Stays Pending Judicial Review in International Protection: A Stay Will Be Refused Where IPAT Can Cure Alleged IPO Defects by Full Ex Nunc Appeal

Case: O.A.S.A. v The Chief International Protection Officer and Ors (Approved) [2026] IEHC 470 (High Court, Phelan J, 14 July 2026)

1. Introduction

This judgment concerns an application for interlocutory relief seeking to restrain or stay an imminent oral appeal before the International Protection Appeals Tribunal (“IPAT”) while judicial review proceedings challenge first-instance international protection decisions. The applicant (a claimed Palestinian national) attacked: (i) the International Protection Office (“IPO”) recommendation refusing international protection under the International Protection Act 2015 (“the 2015 Act”), and (ii) the consequential refusal of permission to remain under s. 49 of the 2015 Act.

The immediate issue was procedural but important: whether the High Court should halt a scheduled IPAT appeal to avoid the judicial review being “overtaken” or rendered moot, where the applicant alleged that the IPO’s rejection of nationality meant there was no lawful substantive assessment of the protection claim at first instance.

2. Summary of the Judgment

  • The Court refused to stay the IPAT appeal.
  • Applying Okunade v. Minister for Justice [2012] 3 IR 152, [2012] IESC 49, the applicant failed on the first limb (arguable case for the interlocutory relief), as he did not show that IPAT was incapable of providing an adequate and effective remedy for the alleged IPO errors, as required by the Supreme Court’s recent guidance.
  • In any event, on the second limb (where the greatest risk of injustice lies), the balance favoured allowing the statutory appeal to proceed: it was an oral hearing, suspensive in effect, and IPAT has full merits jurisdiction.
  • The Court treated the applicant’s criticism—IPO ended its legal analysis after rejecting nationality—as a complaint that could be addressed on appeal, not a “fundamental denial of justice” justifying interruption of the statutory scheme.

3. Analysis

3.1 Precedents Cited and How They Shaped the Outcome

(a) Okunade v. Minister for Justice [2012] 3 IR 152, [2012] IESC 49

The framework for interlocutory relief was common case. The Court reiterated the two-stage approach: (i) an arguable case; and (ii) the “greatest risk of injustice” analysis, which includes weight for presumptive validity and the public interest in orderly operation of statutory schemes. While Okunade originated in the deportation context, its structured balancing exercise is now the standard lens for interim relief in protection/immigration litigation.

(b) The “default position” on alternative remedies: Amariei v. The Chief Appeals Officer [2026] IESC 22 and A.B. v. Chief International Protection Officer [2026] IESC 23

The judgment is primarily an application of the Supreme Court’s recalibration in Amariei and A.B.: where a full statutory appeal exists (here, to IPAT), judicial review is ordinarily exceptional until that remedy is exhausted. Intervention before the appeal concludes is reserved for rare cases such as a fundamental denial of justice, a systemic defect, or where the appeal is incapable of curing the defect.

Crucially, the Court treated these Supreme Court decisions as affecting not just strike-out arguments, but also the arguability assessment on an interim stay: even if the IPO’s approach is arguably flawed, an applicant must show the flaw is of a type not effectively remediable by IPAT.

(c) High Court application of A.B. to stay applications: G.T. v. An International Protection Officer [2026] IEHC 267

The Court aligned with G.T. in treating the availability of an oral IPAT hearing, with capacity to consider evidence and determine matters afresh, as strongly militating against a stay. It also adopted G.T.’s caution that the grant of leave (especially pre-A.B.) does not guarantee the threshold for interim relief remains met.

(d) Alleged “systemic” documentary verification problems: A.S. v. Chief International Protection Officer [2026] IEHC 422

The applicant relied heavily on A.S., where the IPO decision was quashed in connection with verification of an Afghan Tazkira. Phelan J distinguished A.S. on the facts and evidential posture: there was no demonstration here of a comparable system-wide practice of treating Palestinian documents as inherently unverifiable, and the respondents furnished affidavit evidence describing IPO document assessment tools and constraints.

The judgment uses A.S. less as a template for intervention and more as a contrast: systemic character may be relevant to identifying “fundamental” defects, but the decisive question remains whether IPAT can provide an adequate remedy in the individual case.

(e) EU law context for IPAT’s role: Case C-756/21 XX v. International Protection Appeals Tribunal and X v International Protection Appeals Tribunal and Others, Case C-756/21

The Court relied on CJEU authority to confirm the nature of IPAT’s function:

“The IPAT must be regarded as a court or tribunal of first instance, tasked with performing the judicial scrutiny function provided for in Article 39 of Directive 2005/85.”

This supported the conclusion that IPAT provides a full ex nunc review, can receive evidence, and can make a binding recommendation to grant refugee status or subsidiary protection—features central to treating the appeal as an adequate remedy.

