Supreme Court (Ireland) – Renewal of Summonses and Service Out of the Jurisdiction

Factual and Procedural Background

The Plaintiff was employed as chief financial officer of the First and/or Second Defendant. The First Defendant is a corporate entity registered in a foreign state where it operates a mobile telephone business. The Second Defendant is a public limited company based in another foreign state, acting as a telephone company and mobile network operator and, at the relevant time, indirectly the majority shareholder in the First Defendant. The Third Defendant is a public limited company based in a further foreign state. The Plaintiff contends that the Second and Third Defendants had fiduciary duties in respect of the governance and operations of the First Defendant and that the Second Defendant oversaw governance and ethics matters.

The Plaintiff was employed by one or other of the First and Second Defendants from January 2016 until late February 2017, when his employment ended or was terminated. During his employment abroad, disputes arose between the Plaintiff and the First and Second Defendants, for which he holds all three Defendants responsible.

The Plaintiff initiated two sets of proceedings:

• Personal injuries proceedings, commenced by a personal injuries summons issued in July 2019 against all three Defendants.
• Protected disclosure proceedings, commenced by:
  • a plenary summons directed to the Second Defendant, and
  • a concurrent plenary summons directed to the First and Third Defendants,
  claiming damages under protected disclosures legislation, issued in February 2020.

Service of these summonses on the Second and Third Defendants proved complex. The Plaintiff’s lawyers attempted to serve the Second Defendant through the mechanism established by an EU service regulation (implemented domestically by a specific procedural order), using the central transmitting agency. The paperwork submitted identified the Third Defendant as addressee but gave the Second Defendant’s address; despite these defects, the Irish transmitting agency requested service on the Second Defendant from the foreign receiving agency.

The foreign receiving agency acknowledged receipt but did not effect service on the Second Defendant until September 2020, more than one year after issue of the personal injuries summons (which had expired in early July 2020), though within time for the plenary summons. The Plaintiff’s solicitor states that he was not informed of any delay and reasonably expected service within one month, as contemplated by the EU regulation.

As regards the Third Defendant, the Plaintiff initially believed that the Third Defendant’s Irish solicitors would accept service, but in December 2019 they confirmed they had no authority to do so. Thereafter, the Plaintiff’s solicitor considered methods of foreign service. It was later common case that, under a particular procedural rule, leave to serve out of the jurisdiction ought to have been sought in respect of all three Defendants, although this understanding is ultimately corrected by the Supreme Court.

For the Third Defendant, there was confusion between:

• service under the EU service regulation (applicable to defendants domiciled in certain states), and
• service under the Hague Service Convention (applicable to the Third Defendant and implemented domestically by another order).

The Plaintiff’s solicitor sent a request to the Irish transmitting agency that on its face referred to the Third Defendant but used the Second Defendant’s address. The Supreme Court does not regard this as a genuine attempt to serve the Third Defendant.

In October 2020 the Plaintiff’s solicitor wrote directly to the Swiss central authority (rather than through the designated Irish central authority) enclosing the personal injuries and protected disclosure proceedings for service on the Third Defendant under the Hague Convention. This bypassed the required domestic procedure. Nonetheless, in November 2020 the foreign central authority confirmed that documents (notices of the personal injuries and plenary summonses and translations) had been served on the Third Defendant in conformity with the Hague Convention.

In relation to both the Second and Third Defendants, there was subsequent correspondence between the parties’ solicitors from late 2020 into mid‑2021. The High Court judge found that the Defendants were fully aware throughout of the Plaintiff’s intention to seek renewal of the summonses and to regularise matters.

In June 2021, the Plaintiff made an ex parte application under the domestic rule governing renewal of expired summonses, seeking three-month renewals of all relevant summonses and leave to serve out of the jurisdiction. A High Court judge (on the ex parte application) renewed the summonses for three months, recording “difficulty in effecting service” on the Second and Third Defendants as the “special circumstances” justifying renewal, and granted leave to serve out.

The Second and Third Defendants later brought motions to set aside these ex parte renewal orders, arguing that no “special circumstances” justified renewal. A different High Court judge (the trial judge on the motions) treated the requirement of “special circumstances” under the amended procedural order as a higher threshold than the former “good reason” test, relying on recent Court of Appeal authority. She ultimately:

• upheld the renewal of both the personal injuries summons and plenary summons against the Second Defendant,
• refused renewal of the personal injuries summons against the Third Defendant, but
• upheld renewal of the concurrent plenary summons against the Third Defendant.

