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Promissory Estoppel

Contract and Property Doctrine

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Origin 1877, Hughes v Metropolitan Railway Co.; revived 1947 in Central London Property Trust Ltd v High Trees House Ltd; restated 1932 in the Restatement of Contracts section 90.

Promissory estoppel is a doctrine of contract law that allows a promise to be enforced even without the formal consideration ordinarily required to form a binding contract, where the promisee has reasonably and detrimentally relied on the promise. First articulated in English law in Hughes v Metropolitan Railway Co. (1877), it was largely dormant until Lord Denning revived it in Central London Property Trust Ltd v High Trees House Ltd (1947); in the United States it is generally stated, per the Restatement (Second) of Contracts section 90, as binding where a promise is one the promisor should reasonably expect to induce action or forbearance of a definite and substantial character.

Facts
Origin Period
1877, Hughes v Metropolitan Railway Co.; revived 1947 in Central London Property Trust Ltd v High Trees House Ltd; restated 1932 in the Restatement of Contracts section 90. 1
Core Principle
A promise the promisor should reasonably expect to induce action or forbearance of a definite and substantial character on the part of the promisee, and which does induce such action or forbearance, is binding if injustice can be avoided only by enforcement of the promise. 1
Cross-Tradition Connections

In Legal System

Sources
1. Promissory Estoppel (Wikipedia)
WikipediaOrigin section, quoting Restatement (Second) of Contracts section 90
Quote, Origin section, quoting Restatement (Second) of Contracts section 90
A promise which the promisor should reasonably expect to induce action or forbearance of a definite and substantial character on the part of the promisee and which does induce such action or forbearance is binding if injustice can be avoided only by enforcement of the promise.
View the Source
1. Promissory Estoppel (Wikipedia)
WikipediaIn Legal System: Common LawView the Source
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