Most arbitrators and academics have long understood that, absent terms to the contrary in the agreement providing for arbitration, the traditional rules of evidence do not apply, and certainly do not strictly apply, in arbitration.
Rule 703 permits an expert to base opinion testimony on personal knowledge, evidence admitted at trial, or evidence not admitted so long as it supplies the kind of facts or data that experts in the field “reasonably rely” on in forming an opinion.
502. The following provisions apply, in the circumstances set out, to disclosure of a communication or other information covered by the attorney-client privilege or work-product protection. (A) Disclosure made in an Ohio proceeding or to an Ohio office or agency; Scope of waiver.
Ohio Rule of Evidence 1002 provides that, To prove the content of a writing, recording, or photograph, the original writing, recording, or photograph is required, except as otherwise provided in these rules or by statute enacted by the General Assembly not in conflict with a rule of the Supreme Court of Ohio.
Rule 703 has been amended to emphasize that when an expert reasonably relies on inadmissible information to form an opinion or inference, the underlying information is not admissible simply because the opinion or inference is admitted.
RULE 408. Evidence of conduct or statements made in compromise negotiations is likewise not admissible. This rule does not require the exclusion of any evidence otherwise discoverable merely because it is presented in the course of compromise negotiations.
If the witness is not testifying as an expert, the witness' testimony in the form of opinions or inferences is limited to those opinions or inferences which are (1) rationally based on the perception of the witness and (2) helpful to a clear understanding of the witness' testimony or the determination of a fact in ...
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.
In effect, once one party demonstrates that evidence within the sole custody of another is “missing,” the burden then shifts to the opposing party to offer a reasonable explanation.
Evidence of conduct or statements made in compromise negotiations is likewise not admissible. This rule does not require the exclusion of any evidence otherwise discoverable merely because it is presented in the course of compromise negotiations.