Orders under the Vexatious Proceedings Restriction Act 2002 (WA) that prohibit proceedings against specified parties do not constrain proceedings against parties not named in the order. Interlocutory decisions striking out pleadings or denying leave to replead are not final determinations capable of giving rise to abuse of process by collateral attack. A defence based on facts or events not raised or determined in prior proceedings is not a collateral attack on those prior proceedings, even where related issues were previously determined.
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