The Second and Third Defendants appealed to the Court of Appeal. The Plaintiff cross‑appealed in respect of the refusal to renew the personal injuries summons against the Third Defendant. The Court of Appeal allowed the Defendants’ appeals, dismissed the Plaintiff’s appeal, and treated the Plaintiff’s failure to obtain prior leave to serve out under a particular rule (Order 11A, rule 4(1)) as effectively decisive against renewal.

The Plaintiff then applied to the Supreme Court for leave to appeal. Leave was granted on the basis that the proper meaning of “special circumstances” under the renewal rule raises a systemic issue, with implications for the interpretation of that rule and the Rules of the Superior Courts generally. At the Supreme Court hearing, issues also arose about the correct interpretation and effect of the service‑out rule (Order 11A, rule 4(1)) in light of the EU jurisdiction regulation and the Lugano Convention. The Court sought and received supplemental written submissions from all parties on this point.

Legal Issues Presented

1. What is the correct interpretation of “special circumstances which justify an extension” in the domestic rule governing renewal of an expired summons (Order 8, rule 1(4)), and how should courts structure their analysis (including the role of prejudice and hardship) when deciding whether to renew?
2. What is the correct interpretation of the service‑out rule (Order 11A, rule 4(1)), particularly the phrase “each and every such co-defendant”, and was the Court of Appeal correct to treat the Plaintiff’s failure to seek leave to serve the Second and Third Defendants out of the jurisdiction as a conclusive bar to renewal?
3. Applying the proper interpretation of those rules, did “special circumstances” exist which justified renewal of:
   • the personal injuries summons and plenary summons against the Second Defendant; and
   • the personal injuries summons and concurrent plenary summons against the Third Defendant?

Arguments of the Parties

Plaintiff's Arguments

• Special circumstances identified:
  • The Second and Third Defendants had substantial notice and extensive knowledge of both sets of proceedings, including detailed pre‑action correspondence and copies of full pleadings.
• Notice as a special circumstance:
  • The Court of Appeal erred in treating notice as relevant only to prejudice. The fact that a defendant had extensive notice of proceedings can itself be relied upon to establish special circumstances, or at least contribute significantly.
  • The level of notice given in this case exceeds that in previous authorities where notice was treated as a relevant factor.
• Jurisdiction vs. service:
  • The Court of Appeal incorrectly stated that the Plaintiff had “glossed over” the need to establish the Irish courts’ jurisdiction.
  • The Plaintiff contends that jurisdiction over the Second Defendant is governed by the EU jurisdiction regulation and over the Third Defendant by the Lugano Convention; in such cases, jurisdiction depends on those instruments, not on compliance with domestic service‑out rules.
  • Any failure to comply with domestic provisions on service out (Order 11 and Order 11A) does not affect the court’s jurisdiction under those supranational regimes; the Court of Appeal erred by effectively conflating service defects with absence of jurisdiction.
• Nature of the solicitors’ mistakes:
  • The Court of Appeal’s characterisation of the solicitors’ failings as a “failure to read the Rules” is disputed.
  • The Plaintiff argues that the failures arose from misappreciation or administrative error, comparable to situations previously held capable of amounting to special circumstances, rather than wilful disregard or gross neglect.
• Delay by the foreign receiving agency:
  • The High Court treated the foreign agency’s six‑plus month delay in serving the Second Defendant and in notifying any problem as a special circumstance.
  • The Plaintiff submits that the Court of Appeal was overly exacting in discounting this factor merely because leave had technically not been obtained; even if service was procedurally deficient, the unexplained administrative delay by the foreign authority remains a relevant special circumstance.
• Prejudice and limitation:
  • If the summonses are not renewed, the Plaintiff’s claims against the Second and Third Defendants will become statute‑barred and he will likely face a substantial costs order which would be financially ruinous.
  • Neither the Second nor Third Defendant can point to concrete prejudice caused by renewal, given early and detailed notice of the claims.
  • In these circumstances, the interests of justice favour renewal.

