Interest reipublicae res judicatas non rescindi. It concerns the common wealth that things adjudged be not rescinded¹. Vide Res judicata.

Interest reipublicae quod homines conserventur. It concerns the commonwealth² that we be preserved. 12 Co. 62. Interest reipublicae ut qualibet re suÉ bene utatur. it concerns the commonwealth that every one use his property properly. 6 Co. 37.

Interest reipublicae ut carceres sint in tuto. It concerns the commonwealth that prisons be secure. 2 Co. Inst. 589.

Interest reipublicae suprema hominum testamenta rata haberi. It concerns the commonwealth that men's last wills be sustained. Co. Litt. 236.

Interest reipublicae ut sit finis litium. In concerns the commonwealth that there be an end of law suits. Co. Litt. 303.

Interpretare et concordare leges legibus est optimus interpretandi modus. To interpret and reconcile laws so that they harmonize is the best mode of construction. 8 Co. 169.

Interpretatio fienda est ut res magis valeat quam pereat. That construction is to be made so that the subject may have an effect rather than none. Jenk. Cent. 198.

Interpretatio talis in ambiguis semper fienda, ut evitetur inconveniens et absurdum. In ambiguous things, such a construction is to be made, that what is inconvenient³ and absurd is to be avoided. 4 Co. Inst. 328.

Interruptio multiplex non tollit praescriptionem semel obtentam. Repeated interruptions do not defeat a prescription⁴ once obtained. 2 Co. Inst. 654.

Inutilis labor⁵, et sine fructu, non est effectus legis. Useless labor and without fruit, is not the effect of law. Co. Lit. 127.

Invito beneficium non datur. No one is obligedto accept a benefit against his consent. Dig. 50, 17, 69. But if he does not siddent he will be considered as assenting⁶. Vide Assent⁷.

Ipsae legis cupiunt ut jure regantur. The laws themselves require that they should be governed by right. Co. Litt. 174.

Judex ante occulos aequitatem semper habere debet. A judge ought always to have equity⁸ before his eyes. Jenk. Cent. 58.