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Quora
quora.com › What-is-the-difference-between-a-void-and-a-void-ab-initio-contract-with-an-example-of-each
What is the difference between a void and a void ab initio contract with an example of each? - Quora
Answer (1 of 5): Going in reverse, void ab initio means “void/invalid from the outset,” and refers to an agreement that is has no legal effect from its inception. Examples would include contracts to accomplish illegal goals, such as murder ...

Latin term meaning "from the beginning"

Ab initio (/ˌæb ɪˈnɪʃioʊ/ AB in-ISH-ee-oh) is a Latin term meaning "from the beginning" and is derived from the Latin ab ("from") + initio, ablative singular of initium ("beginning"). Ab initio was … Wikipedia
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Wikipedia
en.wikipedia.org › wiki › Ab_initio
Ab initio - Wikipedia
4 days ago - "Void ab initio" is often contrasted with "voidable" in futuro, such documents which become void only as of the date of a certain event or of the judicial declaration to that effect.
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Free Thesaurus
freethesaurus.com › Ab-initio
Ab-initio synonyms, Ab-initio antonyms - FreeThesaurus.com
Synonyms for Ab-initio in Free Thesaurus. Antonyms for Ab-initio. 7 synonyms for ab initio: from the beginning, from the start, from the first, from scratch, from the word go, from first principles, initially. What are synonyms for Ab-initio?
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Westlaw
content.next.westlaw.com › Glossary › PracticalLaw › I41334c8d07ef11ebbea4f0dc9fb69570
Glossary | Practical Law - Legal Resources & Know-How for Professionals
Enter to open, tab to navigate, enter to select · US Home Global Home NEW · Contact Us · Training and support · 1-800-WESTLAW (1-800-937-8529)
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UpCounsel
upcounsel.com › void-ab-initio-agreement
Check out this article...Void Ab Initio Meaning and Its Impact on Contracts
Fraudulent Contracts: If consent was obtained through identity theft or fraudulent representation, the agreement is void from the beginning. Contracts Lacking Mutual Assent: If the parties were never truly aligned in understanding, the contract may be invalidated ab initio.
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Legal Explanations
legal-explanations.com › definition › ab-initio
Ab Initio Definition - What Does Ab Initio Mean?
If a contract is entered into by a person who lacks the legal capacity to do so, it may be declared void ab initio. Ex nunc - this Latin phrase means "from now on" and is the opposite of ab initio.
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Cambridge Dictionary
dictionary.cambridge.org › dictionary › english › ab-initio
AB INITIO | English meaning - Cambridge Dictionary
... This example is from Wikipedia and may be reused under a CC BY-SA license. If the court declares the last in a series of wills to be invalid "ab initio", the deceased is deemed to have died intestate.
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Law Insider
lawinsider.com › dictionary › void-ab-initio
Void ab initio Definition | Law Insider
July 7, 2025 - Void ab initio means “null from the beginning, as from the first moment when a contract is entered into,” whereas “voidable” means “valid until annulled; especially, (of a contract) capable of being affirmed or rejected at the option ...
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Westlaw
content.next.westlaw.com › practical-law › document › I41334c8d07ef11ebbea4f0dc9fb69570 › Void-ab-initio
Void ab initio | Practical Law
Ab initio is usually italicized because it is a Latin term that means from the beginning. Void and void ab initio have the same technical definition, but void ab initio is a stronger term that is less likely to be improperly confused with voidable.
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Quora
quora.com › What-is-“void-ab-initio”
What is “void ab initio”? - Quora
Answer (1 of 3): Void ab initio is something that is void from its outset. That means void from its beginning it is a legal term and can be understood from following example Suppose i hire a contract killer to kill some one and promise to pay him 100 k in cash if he kills that peeson. Now after ...
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Reverso
mobile-dictionary.reverso.net › en › english-synonyms › is+void+ab+initio
is void ab initio synonym | English synonyms dictionary | Reverso
3 dead, ineffective, ineffectual, ... , adj · 1 abounding, complete, filled, full, occupied, replete, tenanted ... Latin expression; the opposite of "ab extra"....
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De Gruyter Brill
degruyterbrill.com › document › doi › 10.1515 › icl-2023-0034 › html
The Void Ab Initio Theory in Comparative Perspective: J Marshall, H Kelsen, and Beyond
September 1, 2023 - The paper argues that the void ab initio theory goes far beyond the time-factor of judicial review, having two complementary aspects: 1) The void ab initio theory is tied to a robust theory of negative liberty; and substantive criminal law is its privileged field of application.
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SSRN
papers.ssrn.com › sol3 › papers.cfm
Unenforceability of a Contract: A Comparative Analyses of the Doctrines of Void, Voidable and Void Ab Initio Contracts in Pakistan by Amr Ibn Munir :: SSRN
August 28, 2023 - The main findings of this paper ... party and a contract which is void ab initio is a contract which is unenforceable and of no legal effect since the time it was first made....
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Sklaw
sklaw.au › home › dictionary › void ab initio
Void ab initio - Law Dictionary
March 17, 2023 - Void means without legal effect. Ab initio is a Latin term meaning “from the beginning”. Void ab initio, therefore, means an action that never had legal effect.
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Wikipedia
en.wikipedia.org › wiki › Void_(law)
Void (law) - Wikipedia
February 9, 2025 - A contract may be voidable if there are grounds upon which a party to the contract may avoid or disaffirm their duties of performance, but does not become void until that option is exercised. A contract is void ab initio, or from the beginning, if it is for an illegal purpose or if it offends public policy, and such a contract may not be enforced through the courts.
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Gatekeeper
gatekeeperhq.com › glossary › ab-initio
Ab Initio - Definition
Ab Initio is a Latin phrase, meaning 'from the beginning'. If a contract is "Void Ab Initio", for example, it means it was void from the beginning and cannot be altered.
Published   October 16, 2025
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Publiccontractinginstitute
publiccontractinginstitute.com › void-ab-initio
VOID AB INITIO - Public Contracting Institute - Government Contracts Training
Valley Generating Co., 364 U.S. 520, 564 (1961), and J.E.T.S., Inc. v. United States, 838 F.2d 1196, 1200 (Fed.Cir.1988)). This rule was established in J.E.T.S., which held that a government contractor’s false certification barred its subsequent claim. J.E.T.S. demonstrated that to prove that a government contract is “tainted from its inception by fraud” and is thus “void ab initio,” the government must prove that the contractor obtained the contract by knowingly making a false statement.