This Practice Note looks at the acquisition of easements by prescription (long user) at common law, under the doctrine of lost modern grant, and by statute (under the Prescription Act 1832). It covers how a claim is established under each of these methods, the extent of the right acquired and additional factors to be taken into consideration when either the dominant or the servient tenement is subject to a tenancy. It also considers whether an easement acquired by long use can be protected by registration at HM Land Registry. Presumed grant An easement may be established by long use: • at common law • under the doctrine of lost modern grant (a species of common law prescription) • by statute (under the Prescription Act 1832 (PA 1832)) The doctrine of prescription is a mode of establishing an easement, not creating one. It is based on the presumption of a grant, ie that the easement has validly existed before the claim is made, but has been lost or destroyed. The presumption arises from the