There are instances in which a report can be co-authored by two experts, such as when one expert has more expertise in certain areas, or when another expert with similar expertise has been involved in the preparation of a large report. However, in situations where there are co-testifying experts, which are seen increasingly in international arbitrations in particular, little guidance is available.
In a recent article for Law360, Neil Ashton and Dan Langley outline the benefits and drawbacks of engaging co-testifying party experts in dispute resolution.
