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The Four Phases Of Promissory Estoppel, Eric Mills Holmes

Seattle University Law Review

Case law accurately delineates the four evolutionary stages of promissory estoppel. As an overview, promissory estoppel has evolved in American case law in four developmental stages: (1) Estoppel Phase, consisting initially of “defensive equitable estoppel” to estop contract defenses based on statutes of limitations and the statute of frauds. In the second part of this first phase, courts have extended “estoppel” based on representations of facts to “promissory” representations and enforced the promissory basis of the representation, thereby creating an affirmative theory of relief. Thus, this first phase of promissory estoppel consists of defensive equitable estoppel and offensive equitable estoppel. …