Second Defendant's Arguments

• Structure and threshold of “special circumstances”:
  • “Special circumstances” is a de minimis threshold that must be satisfied before the court even considers renewal. Only if that threshold is met can the court move on to consider the broader interests of justice, including prejudice and hardship.
  • This operates as a “gateway” requirement: no special circumstances, no renewal.
• Scope of the Plaintiff’s original case:
  • In the original ex parte application, the Plaintiff relied only on “difficulty in effecting service” as the special circumstance.
  • No reliance was then placed on notice to the Defendants or on errors and misconceptions by the Plaintiff’s solicitor; the Plaintiff should not be allowed on appeal to re‑characterise or expand the “special circumstances” relied upon.
• Errors and delay:
  • The Plaintiff’s case is undermined by numerous errors and confusion on his side, including:
    • failure to comply with service‑out rules under Orders 11 and 11A, rule 4(1);
    • inordinate and inexcusable delay in effecting service; and
    • excessive delay in seeking renewal after the summonses had expired.
  • Such inadvertence or inattention by legal advisors rarely, if ever, amounts to special circumstances under the renewed rule; authority is cited in support of this proposition.
• Notice and insistence on proper service:
  • The Second Defendant disputes that it had “substantial notice and extensive knowledge” beyond what informal contact produced.
  • It argues it consistently insisted on being served in accordance with the applicable foreign‑service rules, which the Plaintiff ignored.
  • The rules on foreign service are not mere technicalities; a defendant is entitled to insist on their strict observance.
• Jurisdiction and service:
  • The Second Defendant denies that the Court of Appeal held service defects to go to jurisdiction in the strict sense.
  • It disputes that jurisdiction under the EU regulation or Lugano Convention can be asserted “regardless of service”; proceedings brought under Order 11A must still be validly served consistent with the Rules.
• Statute of Limitations not a special circumstance:
  • Potential statute‑barring of the action if renewal is denied cannot itself constitute a special circumstance; otherwise renewal would become almost automatic whenever limitation had expired.
  • The effect of limitation may be taken into account only as part of the broader hardship analysis once special circumstances are identified.
  • Authority is cited to show that inadvertence by a plaintiff’s lawyers and limitation problems generally do not amount to special circumstances.
• Interests of justice:
  • Given the Plaintiff’s inordinate delay and repeated inadvertence, the interests of justice favour the policies underpinning the Statute of Limitations and the finality of litigation.
  • The adverse operation of limitation on the Plaintiff cannot itself tip the balance.

Third Defendant's Arguments

• “Special circumstances” – general approach:
  • The Third Defendant relies on Court of Appeal authority emphasising that “special circumstances” is a higher test than “good reason” and that mistakes by lawyers rarely qualify.
  • It argues that the Plaintiff’s solicitors had not even made “reasonable efforts” at service by the time of the renewal application; and, even if they had, such efforts alone would not suffice to establish special circumstances.
• Notice and informal service:
  • The Third Defendant contends that mere notice of proceedings during a period of non‑service should “exceedingly rarely” constitute a special circumstance.
  • If informal or irregular means that happen to bring proceedings to a defendant’s attention (e.g., posting a summons abroad) were enough to establish special circumstances, this would undermine the structured rules on foreign service grounded in international and EU obligations.
  • Such an approach could incentivise plaintiffs to attempt informal or irregular service in the hope that defendants do not object, knowing that the summons can later be renewed.
• Prejudice and burden of proof:
  • Overemphasis on the absence of prejudice to the defendant risks reversing the burden of proof on renewal applications.
  • The revised rule was intended to raise the threshold, not to make renewal depend primarily on whether the defendant can show prejudice.
• Order 11A, rule 4(1) and service requirements:
  • Leave to serve the Third Defendant out was not granted until June 2021, almost a year after expiry of the personal injuries summons and four months after expiry of the plenary summons.
  • Neither summons could, therefore, have been validly served before expiration; there were no bona fide attempts at valid service.
  • The Brussels Regulation and Lugano Convention may allow service without leave in certain cases, but proceedings must still be validly served before they can progress; analysing jurisdiction without regard to service is said to be practically irrelevant in ordinary civil litigation.
• Misconceptions by the Plaintiff’s lawyers:
  • Two fundamental mistakes are identified:
    • overlooking the requirement to obtain leave to serve out; and
    • misunderstanding the requirements for Hague‑Convention service on the Third Defendant.
  • Even after the Third Defendant’s solicitors insisted on strict service in December 2019, the Plaintiff’s solicitors did not realise the need for leave or for Hague‑Convention service.
  • Direct communication with the foreign central authority in November 2020 occurred when the personal injuries summons had already expired and before leave for service of the plenary summons had been obtained; this could not amount to a reasonable attempt at valid service.
  • These difficulties in effecting service were entirely self‑induced and could have been resolved at any time by consulting the procedural rules.
• Cumulative errors do not become special circumstances:
  • The requirement for renewal arose solely from a “catalogue of errors” by the Plaintiff’s lawyers.
  • If even a single instance of inadvertence rarely qualifies as a special circumstance, a series of consecutive errors should not do so.

