In jure proprio
Defined in 4 dictionaries — Ballentine's (1916), Bouvier (1914), Black's (1910), Black's (1891)
Ballentine's Law Dictionary
James A. Ballentine · 1916
In one own right.
Bouvier's Law Dictionary and Concise Encyclopedia
John Bouvier; revised by Francis Rawle · 1914
In one’s right Hale, Anal. § 26.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In one's own right. Hale, Anal. § 26.
A Dictionary of Law
Henry Campbell Black · 1891
In one’s own right. Hale, Anal. § 26.