Valeat Quantum Valere Potest Law and Legal Definition

The maxim Valeat quantum valere potest means let it have effect to such extent as it can have effect. The maxim is applicable to almost every legal transaction. In wills, the method of the courts has been not to set aside the intent because it cannot take effect so fully as the testator desired, but to let it work as far as it can. [Edgerly v. Barker, 66 N.H. 434, 463 (N.H. 1891)].