26 November 2015 conference: The expert and the sapiteur: what is the relationship between them?
organised by the CNEJAC (National College of Judicial Experts in Acoustics)
Relationships between experts and assessors – Presentation by Maurice Nussenbaum on the hyper-specialisation of expert testimony.
The hyper-specialisation of experts
The judicial system’s demand for rigour inevitably leads to the hyper-specialisation of experts, since the parties themselves will raise multiple arguments supported by specialist opinions, to which the judge must respond in their reasoning.
The judge may either rely on the appointed expert, who must identify the necessary disciplines and seek assistance from one or more consultants, or the judge may appoint one or more co-experts in the disciplines in question.
The appointed expert cannot do everything, even if they have an overall view of the case, as they risk being contradicted by specialists on technical aspects that lie outside their core area of expertise; hence the need for a co-expert and/or a consultant.
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