Shelley’s Case refers to a historic common law rule of property and succession which converted certain successive interests in land into a single estate in the first taker. Classically, where land was limited “to A for life, and after A’s death to the heirs of A”, the rule operated so that A took a fee simple (or fee tail), and A’s “heirs” took nothing as purchasers. The rule, originating in the English case Wolfe v Shelley (1581), treated “heirs” as words of limitation, not of purchase.In modern practice in England and Wales, and Northern Ireland, the Rule in Shelley’s Case has been abolished by statute for new dispositions, but may still be relevant when construing older instruments, particularly strict settlements and pre‑1926 conveyances. In Ireland, it has also been effectively superseded by legislation but can arise in historical title and succession disputes. Scotland, with its distinct property law, did not apply the rule in the same way, though analogous issues of interpretation of “heirs” appear in older feudal grants. Today, Shelley’s Case is mainly of academic and interpretative importance in real property law, conveyancing, trusts, and will construction.