Legal Definitions - in

IN

Preposition used to indicate being under or based on the law of something.

• He filed a lawsuit infederal court.
• The contract was signed in accordance with state law.

These examples show how the preposition "in" is used to indicate that something is being done under or based on a particular law or legal system. In the first example, the lawsuit is being brought under the jurisdiction of federal law. In the second example, the contract is being signed in accordance with the laws of a particular state.