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The immediate background was a direction made by Steward J on 10 May 2024. Under r 6.07.2 of the High Court Rules 2004 (Cth), the proposed application was not to be issued or filed unless a Justice first granted leave ([1]). Gleeson J therefore considered whether the leave application should be granted.

The proposed application related to a Deputy Registrar's refusal to accept for filing a writ of summons dated 8 March 2024 ([2]). That writ named the Commonwealth of Australia as defendant. It sought a declaration that the Migration Act 1958 (Cth) was invalid and that s 51(xxvii) of the Constitution was “spent” in specified respects ([2]). The judgment does not decide those substantive constitutional or statutory propositions. It decides whether leave should be given to issue or file the proposed application concerning the refusal to accept the writ.

The 8 March 2024 writ followed an earlier proposed writ dated 22 November 2023. On 7 February 2024, Gordon J refused leave to issue or file that earlier writ. As Gleeson J recounts, Gordon J found that it disclosed no arguable basis for the relief sought and that the claims in the writ and supporting affidavit would be an abuse of process if filed ([3]).

Gleeson J compared the two proposed writs. The relief sought in the March writ was different, but the matters on which Murphy relied were “substantially the same”, and the questions of law were identical ([4]). Gleeson J concluded that the March writ itself disclosed no arguable basis for relief and would be an abuse of process if filed. Granting leave to issue or file the proposed application would enable that abuse of process ([5]). The application was refused and dismissed without being listed for a hearing under r 13.03.1 ([6]).

Why the court decided this way

The reasoning is concise and turns on the proposed writ's arguability and its relationship to the earlier proposed writ. Gleeson J records both that the March writ sought different relief from the November writ and that the matters and legal questions substantially overlapped ([4]). The judgment does not treat the difference in the form of relief as sufficient to distinguish the two proposed proceedings for the purpose of assessing the leave application.

The central finding is in [5]: “The 8 March 2024 proposed writ discloses no arguable basis for the relief sought.” Gleeson J then states that filing it would be an abuse of process. That conclusion matters directly to the leave question: granting leave to issue or file the proposed application would enable the identified abuse ([5]). The logic is therefore specific. The court did not simply refuse leave because there had been an earlier application. It identified the shortcomings of this proposed writ and its substantial overlap with the earlier one, then concluded that allowing the proposed process to proceed would enable an abuse.

The judgment's reference to Gordon J's earlier decision supplies procedural context and a comparison point. Gleeson J recounts that the earlier proposed writ had been found to have no arguable basis and to be an abuse of process if filed ([3]). The judgment does not purport to rehear or independently analyse the earlier matter in detail. Nor does it reproduce the contents of the proposed writs, the supporting affidavit, or the specific legal arguments. The reasons give the overlap finding and the resulting conclusions, but not a detailed explanation of why each claim fails.

The method of disposal was also procedural. After deciding that leave should be refused, Gleeson J states that r 13.03.1 permitted the application to be dismissed without listing it for a hearing ([6]). The judgment identifies that rule as the basis for disposing of this application in that way. It does not explain the rule's broader operation or state that every leave application of this kind should be dealt with without an oral hearing.

The order is narrow: the application dated 15 May 2024 for leave to issue or file the proposed writ was refused. The decision does not rule on the validity of the Migration Act, the meaning or continuing operation of s 51(xxvii), or the ultimate merits of any substantive claim. Its stated conclusion concerns the proposed process and the leave required before it could be issued or filed.

Before and after state of the law

The judgment describes the relevant procedural position before Gleeson J's decision. Steward J had made a direction under r 6.07.2 requiring Murphy to obtain leave before the proposed application could be issued or filed ([1]). There was also the earlier decision by Gordon J on 7 February 2024 refusing leave for the November 2023 proposed writ, on the bases recounted at [3].

After Gleeson J's decision, the 15 May 2024 application for leave was refused, and the proposed application was not permitted to proceed through the leave route described in the judgment ([5]-[6]). The order does not grant any of the declarations sought in the proposed March writ. It also does not determine any substantive question about the Migration Act or the constitutional provision.

This judgment is not a general account of the law governing abuse of process, arguability, or leave under the High Court Rules. It states the court's assessment of these proposed documents and gives the relevant procedural rule numbers. It does not cite authorities for a general legal test, compare competing principles, or announce a new test. Any account of the wider state of the law before or after this decision would require legal sources beyond this judgment. No such sources are included here, so it would be unsafe to infer a wider change in law from this decision alone.

The significance that can be grounded in the judgment is more limited: in this application, the court considered the asserted overlap with the earlier proposed writ, found the new writ had no arguable basis, characterised its filing as an abuse of process, and refused leave. The court's reasoning is expressed as an application to the documents before it, not as a comprehensive statement of doctrine.

