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Wyoming Court Rules

Wyo. R. Evid. 702 (2026)

Rule 702. Testimony by experts (Effective until August 1, 2019.) If scientific, technical, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue,

✓ current as of August 2026
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Rule 702. Testimony by experts (Effective until August 1, 2019.)

If scientific, technical, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training, or education, may testify thereto in the form of an opinion or otherwise.

Rule 702. Testimony by experts (Effective August 1, 2019.) A witness who is qualified as an expert by knowledge, skill, experience, training, or education may testify in the form of an opinion or otherwise if:

(a) the expert’s scientific, technical, or other specialized knowledge will help the trier of fact to understand the evidence or to determine a fact in issue;

(b) the testimony is based on sufficient facts or data;

(c) the testimony is the product of reliable principles and methods; and (d) the expert has reliably applied the principles and methods to the facts of the case.