Table of Precedents Cited

Precedent	Rule or Principle Cited For	Application by the Court
Murphy v HSE [2021] IECA 3	Interprets “special circumstances” under the amended renewal rule as a higher test than the former “good reason”. “Special” denotes circumstances beyond the ordinary or usual, though not necessarily “extraordinary”. Notes that inadvertence or inattention by legal advisors in effecting service will “rarely” amount to special circumstances. Explains that the need to consider interests of justice, prejudice and hardship is encompassed within the phrase “special circumstances which justify extension”; the decision to renew is discretionary.	The Supreme Court adopts this understanding of “special circumstances” and the emphasis on circumstances beyond the ordinary. The Court endorses the view that mere inadvertence or inattention by legal advisors will rarely qualify, although in very exceptional settings (such as a widespread mistake of law) such matters may contribute to special circumstances. The Court relies on Murphy’s explanation that the assessment of special circumstances and justification (including prejudice) forms part of a single evaluative exercise.
Nolan v Board of Management of St. Mary’s Diocesan School [2022] IECA 10	Clarifies that, while there is no rigid “second limb”, the court must first establish that special circumstances exist before proceeding to consider prejudice and the interests of justice. Rejects the view that the court should begin with prejudice; that would undermine the clear intent of the new rule.	The Supreme Court refers to this authority when discussing whether there is a “gateway” requirement. The Court concludes that, although a plaintiff must identify special circumstances, it is more accurate to treat the analysis as a single, overall assessment rather than as distinct stages governed by different tests.
Chambers v Kenefick [2005] IEHC 526	Sets out a structured approach under the former version of the renewal rule (“good reason” test): Ascertain whether there is good reason to renew. If so, consider whether renewal is in the interests of justice, taking into account good reason. In that context, weigh the balance of hardship between the parties.	Murphy refers to this structure and the Supreme Court in turn notes that the revised “special circumstances” test still involves a consideration of the interests of justice and hardship, though not as separate “limbs”. The Supreme Court treats Chambers as an antecedent for the balancing of prejudice and hardship, now subsumed within the phrase “special circumstances which justify an extension”.
Moynihan v Dairygold Co-operative Society Limited [2006] IEHC 318	Provides a warning to practitioners that proper attention must be given to timely service of proceedings, particularly where the limitation period may expire after one year from issue. Indicates that inadvertence of this kind would not meet the former “good reason” threshold.	Murphy cites this decision to support the proposition that inadvertence is insufficient even for “good reason”; the Supreme Court adopts this reasoning in concluding that inadvertence or inattention by legal advisors will rarely amount to special circumstances under the higher threshold.
Downes v TLC Nursing Home Limited [2020] IEHC 465	Held that inadvertence or inattention by legal advisors will “rarely, if ever” amount to special circumstances under the renewed rule. Emphasised the court’s obligation to progress proceedings in a timely fashion rather than to indulge parties who fail to serve within time.	Cited by the Second Defendant to support its contention that the Plaintiff’s solicitors’ errors cannot amount to special circumstances, and that the Statute of Limitations should ordinarily be allowed to operate. The Supreme Court accepts the general principle that mere inadvertence will rarely be sufficient, but distinguishes the present case in part because of an identified widespread mistake of law about a particular service‑out rule.
Kearns v Evenson [2023] IECA 297	Reiterates that the onus is on the plaintiff to establish special circumstances which may justify renewal. Describes the analysis as a single, broad consideration of whether, in the interests of justice (having weighed prejudice and countervailing circumstances), the summons should be renewed; emphasises that this is not a rigid two‑stage process.	The Supreme Court “broadly” agrees with this description and explicitly endorses the view that the test under Order 8, rule 1(4) is not a two‑stage process with different thresholds. The Court uses this authority to support its conclusion that references to a “gateway requirement” are not particularly helpful, and that the proper question is whether identified special circumstances justify an extension in light of all relevant factors.
Heather Hill Management Company CLG v An Bord Pleanála [2022] 2 ILRM 313	Re‑states general principles of statutory interpretation, including: starting with the ordinary and natural meaning of the words; considering context, including the immediate provision, other sections, legislative history, and the mischief to be remedied; using canons and principles of interpretation; and where ambiguity remains, seeking to discern the intended object of the provision.	The Supreme Court applies these principles (treating them as applicable to secondary legislation such as court rules) when interpreting Order 11A, rule 4(1). Using the Heather Hill approach, the Court concludes that “each and every such co-defendant” refers to the subset of defendants not domiciled in EU or Lugano states, rather than to all co-defendants.
The People (DPP) v Brown [2019] 2 IR 1	Sets out, in the judgment cited in Heather Hill, a structured description of the interpretative process: start with the words of the statute, given their ordinary meaning; consider them in context (including surrounding provisions and legislative history); apply interpretative canons; and if ambiguity remains, consider the objective and mischief of the legislation.	The Supreme Court, via Heather Hill, relies on these principles when determining the meaning of Order 11A, rule 4(1). This leads to the conclusion that a narrower, “conforming” interpretation (consistent with the EU regulation and Lugano Convention) is required, and that the broader interpretation applied by the Court of Appeal was erroneous.

