What is Antiqua Statuta?

Legal Definition
In England the statutes are divided into new and ancient statutes; since the time of memory; those from the time 1 R. I. to E. III., are called antiqua statuta – those made since, nova statuta.
-- Bouviers Law Dictionary
Legal Definition
Also called "Vetera Statuta." English statutes from the time of Richard I. to Edward III. 1 Reeve, Eng. Law, 227.
-- Black's Law Dictionary
Legal Definition
English statutes from 1189 to 1327.
-- Ballentine's Law Dictionary