ancient-lights doctrine

The common-law principle by which a landowner acquired, after 20 years of uninter-rupted use, an easement preventing a neighbor from building an obstruction that blocks light from passing through the landowner’s window. • The window (or other opening) is termed an ancient light. This doctrine has rarely been applied in the United States. — Also […]

ancient-lights doctrine. The common-law principle by which a landowner acquired, after 20 years of uninter-rupted use, an easement preventing a neighbor from building an obstruction that blocks light from passing through the landowner’s window. • The window (or other opening) is termed an ancient light. This doctrine has rarely been applied in the United States.