Go to Previous Versions
of
this Section
2025 California Code
Evidence Code - EVID
DIVISION 7 - OPINION TESTIMONY AND SCIENTIFIC EVIDENCE
CHAPTER 1 - Expert and Other Opinion Testimony
ARTICLE 1 - Expert and Other Opinion Testimony Generally
Section 801.
Universal Citation:
CA Ev Code § 801 (2025)
Learn more
This media-neutral citation is based
on the American Association of Law Libraries Universal Citation Guide and is not
necessarily the official citation.
801. If a witness is testifying as an expert, his testimony in the form of an opinion is limited to such an opinion as is:
(a) Related to a subject that is sufficiently beyond common experience that the opinion of an expert would assist the trier of fact; and
(b) Based on matter (including his special knowledge, skill, experience, training, and education) perceived by or personally known to the witness or made known to him at or before the hearing, whether or not admissible, that is of a type that reasonably may be relied upon by an expert in forming an opinion upon the subject to which his testimony relates, unless an expert is precluded by law from using such matter as a basis for his opinion.
(Enacted by Stats. 1965, Ch. 299.)
Disclaimer: These codes may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
