Expert witness

Asked 4 months ago - Paramount, CA

Can an expert witness file a declaration? Or do they have to testify in court?

Attorney answers (5)

  1. Alan Ray Barnes

    Contributor Level 18

    5

    Lawyers agree

    Answered . Experts sign declarations all the time. Whether that declaration will be admissible at trial is another matter entirely.

  2. Christine James

    Pro

    Contributor Level 19

    5

    Lawyers agree

    Answered . If you want the expert to provide a declaration in lieu of testimony at trial, you are not likely to get it in. The defense has the right to cross examine the expert.

  3. Joseph Caleb Markowitz

    Contributor Level 11

    3

    Lawyers agree

    Answered . If you are talking about trial, then as previous answers have suggested, it is unlikely that a declaration would be sufficient. But there are other circumstances where expert declarations are allowed, such as on a summary judgment motion. If you are dealing with an expert declaration in that context, you might need to take the expert's deposition and offer some transcript excerpts in opposition or you might need to hire your own expert to raise an issue of fact.

  4. Kenneth J DeMoura

    Contributor Level 13

    3

    Lawyers agree

    Answered . The general rule is that a witness must appear and be subject to cross-examination. A declaration would in all likelihood be excluded as hearsay. I have tried cases before judges (not jury trials) where the judge permits the declaration filed under the penalties of perjury to serve in lieu of direct examination to conserve time but the expert must be made available for cross-examination.

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  5. Robert Bruce Kopelson

    Contributor Level 20

    1

    Lawyer agrees

    Answered . Depends upon the court. Small claims yes. Economic litigation if the rules are followed, yes. Superior court normal rules, no, unless the parties agree.

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