''Casu consimili'' was a

writ In common law, a writ (Anglo-Saxon ''gewrit'', Latin ''breve'') is a formal written order issued by a body with administrative or judicial jurisdiction; in modern usage, this body is generally a court. Warrants, prerogative writs, subpoenas, a ...

of entry, where a tenant by courtesy, or for life, transfers property to another in fee or in tail, or for another's life. Such writs were first introduced into mediaeval English law in 1285 in Statute of Westminster II. An example, dated 1412, can be viewed in the Plea Rolls of the Court of Common Pleas.third entry in: http://aalt.law.uh.edu/H4/CP40no605/bCP40ono605dorses/IMG_1167.htm; Elias Tagge, as plaintiff

References

Writs {{UK-law-stub