Prior tempore, potior jure
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
Prior in time, prior in right. See 9 Wheat. (TJ. S.) 24, 6 L. Ed. 23.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
He who is first in time is preferred lu right. Co. Litt. 14a; Broom, Max. 354, 358.