Court's Reasoning and Analysis

1. Interpretation of Order 8, Rule 1(4) – “Special Circumstances”

The Supreme Court begins by setting out the current text of Order 8, which, since a 2019 amendment, distinguishes between:

• applications made to the Master of the High Court within 12 months of issue (sub‑rules (1)–(2): “reasonable efforts” or “other good reason”), and
• applications to the court after 12 months (sub‑rules (3)–(4): “special circumstances which justify an extension”).

Reviewing the Court of Appeal authorities, the Supreme Court agrees that:

• “special circumstances” is a more demanding threshold than “good reason”; it requires something beyond the ordinary or usual, though not necessarily “extraordinary”.
• courts must consider prejudice and hardship as part of deciding whether special circumstances “justify” renewal, not as a wholly separate second stage.

The Court endorses the description that the test is not genuinely two‑stage in the sense of separate standards. Instead, the rule asks a single composite question: are there special circumstances which, when considered together with all relevant background factors (including delay, prejudice, hardship and the interests of justice), justify extension?

While a plaintiff must still identify “special circumstances”, the Court considers that describing this as a rigid “gateway requirement” is unhelpful if it implies a free‑standing, prior hurdle entirely detached from the wider balancing exercise. The Court confirms that:

• the existence and nature of the alleged special circumstances must be established on the facts of the particular case; and
• the court then evaluates whether, in light of those circumstances and any countervailing prejudice or hardship, renewal is in the interests of justice.

As regards inadvertence or inattention by legal advisors, the Court accepts that such conduct will “rarely” amount to special circumstances, especially given that it would not typically have met the former “good reason” threshold. However, the Court does not exclude, in principle, that in an exceptional factual matrix (for example, where there is a widespread and understandable mistake of law about a complex procedural rule), such matters may contribute to special circumstances.

2. Interpretation of Order 11A, Rule 4(1) – Leave to Serve Out of the Jurisdiction

The Court next addresses the interpretation of Order 11A, rule 4(1), which had been treated in the lower courts as requiring leave to serve out of the jurisdiction in respect of all co‑defendants whenever at least one co‑defendant was not domiciled in an EU Member State or Lugano Convention state. This had led the Court of Appeal to regard the Plaintiff’s failure to obtain leave to serve the Second and Third Defendants as a decisive (“knock‑out”) defect.

Order 11A, rule 4(1) provides that where proceedings fall within its scope and “not every” co‑defendant is domiciled in an EU or Lugano state, “the provisions of Order 11 requiring leave to serve out of the jurisdiction shall apply to each and every such co-defendant”. The question is whether “each and every such co-defendant” refers to:

• all co‑defendants (the broad “literal” interpretation adopted below), or
• only the subset of co‑defendants who are not domiciled in EU or Lugano states (the “alternative” interpretation advanced by the Plaintiff and favoured by the Court).

