Research on the Doctrine of Promissory Estoppel

Doctrine of promissory estoppel is the unique content of common law contracts.It imposes the legal liability on the basis of the promisee’s reliance damage.This doctrine appeared in the judicial practice of the 19th century,and was formally established in the 20th century.American Restatement of Contracthas also provided this doctrine.The application and the nature of promissory estoppel is somewhat different in the contract law of the U.S.and U.K..Definitely the doctrine of promissory estoppel has posed great challenge against the traditional theory of consideration,but it cannot replace the latter.