Davis v Comensoli

The plaintiffs, Davis, sought to rely on expert evidence in their legal action, which pertained to a dispute over alleged breaches of international law. The matter was heard in the Federal Court of Australia. The defendants, Comensoli, contested the admissibility of the plaintiffs' expert evidence, arguing it should be restricted to two experts on public international law.

The court was required to decide whether the plaintiffs could rely on expert evidence concerning both domestic and international law. The plaintiffs contended that the evidence of three experts on domestic law was necessary to substantiate their claims. The defendants argued that the plaintiffs should be limited to the evidence of two experts on public international law, in accordance with prior cases such as Allstate Life Insurance Co v Australia and New Zealand Banking Group Ltd (No 6) and Novartis AG v Pharmacor Pty Ltd.

The court found that the plaintiffs could only rely on evidence from two experts on public international law, as per the Evidence Act 2008 (Vic) s 192A. The court held that expert evidence on the content and application of domestic law was inadmissible. Consequently, the plaintiffs were limited to the evidence of two experts on public international law. This decision aligns with the precedents set by prior cases and the statutory provisions regarding expert evidence.

The court's final orders reflected the limitations placed on the plaintiffs' expert evidence, restricting it to two experts on public international law and disallowing any evidence concerning domestic law. This outcome underscores the importance of adhering to statutory provisions and established legal principles in determining the admissibility of expert evidence in court proceedings.