Applying the general interpretative principles from Heather Hill and the earlier authority it cites, the Court reasons as follows:

• Ordinary and natural meaning: The word “such” in “each and every such co-defendant” naturally refers back to the previously described subset, namely those co‑defendants who are not domiciled in an EU Member State or Lugano Contracting State. On this reading, the rule simply confirms that, in mixed‑defendant proceedings, the Order 11 leave requirement continues to apply to each and every non‑EU/Lugano co‑defendant.
• Context and structure: Order 11A, as a whole, is designed to implement the Brussels Regulation and the Lugano Convention by allowing service without leave where those instruments apply. Reading rule 4(1) as re‑imposing an Order 11 leave requirement on EU/Lugano defendants merely because they are sued with non‑EU/Lugano co‑defendants would sit uneasily with that structure and purpose.
• Conformity with EU and Lugano law: As a measure implementing EU and international instruments, Order 11A must, so far as possible, be construed consistently with those regimes. Subjecting an EU/Lugano defendant to a discretionary, forum‑conveniens style leave requirement under Order 11 could result in refusal of leave to serve out in cases where the EU regulation or Lugano Convention confers a right to sue, which would be inconsistent with those instruments.
• Mischief addressed: The apparent purpose of rule 4(1) is to clarify the treatment of “mixed defendant” cases: it confirms that, notwithstanding the availability of Brussels/Lugano jurisdiction in respect of some defendants, traditional Order 11 leave requirements remain applicable to each non‑EU/Lugano defendant. There is no evident policy reason for imposing an Order 11 leave requirement on EU/Lugano defendants solely because they are joined with a non‑EU/Lugano party.

On this basis, the Court concludes that the correct interpretation of Order 11A, rule 4(1) is the narrower one: the Order 11 leave requirement applies only to each non‑EU/Lugano co‑defendant in mixed‑defendant proceedings. The broader interpretation applied by the Court of Appeal was erroneous and inconsistent with the implementing purpose of Order 11A.

Consequently, the Plaintiff was not required to obtain leave to serve the Second and Third Defendants under Order 11A, rule 4(1) in the way assumed below. The Court of Appeal’s treatment of non‑compliance with that rule as the “beginning and end” of the matter is held to be wrong. The Supreme Court therefore proceeds to re‑examine renewal by applying the correct test under Order 8, rule 1(4), without treating any supposed failure to obtain leave under Order 11A, rule 4(1) as a knock‑out blow.

3. Application to the Second Defendant

(a) Personal Injuries Summons

The personal injuries summons against the Second Defendant was issued in July 2019. The Plaintiff’s solicitor sought to serve it (and later the plenary summons) on the Second Defendant in Sweden under the EU service regulation via the Irish transmitting agency. Under that regulation, the receiving agency was required to take all necessary steps to effect service “as soon as possible and in any event within one month” of receipt and to inform the transmitting agency if service could not be effected within that period.

In reality, the foreign agency did not serve the Second Defendant until September 2020, two months after the personal injuries summons had expired. The uncontradicted evidence is that the Plaintiff’s solicitor was not informed of any delay and reasonably expected service to occur within the one‑month timeframe prescribed by the regulation.

The High Court (both on the ex parte application and on the Defendants’ motions) concluded that this failure by the foreign receiving agency to serve within time, or to notify its failure, constituted “special circumstances”. The Supreme Court agrees:

• This was a circumstance beyond the ordinary or usual operation of the EU service mechanism.
• The Plaintiff had no control over the foreign agency’s performance of its obligations.

Having identified special circumstances, the Court then considers whether they “justify” renewal when balanced against prejudice and hardship. In line with the trial judge’s analysis, the Court emphasises that:

• The Second Defendant had notice of the personal injuries proceedings almost immediately after issue and had long been aware of the underlying disputes.
• The personal injuries summons was detailed (20 pages), which would have enabled the Second Defendant to preserve relevant records, assemble evidence and notify insurers.
• There is no convincing showing of prejudice to the Second Defendant from renewal.
• The likely consequence of refusing renewal would be that the Plaintiff’s claim would be statute‑barred; while not decisive alone, this is an appropriate factor in the balance of hardship.

In these circumstances, the Court holds that the special circumstances arising from the foreign agency’s delay, combined with the absence of real prejudice and the seriousness of the consequences for the Plaintiff, justify renewal of the personal injuries summons against the Second Defendant. It would be contrary to the interests of justice to set aside the renewal order.

(b) Plenary Summons (Protected Disclosure Proceedings)

The plenary summons in the protected disclosure proceedings against the Second Defendant was issued in February 2020 and served in September 2020. This service occurred five months before the summons would have expired in February 2021. Therefore, from a timing standpoint, there was no need to apply for its renewal; the application was made solely because the Plaintiff’s advisers believed service was irregular due to the supposed need for leave under Order 11A, rule 4(1).

