from
Bouvier's Law Dictionary, Revised 6th Ed (1856)
JUS AD REM. property, title. This phrase is applied to designate the right a
man has in relation to a thing; it is not the right in the thing itself, but
only against the person who has contracted to deliver it. It is a mere
imperfect or inchoate right. 2 Bl. Com. 312 Poth. Dr. de Dom. de Propriete,
ch. prel. n. 1. This phrase is nearly equivalent to chose in action. 2
Woodes. Lect. 235. See, 2 P. Wms. 491; 1 Mason, 221 1 Story, Eq. Jur. 506;
2 Story, Eq. Jur. Sec. 1215; Story, Ag. Sec. 352; and Jus in re.