All terms

Legal Terms: O

Oath

general

A solemn promise to tell the truth or faithfully perform a duty, often invoking a higher power. Witnesses testify under oath.

Objection

evidence

A formal protest raised by an attorney during trial challenging the admissibility of evidence or the propriety of a question or procedure.

Obstruction of Justice

criminal

The crime of intentionally interfering with the administration of law, including tampering with evidence, intimidating witnesses, or lying to investigators.

Obviousness

ip

A ground for rejecting or invalidating a patent if the invention would have been obvious to a person having ordinary skill in the art at the time of the invention.

Offer

contracts

A proposal by one party to another indicating a willingness to enter into a contract on specified terms.

Offer in Compromise

tax

An agreement between a taxpayer and the IRS to settle a tax debt for less than the full amount owed, based on the taxpayer's ability to pay.

Offering Memorandum

securities

A legal document describing a securities offering in a private placement, similar to a prospectus but used for exempt offerings.

Office Action

ip

A written communication from a patent or trademark examiner at the USPTO raising objections or rejections that the applicant must address.

Opening Statement

civil procedure

An attorney's introductory remarks at the beginning of a trial, outlining the evidence and arguments they intend to present.

Opinion

courts

A judge's written explanation of the court's decision, including the legal reasoning, analysis of facts, and conclusion.

Optional Practical Training

immigration

A program allowing F-1 students to work in the United States for up to 12 months (or 36 months for STEM graduates) in a field related to their study.

Ordinance

general

A law enacted by a municipal or local government, such as a city or county.

Original Jurisdiction

courts

The authority of a court to hear a case for the first time, as opposed to appellate jurisdiction.

OSHA

employment

The Occupational Safety and Health Administration, the federal agency responsible for setting and enforcing workplace safety and health standards.

OSHA Citation

employment

A written notice issued by the Occupational Safety and Health Administration alleging violations of workplace safety standards and proposing penalties.

Overrule

courts

When a court rejects an objection during trial, allowing the evidence or question. Also, when a higher court sets aside a lower court's precedent.

Overtime

employment

Compensation required under the FLSA at one and a half times the regular rate of pay for hours worked in excess of 40 in a workweek by nonexempt employees.

Ozone Depleting Substance

environmental

Chemicals regulated under the Clean Air Act and the Montreal Protocol that deplete the stratospheric ozone layer, including chlorofluorocarbons and hydrochlorofluorocarbons.