Given the Court’s conclusion that this leave was not, in fact, required for the Second Defendant, the perceived irregularity disappears. The plenary summons had been validly served within its lifetime. In any event, the High Court had renewed it and refused to set aside that renewal. The Supreme Court confirms that refusal, noting that the renewal order was unnecessary but not invalid.

4. Application to the Third Defendant

(a) Personal Injuries Summons

The personal injuries summons against the Third Defendant was issued in July 2019 and expired in July 2020. The Court examines whether any steps were taken, during the lifetime of this summons, which could generate “special circumstances” justifying its renewal.

The High Court judge appeared to treat the February 2020 request to the Irish transmitting agency (which identified the Third Defendant as addressee but gave the Second Defendant’s Swedish address) as a putative attempt to serve both sets of proceedings on the Third Defendant under the EU service regulation. The Supreme Court disagrees. It points out that the Plaintiff’s solicitor, in his sworn evidence:

• stated that, as of late January 2020, he understood that service on the Second and Third Defendants fell under the EU regulation and the Hague Convention respectively; and
• never averred that the February 2020 procedure was intended as service on the Third Defendant, and accepted that the EU regulation did not apply to the Third Defendant.

On that basis, the Court finds it inappropriate to characterise the February 2020 step as a genuine attempt to serve the Third Defendant. In any event, the record discloses that:

• no steps were taken to initiate Hague‑Convention service on the Third Defendant during the lifetime of the personal injuries summons; the first such step (a direct letter to the foreign central authority) was taken in October 2020, months after expiry; and
• the solicitor does not explain why, despite understanding the need for Hague‑Convention service as of January 2020, no steps were taken between that date and July 2020 to effect service under that mechanism.

Although the foreign central authority ultimately confirmed service in November 2020 (after irregular initiation of the Hague process), the Court holds that special circumstances that could justify renewal must normally arise during the 12‑month period when the summons is in force. Here, there is simply no evidence of any qualifying circumstance within that period.

In the absence of evidence explaining the failure to commence appropriate Hague‑Convention service during the life of the personal injuries summons, the Court concludes that it was not open to the High Court to find “special circumstances” justifying renewal of this summons against the Third Defendant. The Court therefore agrees—albeit by a somewhat different route—with the ultimate conclusion that renewal of the personal injuries summons against the Third Defendant should be refused.

(b) Concurrent Plenary Summons (Protected Disclosure Proceedings)

The concurrent plenary summons against the Third Defendant was issued in February 2020 and served in November 2020, well within the 12‑month lifespan of that summons. Service was effected through the foreign central authority, but the Plaintiff’s solicitor had bypassed the domestic central authority (the Master of the High Court), thus not strictly complying with domestic Hague‑Convention implementation rules. The High Court judge identified two irregularities:

• a supposed failure to obtain leave under Order 11A, rule 4(1) (now held by the Supreme Court not to have been an irregularity), and
• non‑compliance with the correct Hague‑Convention procedure (Order 11E) due to bypassing the domestic central authority.

Notwithstanding these problems, the foreign central authority issued a certificate in November 2020 stating that service had been effected in conformity with the Hague Convention. The High Court judge reasoned that:

• since the plenary summons had been served before expiry, there was at least a basis for thinking the irregular service might be cured or deemed good by the court; and
• the Plaintiff was entitled to take reassurance from the foreign central authority’s certificate.

The Supreme Court acknowledges that renewal of this summons presents the “closest call” but ultimately upholds the High Court’s decision to renew. Its reasoning includes the following elements:

• Timing and potential to cure irregularity: The Third Defendant’s solicitors raised concerns in November 2020 about compliance with Hague‑Convention requirements. At that stage, there were still nearly three months remaining within which the Plaintiff could, in principle, have re‑served the plenary summons in strict compliance with domestic Hague‑Convention procedures.
• Widespread mistake concerning Order 11A, rule 4(1): By that time, however, the Plaintiff’s solicitors were confronted with what appeared (to many practitioners and to the lower courts) to be a more fundamental problem: an asserted need for leave under Order 11A, rule 4(1) to serve the Third Defendant out of the jurisdiction. This view had been clearly advanced by the Defendants’ solicitors and appeared to be widely held within the profession.
• Nature of the solicitors’ mistake: The Court distinguishes between isolated inadvertence and a more systemic, widespread mistake of law about the interaction between service‑out rules and the Brussels/Lugano regimes. It regards the latter, in the particular circumstances, as capable of constituting a “special circumstance” rather than merely ordinary inattention.
• Lack of prejudice and early notice: The Third Defendant had early and detailed notice of the claim. There was no suggestion that the absence of a certificate from the domestic central authority caused any real prejudice to the Third Defendant’s ability to defend the proceedings.
• Effected service before expiry: Crucially, service—albeit technically irregular—had in fact been effected by the foreign central authority before the summons expired.

