What is Legal Terms - Rule Against Perpetuities?

Legal Terms - Rule Against Perpetuities — Rule Against Perpetuities information: An old English rule that required an interest in real property must vest, if at all, within 21 years, plus a gestation period, of lives in being at the time of the creation of the interest. The rule still hold today. This is a difficult concept means to limit control from the grave. It prevents future divestment of property.