Duhaime's Law Dictionary

U
Legal definitions for terms and concepts beginning with U

Uberrimae Fidei
Latin: of the utmost good faith.
Ubi Eadem Ratio, Ibi Idem Jus
Latin: Where there is the same reason, there is the same law
Ubi Jus Ibi Remedium
Latin: For every wrong, the law provides a remedy.
Ubi scelus est id, quod non prosicit scire, jubemus (insurgere) leges, armari jura gladio ultore, ut exquisitis poenis subdantur infames, qui sunt, vel qui futuri sunt rei
Latin: Where that infamy exists,which ought not to be known, we commend the laws to be enforced and the authorities be armed with the avenging sword, that those infamous wretches may be overwhelmed with the severest punishment, who are, or shall be guilty of this crime.
UIFSA
The American uniform child and spousal support legislation, the Uniform Interstate Family Support Act already adopted and implemented by most states.
Ultrahazardous Activity
Activities that can cause injury to others, even when conducted with the greatest prudence and care.
Ultra Petita
Latin: beyond that which is sought.
Ultra Vires
Latin: beyond the powers.
Umpire
Another word for an arbitrator or an arbitrator appointed to resolve an arbitration when the original arbitrators cannot agree.
Unbundling Legal Services
A retainer (contract) with a lawyer for legal services of limited scope.
UNCITRAL
Acronym of the United Nations Commission on International Trade Law; also known in law as the abbreviation in reference to arbitration rules and laws published by that agency.
Unconscionable
A bargain or contract which is clearly unfair, exorbitant, harsh, contrary to common sense or good conscience.
Underground Stream
Waters that flow underground within a reasonably water that passes through or under the surface in an ascertainable channel.
Under Protest
A qualification made to a legal action taken by a person that the action is contrary to the intent or desire of the person making the protest.
Undertaking
An unequivocal declaration of intention made by a lawyer in the course of his/her practice, addressed to someone who reasonably places reliance on it.
Undue Hardship
Special or specified circumstances that partially or fully exempt a person from performance of a legal obligation so as to avoid an unreasonable or disproportionate burden or obstacle.
Undue Influence
The unconscientious use by one person of his/her power over another in order to induce the other to compromise a property right.
Unfair Dismissal
A dismissal of an employee in the absence of a substantial reason.
Unfavourable Witness
When a witness called by a party merely gives unfavorable answers to questions posed during examination in chief, that party may not cross examine the witness but may still lead evidence in contradiction.
Union
A defined group of employees formed for the purposes of representing those employees with the employer as to the terms of a collective contract of employment.
Union Shop
A place of employment where only union members are employed or persons who must join a specified union within a certain deadline.
United Kingdom
England and Wales with Scotland (forming Great Britain), and Northern Ireland.
United States
The territory over which the sovereignty of the United States extends.
United States Code
Codified collection of federal legislation in the United States.
Unitrust
A trust which in the distribution of benefits from time to time to the beneficiary, pools capital and income, and does not otherwise distinguish between the capital of the trust and the income of the trust for the purposes of establishing interim payments to a beneficiary.
Universal Jurisdiction
Jurisdiction over the offender of a heinous crime that is universally condemned internationally even though neither offender nor victim may be citizens.
Unjust Enrichment
Benefiting from the action or property of another without legal justification.
Unlawful Assembly
Three or more persons together holding the intent to commit a crime or to otherwise disturb the peace.
Unlawful Combatant
A combatant who does not act under orders or with a distinctive uniform and conceals arms and otherwise ignores the laws and customs of war.
Unlawful Interference with Economic Interests
An intentional and economic tort; one person using unlawful means with the object and effect of causing economic or other damage to another.
Unnatural Will
A will which differs from what might of been otherwise expected of a testator such as a large gift to a stranger, or the exclusion of his children from his estate.
URESA
Uniform Reciprocal Enforcement of Support Act of the United States.
Urology
Specialty in medicine that deals with the male and female urinary tracts and the male genitalia.
Use
Latin: trust.
Usufruct
The rights to the product of another's property.
Usury
Excessive or illegal interest rate.
Uterine
Related to the uterus or, in estate law, siblings issue of a common mother.
Utile Per Inutile Non Vitiatur
Latin: That which is useful is not vitiated by that which is useless.
Ut Res Magis Valeat Quam Pereat
Latin: It is better for a thing to have effect than to be made void.
Uzi Machine Gun
A sub-machine gun using a blowback mechanism with a bolt that wraps around the end of the barrel, and empty cases ejected through slots in the body.
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