Estoppel is a legal principle designed to prevent a person from asserting something contrary to what they have previously implied or stated. This includes proprietary estoppel, which concerns rights relating to land or property. This course will cover: 1) what a proprietary estoppel claim is and its main elements; 2) the factors that the Court will consider in relation to a proprietary estoppel claim; and 3) two recent cases involving proprietary estoppel claims.