Usurpation

Torts. The unlawful assumption of the use of property which belongs to another; an interruption or the disturbing a man in his right and possession. Tomlins.

In public law. The unlawful seizure or assumption of sovereign power; the assumption of government or supreme power by force or illegally, in derogation of the constitution and of the rights of the lawful ruler.

— Usurpation of advowson. An injury which consists in the absolute ouster or dispossession of the patron from the advowson or right of presentation, and which happens when a stranger who bas no right presents a clerk, and the latter is thereupon admitted and instituted. Brown.

— Usurpation of franchise or office. The unjustly intruding upon or exercising any office, franchise, or liberty belonging to another.