Admissibility of Expert Evidence in Complex Litigation
📌 In brief
In this complex litigation, the court reviewed the admissibility of various items of expert evidence, applying the Evidence Act 1995 (NSW) criteria. The judgment provides guidance on the admissibility of expert evidence in legal proceedings.
⚖️ Legal holding
Expert opinion evidence must be admissible under the Evidence Act 1995 (NSW) criteria.
📖 What the law says
This section allows for opinions based on specialized knowledge to be admitted as evidence if the person giving the opinion has such knowledge due to their training, study, or experience.
Plain-English explanation — does not replace advice from a legal practitioner.
📚 Full judgment
The summary, holding and questions above are VadeLab’s own material. The official decision itself is published by the court, and we do not reproduce it on this page.
📄 Read the full judgment⚖️ View on the official court website ↗
⚖️ What tends to weigh in cases like this
✅ Tends to be accepted
- A table illustrating the Group's cash position was allowed, subject to an order that an implied assumption was for expert opinion purposes only.
- The expert's observations of "last modified" dates in computer records were admissible.
- The expert's opinion that certain ledger reconciliations were "insignificant" was allowed as permissible expert opinion.
- Material from a supplementary report that was previously excluded due to the principal report's inadmissibility was now allowed.
- Evidence regarding the quantum of creditors was relevant to a pleaded issue in the proceedings.
❌ Tends to be rejected
- The assertion that the Group had materially less cash available than projected was rejected because its underlying reasoning was rejected elsewhere.
- The expert's opinion that information provided to the board was insufficient was rejected because it implied a "finding" about the totality of information.
- The expert's statement that preparation of reconciliations was the last substantive step for finalising management accounts was rejected.
Patterns observed in similar cases in this collection — every case is unique.
❓ Frequently asked questions
What was the dispute about?
The dispute was about whether certain items of expert evidence met the admissibility criteria under the Evidence Act 1995 (NSW).
How did the court decide, and why?
The court decided based on the Evidence Act 1995 (NSW) criteria, ensuring that the evidence was relevant and reliable.
Which laws or rules were applied?
The Evidence Act 1995 (NSW), sections 79, 102, 135, and 136 were applied.
What was the argument that mattered most?
The argument centered around the relevance and reliability of the expert evidence according to the Evidence Act 1995 (NSW) criteria.
Was the decision for or against the person who brought the case?
The decision was for the party seeking the admission of the expert evidence, as certain items were deemed admissible.
What does this mean for someone in a similar situation?
Someone in a similar situation should ensure that their expert evidence meets the admissibility criteria under the Evidence Act 1995 (NSW).
What evidence or documents mattered?
The judgment specifies the items of expert evidence and the criteria under the Evidence Act 1995 (NSW) that were considered.