Legal Terms Starting with O

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Oath

A solemn promise or affirmation to tell the truth or fulfill a duty, invoking divine witness or legal penalty for perjury.

Court Procedure

Objection

A formal protest during trial challenging the admissibility of evidence, questions, or procedure.

Trial Practice

Offer

A proposal to enter into a contract that, when accepted, creates a binding agreement.

Contract Law

Omission

Failure to act when legally required to do so, potentially creating criminal or civil liability.

Criminal Law

Opening Statement

A lawyer's initial presentation to the jury outlining the case, evidence, and anticipated proof.

Trial Practice

Ordinance

A law or regulation enacted by a municipal or local government authority.

Municipal Law

Overrule

A judge's rejection of an attorney's objection, or a higher court's reversal of its own prior precedent.

Court Procedure

Overt Act

An open, observable action taken in furtherance of a conspiracy or other criminal intent.

Criminal Law

Ownership

Legal right of possession and control over property with authority to use, transfer, or dispose of it.

Property Law

Opinion

A court's written explanation of its decision, including legal reasoning and interpretation of law.

Appellate Law

Oral Contract

A verbal agreement not reduced to writing, enforceable except where statute of frauds requires written form.

Contract Law

Order

A court's directive or ruling on a motion, procedure, or interim matter during litigation.

Court Procedure

Original Jurisdiction

A court's authority to hear a case first, rather than on appeal from another court.

Jurisdiction

Ostensible Authority

Apparent agency power created when a principal's conduct leads third parties to reasonably believe authority exists.

Agency Law

Out-of-Court Settlement

Resolution of a dispute through negotiated agreement between parties without trial or formal judgment.

Civil Litigation

Overreach

Taking unfair advantage in a transaction through superior bargaining position or exploitation of trust.

Contract Law

Override

Legislative action to pass a bill over executive veto, or to supersede a prior decision or provision.

Constitutional Law

Onus Probandi

Latin term for "burden of proof" - the obligation to prove allegations or claims in a legal proceeding.

Evidence Law

Option Contract

An agreement giving one party the right to purchase or sell property at a specified price within a set time period.

Contract Law

Obstruction of Justice

Interfering with law enforcement, judicial proceedings, or investigation through deception, force, or concealment.

Criminal Law