AI in Judicial EducationExploratory Project
Article VII. Opinions and Expert Testimony

Rule 705. Disclosing the Facts or Data Underlying an Expert’s Opinion

Effective January 1, 2014

See Rule 705 on the heat map

Unless the court orders otherwise, an expert may state an opinion and give the reasons for it without first testifying to the underlying facts or data. But the expert may be required to disclose those facts or data on cross examination.

Opinions in this dataset that cite Rule 705

1 opinion in the dataset cite this rule, reversals first. Matched from each opinion’s coded issue, not from a reading of the opinion.

Reporter citations are as supplied and unverified; the official opinion link is the source of record.

Source: the Indiana Rules of Evidence, reproduced for browsing. Rule text as supplied, including the amendment to Rule 103(b) effective July 1, 2026 (Order, Cause No. 26S-MS-8); other rules carry their own effective dates. This is an unofficial copy; check the official text before relying on it. Not legal advice.