Latin

Ab Initio

ab in-ISH-ee-oh
A Latin term meaning "from the beginning." It refers to something being the case from the start or from its inception.
The contract was void ab initio due to a fundamental mistake in its formation.
In United States v. Alvarez-Machain (1992), the U.S. Supreme Court held that an extradition treaty with Mexico did not prohibit the U.S. from forcibly abducting a Mexican citizen for trial in the U.S., as the treaty was silent on the issue. This decision was controversial and led to changes in extradition practices.
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Frequently Asked Questions

A contract that is void ab initio is never valid and cannot be enforced, while a voidable contract is initially valid but can be declared invalid by one of the parties due to certain circumstances.

Yes, if the law is found to be unconstitutional or fundamentally flawed, it can be declared void ab initio, as if it never existed.

A marriage entered into under duress, a contract made by a minor, or a will signed without proper witnesses can all be considered void ab initio.

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