lost grant

The fiction whereunder it is presumed from long possession and exercise of a right in real estate with acquiescence of the owner that there must have been originally a grant by the owner which has become lost. 25 Am J2d Ease § 39. The presumption that one, who has for a long time been m interrupted possession of real property and committing acts thereon ostensibly of a proprietary nature, maintained such possession and committed such acts under an ancient or lost grant of title. 3 Am J2d Adv P § 3.