Oklahoma § 12-2703 - Bases of opinion testimony by experts
Full text of Oklahoma Oklahoma Statutes § 12-2703 — Bases of opinion testimony by experts, with citation guidance and answers to common questions.
§ 12-2703. Bases of opinion testimony by experts
The facts or data in the particular case upon which an expert
bases an opinion or inference may be those perceived by or made
known to the expert at or before the hearing. If of a type
reasonably relied upon by experts in the particular field in forming
opinions or inferences upon the subject, the facts or data need not
be admissible in evidence in order for the opinion or inference to
Oklahoma Statutes - Title 12. Civil Procedure
be admitted. Facts or data that are otherwise inadmissible shall
not be disclosed to the jury by the proponent of the opinion or
inference unless the court determines that their probative value in
assisting the jury to evaluate the expert's opinion substantially
outweighs their prejudicial effect.
Added by Laws 1978, c. 285, § 703, eff. Oct. 1, 1978. Amended by
Laws 2002, c. 468, § 55, eff. Nov. 1, 2002; Laws 2013, 1st Ex.Sess.,
c. 15, § 5; Laws 2013, 1st Ex.Sess., c. 15, § 6.
NOTE: Laws 2009, c. 228, § 19 was held unconstitutional by the
Oklahoma Supreme Court in the case of Douglas v. Cox Retirement
Properties, Inc., 2013 OK 37, 302 P.2d 789 (Okla. 2013) and repealed
by Laws 2013, 1st Ex.Sess., c. 15, § 4.
Source: official Oklahoma text · Last verified 2026-08-27
Frequently Asked Questions About Oklahoma § 12-2703
What does Oklahoma Statutes § 12-2703 cover?
Section 12-2703 ("Bases of opinion testimony by experts") is part of the Oklahoma Statutes, the codified statutory law of Oklahoma. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Oklahoma § 12-2703?
A common citation format is "Oklahoma Statutes § 12-2703" (Oklahoma). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Oklahoma law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Oklahoma official source linked on this page or consult a licensed Oklahoma attorney.
How does Oklahoma § 12-2703 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Oklahoma can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Oklahoma.