Corporate mortmain is legal in most countries today. In a person's making of their own trusts, provisions and settlements, to newly proposed founded bodies or groups of persons, there are commonly still laws against perpetuities, preventing their "dead hand" from prevailing more than, for example, 80 years away and there is the common law rule in "Saunders v Vautier" enabling all of the adult beneficiaries to draw special legal agreements together to override any historic provisions. See rule against perpetuities – each rule varies by jurisdiction.