Taking these factors together, the Court holds that:

• the combination of a widely misconceived understanding of Order 11A, rule 4(1), the irregular but effective foreign service, and the absence of real prejudice constitutes “special circumstances” that prima facie may justify renewal; and
• once prejudice and hardship are weighed, those special circumstances do, in fact, justify renewal, such that it would be contrary to the interests of justice to set aside the renewal order.

Accordingly, the Supreme Court upholds the renewal of the concurrent plenary summons against the Third Defendant.

Holding and Implications

Holding:

• As regards the Second Defendant, the Supreme Court ALLOWS the Plaintiff’s appeal and substitutes orders refusing to set aside the renewal of:
  • the personal injuries summons; and
  • the plenary summons in the protected disclosure proceedings.
• As regards the Third Defendant, the Court ALLOWS IN PART the Plaintiff’s appeal by:
  • substituting an order refusing to set aside the renewal of the concurrent plenary summons in the protected disclosure proceedings; but
  • DISMISSES the appeal insofar as it challenges the Court of Appeal’s affirmance of the High Court’s refusal to renew the personal injuries summons.
  • The Court indicates that further or ancillary orders (e.g. on costs) will be made following any additional submissions of the parties.

  Implications:

  • Clarification of “special circumstances” under Order 8, rule 1(4):
    • The decision confirms that “special circumstances” denotes circumstances beyond the ordinary or usual and that the threshold is higher than the former “good reason” test.
    • The Court emphasises that the analysis is a single, holistic inquiry—whether identified special circumstances “justify” renewal—rather than a rigid two‑stage test, though plaintiffs still bear the burden of identifying such circumstances.
    • Inadvertence or inattention by legal advisors will rarely suffice, but in exceptional contexts, such as a widespread and understandable mistake of law, such factors can contribute to special circumstances.
  • Interpretation of Order 11A, rule 4(1):
    • The Court definitively rejects the view that this rule requires leave to serve all co‑defendants whenever at least one co‑defendant is outside the EU/Lugano ambit.
    • Instead, the Order 11 leave requirement under this rule applies only to each co‑defendant who is not domiciled in an EU Member State or Lugano Convention state in “mixed‑defendant” cases.
    • This interpretation aligns domestic rules with the EU jurisdiction regulation and the Lugano Convention and prevents the imposition of an inconsistent discretionary leave requirement on defendants governed by those instruments.
  • Foreign service difficulties as special circumstances:
    • Where a foreign receiving agency under an international or EU service instrument fails, without explanation, to effect service within the prescribed time or to notify the transmitting agency, such administrative failure can amount to a special circumstance beyond the plaintiff’s control.
  • Effect of irregular but timely service under international instruments:
    • Timely but technically irregular foreign service, particularly where an authorised foreign central authority certifies service and the defendant suffers no real prejudice, may support a finding of special circumstances and justify renewal.
  • Direct effect on the parties:
    • The Plaintiff may proceed with both the personal injuries and protected disclosure claims against the Second Defendant and with the protected disclosure claim (but not the personal injuries claim) against the Third Defendant.
    • The Third Defendant is no longer exposed to the renewed personal injuries proceedings but remains subject to the protected disclosure proceedings.
  • Broader significance:
    • The judgment provides authoritative guidance to lower courts and practitioners on:
      • the proper approach to renewal applications under Order 8;
      • the limited role of practitioner mistakes as “special circumstances”;
      • the interaction between domestic service‑out rules and EU/Lugano jurisdiction regimes; and
      • the treatment of mixed‑defendant proceedings involving both EU/Lugano and non‑EU/Lugano defendants.
    • While the decision does not purport to create a new general test beyond the rules themselves, it clarifies their meaning in a way that is likely to be followed in future renewal and service‑out disputes.