Clear Wealth Pty Ltd v Kwong

In the matter of Clear Wealth Pty Ltd v Kwong, the Federal Court of Australia was called upon to consider the admissibility and relevance of expert opinion evidence in the context of an expert report. The dispute involved the interpretation of the expert's observations and the methodology employed in reaching these conclusions. The court was tasked with determining whether the minor ambiguities in the expert's report, including the use of "we" and passive voice, as well as potential ambiguities regarding the methods used, were sufficient grounds for excluding the evidence. Furthermore, the court needed to decide if the expert was required to disclose how their expertise was applied to make the observations contained in the report.

The court examined the nature of the evidence and the role of experts in providing opinion evidence. It noted that expert opinions can vary along a spectrum, and observations at the lower end of this spectrum do not necessarily render the evidence inadmissible or irrelevant. The court held that minor ambiguities, such as the use of "we" and passive voice, could be clarified through the examination-in-chief of the expert. Additionally, the court ruled that experts are not required to disclose the specific methods used to apply their expertise to make observations within their report. The court emphasised that the admissibility of expert evidence should not be determined by the presence of minor ambiguities, as long as these can be addressed during the examination of the expert.

Ultimately, the court found that the expert's report was admissible and relevant, despite the minor ambiguities present. The court concluded that the use of "we" and passive voice, as well as the potential ambiguity regarding the methods used, did not preclude the evidence from being considered by the court. The expert's observations, which were at the lower end of the spectrum of opinion evidence, were deemed acceptable, and the expert was not required to disclose the specific methods used to reach their conclusions. The court's decision underscored the importance of allowing experts to provide their opinions without being overly constrained by the need to disclose every detail of their methodology.