'Dirty' Experts: Ethical Challenges Concerning, and a Comparative Perspective on, the Use of Consulting Experts

8 St. Mary's Journal on Legal Malpractice & Ethics (2018, Forthcoming)

38 Pages Posted: 11 Dec 2017

See all articles by David S. Caudill

David S. Caudill

Villanova University School of Law

Date Written: 2017

Abstract

U.S. attorneys often hire consulting experts who potentially never get named as testifying experts. The same practice is evident in Australia, where the colloquial distinction is between a “clean” and a “dirty” expert, the latter being in the role of a consultant who is considered a member of the client’s “legal team.” A “clean” expert named as a witness is then called “independent,” signaling that he or she is not an advocate. In contrast to the U.S. discourse concerning consulting and testifying experts, focused on discovery issues, the conversation in Australia betrays immediate ethical concerns that both (i) explain why the term “dirty” is used to describe an advocacy-oriented expert, and (ii) likely arise from the fact that in the U.K. and in some Australian states, a testifying expert is bound by a code of conduct providing that his or her primary duty is to the court. In the U.S. context, there is seemingly nothing troubling about a consulting expert later becoming a testifying expert; in Australia, that situation raises red flags, because an expert-advocate-on-the-team during settlement negotiations would then be required to be independent — a potentially difficult transition.

Should U.S. attorneys be concerned with the rules that allow an attorney to keep all interactions with a consulting expert (who is not selected to testify) hidden from opposing counsel (and even from a later-retained expert who will testify)? The purpose of this paper is to explore potential ethical issues raised by the use of consulting experts — for example, are the risks of an attorney influencing or manipulating a testifying expert’s opinion increased by the use of consulting experts who are neither disclosed nor subject to discovery? Are we worried that, after working with a dirty expert to identify all the weaknesses of a case, a clean expert may be manipulated by limiting the information (known to the attorney) given to the clean expert who will testify? And finally, did the 2010 amendments to FED. R. CIV. P. 26 (limiting discovery of expert draft reports and communications with testifying experts) actually reduce the perceived need to use, strategically, consulting experts?

Keywords: Expert Evidence; Legal Ethics; Consulting Experts; Australian Evidence Law

Suggested Citation

Caudill, David S., 'Dirty' Experts: Ethical Challenges Concerning, and a Comparative Perspective on, the Use of Consulting Experts (2017). 8 St. Mary's Journal on Legal Malpractice & Ethics (2018, Forthcoming) , Available at SSRN: https://ssrn.com/abstract=3083095

David S. Caudill (Contact Author)

Villanova University School of Law ( email )

299 N. Spring Mill Road
Villanova, PA 19085
United States
610-519-7085 (Phone)
610-519-6282 (Fax)

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