| Subject | Russian | English |
| gen. | бездоказательный, неосновательный | foundationless (Anglophile) |
| patents. | возврат неосновательного обогащения | restitution of an unjust enrichment |
| law | доктрина неосновательного промедления | doctrine of laches (Есенжан) |
| gen. | имущество, приобретённое вследствие неосновательного обогащения | Criminal property (Lavrov) |
| notar. | иск из неосновательного обогащения | action for unjustified enrichment |
| law | иск из неосновательного обогащения | action for money had and received |
| tax. | иск о возврате неосновательного обогащения | condictio-claim (ВолшебниКК) |
| gen. | неосновательная надежда | fond hope |
| law | неосновательная прибыль | improper profit (доход Lavrov) |
| gen. | неосновательное мнение | notionality |
| law | неосновательное обогащение | money had and received (Money Had And Received An action of assumpsit will lie to recover money to which the plaintiff is entitled, and which in justice and equity, when no rule of policy or strict law prevents it, the defendant ought to refund to the plaintiff, and which he cannot with a good conscience retain, on a count for money had and received. The 'Lectric Law Library – АД) |
| law | неосновательное обогащение | unjustified enrichment (vpoiske) |
| law | неосновательное обогащение | unfounded benefit (Alexander Matytsin) |
| patents. | неосновательное обогащение | unjust enrichment |
| lat. | неосновательное обогащение | condictiones sine causa (римское право Leonid Dzhepko) |
| gen. | неосновательное обогащение | unjust benefit (It is clear that any civilized system of law is bound to provide remedies for cases of what has been called unjust enrichment or unjust benefit, that is to prevent a man from retaining the money of or some benefit derived from another which it is against conscience that he should keep. WK Alexander Demidov) |
| law | неосновательное обогащение | unreasonable earnings (Alexander Matytsin) |
| law | неосновательное обогащение | unreasonable gains (Неосновательное обогащение имеет место при отсутствии у приобретателя правовых оснований на чужое имущество. Alexander Matytsin) |
| law | неосновательное обогащение | unjust enrichment (по Гражданскому кодексу РФ (см. ст.ст. 1102-1109); Unjust enrichment is a legal term denoting a particular type of causative event in which one party is unjustly enriched at the expense of another, and an obligation to make restitution arises, regardless of liability for wrongdoing. wiki. Where there is the inability, or unwillingness to pass on to customers a refund of a sum of money that, for all practical purposes, they paid to as VAT which wasn't due. HM Customs & Revenue Glossary. In law, unjust enrichment is where one person is unjustly or by chance enriched at the expense of another, and an obligation to make restitution arises, regardless of liability for wrongdoing.[1] A common example is when a party contracts to provide a service, but the contract is terminated prematurely due to a breach, and the contractor unjustly receives no compensation for partial services rendered. Wiki Alexander Demidov) |
| law | неосновательное обогащение | money had and received (Money Had And Received An action of assumpsit will lie to recover money to which the plaintiff is entitled, and which in justice and equity, when no rule of policy or strict law prevents it, the defendant ought to refund to the plaintiff, and which he cannot with a good conscience retain, on a count for money had and received. The 'Lectric Law Library Alexander Demidov) |
| gen. | неосновательное обогащение | unjustifiable enrichment (ABelonogov) |
| law | неосновательное промедление | laches |
| law, Scotl. | неосновательное промедление с предъявлением иска | taciturnity |
| busin. | неосновательное промедление с предъявлением иска | laches (1. Unreasonable delay or negligence in pursuing a right or claim – almost always an equitable one – in a way that prejudices the party against whom relief is sought. 2. The equitable doctrine by which a court denies relief to a claimant who has unreasonably delayed or been negligent in asserting the claim, when that delay or negligence has prejudiced the party against whom relief is sought. Cf. LIMITATION (3). BL Alexander Demidov) |
| obs. | неосновательное требование | misclaim |
| law | неосновательные претензии | arrogation (Право международной торговли On-Line) |
| adv. | неосновательный довод | shallow argument |
| gen. | неосновательный иск | unmaintainable action |
| math. | неосновательный класс | groundless class |
| law | неосновательный процесс | fub |
| law | неосновательный процесс | fob |
| notar. | обязательства из неосновательного обогащения | obligations arising from unjust enrichment |
| law | притязание, заявленное после неосновательного промедления | stale claim |
| law | притязание, предъявленное после неосновательного промедления | stale claim (Право международной торговли On-Line) |
| law | реституция из неосновательного обогащения | restitution for unjust enrichment (Leonid Dzhepko) |
| law | считать доводы неосновательными | find the arguments unjustified (о суде Leonid Dzhepko) |
| gen. | это неосновательный проект | the scheme is not defensible |
