reneges and increases the rent, the tenant could potentially bring a law suit against the landlord based on promissory estoppel.

Educational Funding: A student receives a promise from an uncle to pay his college tuition, based on which the student enrolls in the university and incurs various other ancillary costs. If the uncle later refuses to fulfill his promise, the student may be able to sue him under the concept of promissory estoppel.

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Frequently Asked Questions about Promissory Estoppel

What is Promissory Estoppel?

Promissory estoppel is a legal principle that allows a party to recover on a promise, even in the absence of a formal contract. It prevents a person from arguing something contrary to a promise they have made on which another person has reasonably relied, and as a result, suffered a detriment.

How does Promissory Estoppel work?

Promissory estoppel applies when a party makes a promise to another party, knowing that the other party will rely on that promise. When the relying party suffers a detriment as a result of their reliance, the promisor is estopped, or prevented, from reneging on their promise.

Is a written contract required for Promissory Estoppel?

No, a written contract is not required. Promissory estoppel can apply when a contract does not exist. The key element is that a promise was made by one party, and the other party relied on it to their detriment.

What are the elements of Promissory Estoppel?

The general elements of promissory estoppel are a promise by one party, reliance on that promise by another party, and detriment suffered as a result of that reliance. The person claiming promissory estoppel must show that it was reasonable and foreseeable for them to rely on the promise.

What is a common example of Promissory Estoppel?

An example of promissory estoppel is when a parent promises to pay for their child’s college tuition, the child relies on this promise and enrolls in college, and then the parent reneges on the promise. The child can use promissory estoppel to try and enforce the parent’s original promise.

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Related Entrepreneurship Terms

  • Contract Law
  • Consideration
  • Legal Enforceability
  • Detrimental Reliance
  • Equitable Doctrine

Sources for More Information

  • Investopedia: They offer comprehensive articles, glossary terms, and tutorials on a wide range of topics, including promissory estoppel.
  • Legal Information Institute – Cornell University Law School: This source provides trusted legal definitions and explanations, including detailed information on promissory estoppel.
  • The Balance: A personal finance website that excels in explaining complex economic and financial concepts, such as promissory estoppel, in simple terms.
  • Corporate Finance Institute: Offers financial resources and learning materials, including a glossary with finance and legal terms like promissory estoppel.

About The Author

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