from
Bouvier's Law Dictionary, Revised 6th Ed (1856)
QUAE EST EADEM, pleading. Which is the same.
2. When the defendant in trespass justifies, that the trespass
justified in the plea is the same as that complained of in the declaration;
this clause is called quae est eadem. Gould. Pl. c. 3, s. 79, 80.
3. The form is as follows: "which are the same assaulting, heating and
ill-treating, the said John, in the said declaration mentioned, and whereof
the said John hath above thereof complained against the said James." Vide 1
Saund. 14, 208, n. 2; 2 Id. 5 a, n. 3; Archb. Civ. Pl. 217.