Key passages with plain-English translation

At [1], Gleeson J identifies the procedural setting: Steward J had directed that the proposed application could not be issued or filed without a Justice's leave under r 6.07.2. In plain English, Murphy needed permission before the proposed application could proceed to issue or filing.

At [2], the judgment describes what the proposed writ concerned. It related to the Deputy Registrar's refusal to accept the 8 March writ, which named the Commonwealth as defendant and sought declarations concerning the Migration Act and s 51(xxvii). This paragraph describes the claims; it does not decide whether those claims are legally correct.

At [3], Gleeson J recounts the February decision on the November 2023 proposed writ. That history matters because it supplies a basis for comparing the later proposed writ with an earlier one. The paragraph reports Gordon J's findings; Gleeson J's own operative assessment of the March writ appears at [5].

At [4], Gleeson J distinguishes between the form of relief and the underlying matters and legal questions. The relief was different, but the matters relied on were substantially the same and the questions of law identical. In plain English, changing the requested remedy did not, on the court's description, remove the substantial overlap in the case being advanced.

At [5], Gleeson J gives the decisive assessment: the March writ had no arguable basis for its requested relief and would be an abuse of process if filed. The judge then connects that assessment to the leave question, reasoning that leave would enable the proposed abuse. This is the core of the decision, but it should not be expanded into a general rule beyond what the judgment states.

At [6], Gleeson J records the procedural result under r 13.03.1: the application would be dismissed without being listed for a hearing. The order is that the application for leave is refused. In plain English, there was no hearing before the application was disposed of.

What fact patterns trigger this precedent

The decision is most directly relevant to a procedural situation with the same features described in the reasons: an applicant requires leave before issuing or filing a proposed proceeding; a later proposed writ substantially repeats the matters and legal questions in an earlier proposed writ; the later document seeks different relief but retains that substantial overlap; and the court finds the later writ has no arguable basis and would be an abuse of process if filed ([1], [3]-[5]).

The judgment may be useful when analysing how the court treated the distinction between different remedies and repeated underlying matters in this particular leave application. Gleeson J expressly noted that the relief differed, but the matters relied on were substantially the same and the questions of law identical ([4]). The ultimate conclusion followed that assessment alongside the judge's finding that the March writ disclosed no arguable basis ([5]).

The judgment is not enough, by itself, to determine how a court would treat a proposed proceeding that differs materially in its facts, legal questions, evidentiary foundation, or procedural history. It does not set out the contents of the two writs in detail, apart from the broad description in [2]-[4]. It also does not say that any repeat proceeding is necessarily an abuse of process, or that different relief is always immaterial. Those broader propositions would go beyond the stated reasoning.

For lawyers and compliance professionals, the grounded point is to examine both the claimed differences and the actual overlap in matters and questions of law, while keeping separate the court's assessment of the particular documents from any general proposition about repeat proceedings. The decision supplies a comparison-based rationale, but not a comprehensive checklist or test.

How later courts have treated it

The judgment contains no account of how later courts treated this decision. No subsequent decisions are cited, and the source provided is the judgment dated 21 June 2024. It is therefore not possible, from this text alone, to say whether a later court followed, applied, distinguished, approved, or questioned its reasoning.

The judgment does refer to Gordon J's earlier decision of 7 February 2024 concerning the November 2023 proposed writ ([3]). That reference is procedural history and a comparison with an earlier application, not evidence of later treatment of Gleeson J's decision. The judgment recounts Gordon J's findings but does not provide a citation for that decision or reproduce its full reasoning.

The only treatment relationship that can safely be described from this text is that Gleeson J took the earlier refusal into account as context when comparing the two proposed writs ([3]-[4]). It would be inaccurate to describe that as a later court's treatment of the present judgment. A reliable account of subsequent treatment would require later judgments or other legal sources, which are not included in the material provided.

Still-open questions

Several matters remain unanswered by the reasons. First, the judgment does not identify the specific arguments in the March writ that lacked an arguable basis. It gives the conclusion, but not a detailed claim-by-claim explanation ([5]). Second, it does not reproduce the questions of law in either proposed writ, so a reader cannot independently compare their wording or assess the full extent of the overlap described at [4].

Third, the judgment does not explain the substantive constitutional arguments concerning s 51(xxvii), or the challenge to the Migration Act. Those issues were not decided in the order refusing leave. Fourth, it does not set out the full terms of the Deputy Registrar's refusal to accept the writ, or explain any separate issue about that administrative step.

Finally, the reasons do not develop a general test for when a proposed writ is an abuse of process, when leave should be refused, or when an application may be dismissed without a hearing under r 13.03.1. The decision establishes only the stated outcome on these documents and circumstances. Broader conclusions, including how materially different claims or new legal questions would be treated, cannot be derived from this judgment alone.

This is general legal information, not legal advice. Zoe can make mistakes. Before you act on this, rely on it, or use any draft, get a qualified Australian lawyer to check it.