Hartley_v_Ponsonby
Hartley v Ponsonby [1857] 26 LJ QB 322 is a leading judgment on the subject of consideration in English contract law. The judgment constituted an amendment to the precedent set by Stilk v Myrick[1] that allowed contractual duties to be considered valid consideration for a future contract if the duties had changed to the extent that the original contract is considered discharged.