Minister for Education and Early Childhood Learning v Zonnevylle

The Minister for Education and Early Childhood Learning (the Minister) sought leave to appeal to the Supreme Court of New South Wales from a decision of the Appeal Panel of the New South Wales Civil and Administrative Tribunal (NCAT). The dispute concerned NCAT's jurisdiction to dismiss proceedings as vexatious, specifically in relation to a respondent who had sought review of a decision concerning access to information held by a government agency. The respondent had persisted with allegations of misconduct against agency officers, even after those allegations had been dismissed by NCAT.

The primary legal issues before the Supreme Court were whether the Appeal Panel had erred in its assessment of NCAT's power to dismiss proceedings as vexatious. Specifically, the Court considered whether the Appeal Panel had incorrectly interpreted the scope of the collateral purpose principle by finding that persistence in claims that were legally unsustainable (bad in law) fell outside its application. The Court also examined whether the Appeal Panel had erred by declining to consider the respondent's history of making similar allegations in previous litigation when determining the vexatious nature of the current proceedings.

The Supreme Court held that the Appeal Panel had erred in its reasoning. The Court found that the Appeal Panel had misconstrued the collateral purpose principle, which is intended to prevent the abuse of process. The persistence in claims that are bad in law, particularly when coupled with a history of similar conduct, can indeed demonstrate a collateral purpose, such as harassing or embarrassing public officials. The Court concluded that the Appeal Panel should have had regard to the respondent's prior litigation history, as it was relevant to determining whether the proceedings were vexatious.

Consequently, the Supreme Court granted leave to appeal, set aside the orders of the Appeal Panel, and ordered that the appeal to the Appeal Panel be dismissed. Each party was ordered to bear their own costs of the appeal to the Supreme Court.