(f) Other cited authorities

  • Stefan v. Minister for Justice [2001] 4 I.R. 403, [2001] IESC 92 was invoked to argue an entitlement to a fair first-instance decision; the respondents argued this is now misplaced given A.B./Amariei.
  • M.D. (A Minor) v. Board of Management of a Secondary School [2024] IESC 11 and Wen Wei v. Minister for Justice and the Commission of An Garda Síochána [2024] IESC 58 were among the broader interlocutory/public law context authorities.
  • S.A. (Zimbabwe and South Africa) v. CIPO & Ors. [2024] IEHC 477, Case C-585/16 Alheto were referenced in submissions, but the determinative work was done by Okunade as reframed by A.B./Amariei and applied in G.T..

3.2 Legal Reasoning

(a) Reframing “arguability” after A.B./Amariei

The Court treated the first limb of Okunade as having two connected questions in this setting: (1) is there an arguable illegality in the IPO process; and (2) even if so, is IPAT capable of providing an adequate and effective remedy? If the appeal can adequately cure the alleged defect, then the applicant does not ordinarily have an arguable basis to interrupt the appeal by judicial review.

(b) “Missing inquiry” vs “missing completed legal assessment”

A key analytical move was to narrow and clarify the applicant’s complaint. The Court rejected the characterisation that there had been “no engagement at all” with the claim: the applicant had two s. 35 interviews; the IPO questioned nationality, documentation, travel history and experiences. However, the Court accepted the distinct point that the IPO did not complete the legal assessment for refugee/subsidiary protection after rejecting nationality, stating there was “no basis to further assess this application”.

The question became whether this truncation is the kind of “fundamental defect” that makes appeal inadequate. The Court held it was not, because IPAT’s statutory mandate is to determine the issues afresh and it was listed for an oral hearing where evidence could be explored and supplemented.

(c) No demonstrated systemic failure; defects are “merits appeal” territory

The Court drew a line between: (i) serious alleged errors in assessing a particular applicant’s evidence (weight to a birth certificate, local-knowledge questioning, adverse credibility, interpretation issues); and (ii) the exceptional A.B. category (e.g. no interview, refusal to receive evidence, complete denial of rights, or “no provision at all of a functioning first instance system”). On the record, the case fell into category (i).

(d) IPAT’s powers and the practical remedy

The Court emphasised IPAT’s “full merits” role under the 2015 Act (including the capacity to receive further evidence). Even if the IPO’s approach to the birth certificate was flawed, the applicant could: contest nationality findings, adduce authentication evidence, and seek directions to facilitate receipt of evidence. The Court also noted the applicant had not pursued the IPO-suggested route of contacting the Palestinian Mission in Ireland to assist with documentation—relevant to the practical assessment of whether the appeal could address the evidential deficit.

(e) The s. 49 permission-to-remain decision

The Court treated the s. 49 challenge as potentially distinct because IPAT does not decide permission to remain. Nonetheless, it held the applicant had not shown that allowing the IPAT appeal to proceed would deprive him of an effective remedy regarding s. 49: IPAT findings could inform reconsideration or later review, and any independent s. 49 illegality could still be pursued if it remained live.

3.3 Impact

  • Higher practical bar for stays: applicants seeking to restrain an IPAT appeal must do more than identify arguable IPO unlawfulness; they must demonstrate the defect is not effectively remediable by IPAT’s full, ex nunc jurisdiction—especially where an oral hearing is scheduled.
  • Nationality disputes will usually be for IPAT first: even where IPO rejects nationality and stops the protection analysis, this judgment indicates that (absent systemic failure or complete denial of process) the correct course is ordinarily to pursue the IPAT appeal.
  • Systemic allegations require evidential footing: reliance on A.S. v. Chief International Protection Officer [2026] IEHC 422-type reasoning will likely require concrete evidence of an institutional practice, not merely strong disagreement with how documentary evidence was handled in a single file.
  • Mootness is not enough: the prospect that judicial review may become moot because an adequate appeal delivers (or refuses) relief will rarely outweigh the public interest in the statutory scheme proceeding.

4. Complex Concepts Simplified

  • Interlocutory stay/injunction: a temporary order stopping something (here, an IPAT appeal hearing) until the court later decides the main case.
  • Presumptive validity: administrative decisions are treated as valid unless and until set aside; courts are slow to freeze statutory processes based on unproven illegality.
  • Ex nunc appeal: a decision made “from now”—the appeal body assesses the claim using the facts and country information available at the time of its own decision, not just at first instance.
  • Adequate alternative remedy: if a statute provides a route (like an appeal) that can effectively fix the problem, courts usually require that route to be used before judicial review.
  • “Fundamental denial of justice” / “systemic defect”: not every serious mistake qualifies; the threshold points to failures that undermine the functioning of the process itself (e.g. no interview, refusal to hear the applicant, or an institutional practice preventing lawful determinations).

5. Conclusion

[2026] IEHC 470 confirms that, in the post-Amariei/A.B. landscape, the High Court will be reluctant to restrain an IPAT appeal merely because an applicant contends that the IPO wrongly rejected nationality and therefore did not complete a full protection analysis. Where an oral IPAT appeal is available and capable of determining nationality, credibility, and the substantive protection claim afresh, the appeal will ordinarily be treated as an adequate and effective remedy, making a stay inappropriate under Okunade.