Notice: We are currently performing maintenance to improve the italaw platform. The site remains fully accessible. Thank you for your patience.

Cube Infrastructure Fund SICAV and others v. Kingdom of Spain, ICSID Case No. ARB/15/20

Short Name:

Cube Infrastructure and others v. Spain

Seat of Arbitration:
Applicable Legal Instruments:
Economic Sector:
Amount of Damages:
US $37,308,450
Other Remedy:
Respondent shall pay the Claimants €1,545,501.80 plus USD 262,500.00 in respect of the costs.

Available documents

19 Feb 2019
Decision on Jurisdiction, Liability and Partial Decision on Quantum
Document provided by: IA Reporter
Document Details:
PARTICIPANTS
Decision on Jurisdiction, Liability and Partial Decision on Quantum
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Claimant appointee:
Respondent appointee
Respondent appointee:
Tribunal/Panel chair
Chair/President:
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Decision on Jurisdiction, Liability and Partial Decision on Quantum
This summary note is machine-generated. Always consult the original materials.


19 Feb 2019
Separate and Partial Dissenting Opinion of Professor Christian Tomuschat
Document provided by: IA Reporter
Document Details:
PARTICIPANTS
Separate and Partial Dissenting Opinion of Professor Christian Tomuschat
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Claimant appointee:
Respondent appointee
Respondent appointee:
Tribunal/Panel chair
Chair/President:
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Separate and Partial Dissenting Opinion of Professor Christian Tomuschat
This summary note is machine-generated. Always consult the original materials.


26 Jun 2019
Final Award
Document provided by: IA Reporter
Document Details:
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Claimant appointee:
Respondent appointee
Respondent appointee:
Tribunal/Panel chair
Chair/President:
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Final Award
This summary note is machine-generated. Always consult the original materials.


2 Apr 2020
Decision on the EU Commission's Application for Leave to Intervene as a Non-Disputing Party
Document provided by: IA Reporter
Document Details:
PARTICIPANTS
Decision on the EU Commission's Application for Leave to Intervene as a Non-Disputing Party
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Decision on the EU Commission's Application for Leave to Intervene as a Non-Disputing Party
This summary note is machine-generated. Always consult the original materials.


17 Apr 2020
Decision on the Continuation of the Provisional Stay of Enforcement of the Award
Document provided by: IA Reporter
Document Details:
PARTICIPANTS
Decision on the Continuation of the Provisional Stay of Enforcement of the Award
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Decision on the Continuation of the Provisional Stay of Enforcement of the Award
This summary note is machine-generated. Always consult the original materials.


23 Jun 2020
Claimant Petition to Recognize and Enforce an ICSID Arbitration Award
Document Details:
PARTICIPANTS
Claimant Petition to Recognize and Enforce an ICSID Arbitration Award
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Claimant Petition to Recognize and Enforce an ICSID Arbitration Award
This summary note is machine-generated. Always consult the original materials.


28 Mar 2022
Decision on Annulment
Document Details:
PARTICIPANTS
Decision on Annulment
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Claimant's counsel
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Decision on Annulment
This summary note is machine-generated. Always consult the original materials.


31 Mar 2023
Report and Recommendation of the United States District Court for the District of Columbia
Document provided by: Jus Mundi
Document Details:
PARTICIPANTS
Report and Recommendation of the United States District Court for the District of Columbia
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Claimant's counsel
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Report and Recommendation of the United States District Court for the District of Columbia
This summary note is machine-generated. Always consult the original materials.


27 Jan 2025
Order of the US District Court for the District Of Columbia Denying Motion to Stay
Document Details:
PARTICIPANTS
Order of the US District Court for the District Of Columbia Denying Motion to Stay
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Claimant's counsel
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Entities
Document Summary
Order of the US District Court for the District Of Columbia Denying Motion to Stay
This summary note is machine-generated. Always consult the original materials.


14 Aug 2025
Memorandum Opinion of the United States District Court for the District of Columbia
Document Details:
PARTICIPANTS
Memorandum Opinion of the United States District Court for the District of Columbia
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Claimant's counsel
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Country in which this occurs:
Print reporter
Document Summary
Memorandum Opinion of the United States District Court for the District of Columbia
This summary note is machine-generated. Always consult the original materials.

Procedural Posture

This Memorandum Opinion, issued by the United States District Court for the District of Columbia, addresses the plaintiffs' action to confirm a €33.7 million ICSID arbitral award rendered against the Kingdom of Spain under the Energy Charter Treaty (ECT). The Court reviewed the Magistrate Judge’s Report and Recommendation (R&R), Spain’s objections thereto, and supplemental briefing concerning the impact of the D.C. Circuit’s binding decision in NextEra Energy Glob. Holdings B.V. v. Kingdom of Spain.

Jurisdiction and the FSIA

The principal legal issue concerned the Court's subject-matter jurisdiction under the Foreign Sovereign Immunities Act (FSIA). Spain objected to the application of the FSIA’s arbitration exception, arguing that the ECT does not apply to intra-EU disputes and that EU law should govern. Relying on the D.C. Circuit’s precedent in NextEra, the Court affirmed that the FSIA’s arbitration exception applies, a jurisdictional point Spain ultimately conceded in its supplemental briefing.

Enforcement Defenses and Tribunal Reasoning

Spain further resisted enforcement by challenging the ICSID tribunal's jurisdiction to enter the award and invoking the foreign sovereign compulsion doctrine. The Court firmly rejected these arguments, emphasizing that under 22 U.S.C. § 1650a and Article 54 of the ICSID Convention, a domestic enforcing court is strictly prohibited from reviewing an ICSID award’s merits or the tribunal's underlying jurisdictional determinations. The Court also dismissed Spain's forum non conveniens defense, citing established D.C. Circuit precedent that such a defense is unavailable in proceedings to confirm a foreign arbitral award because only U.S. courts can attach foreign commercial assets located within the United States.

Decision

Finding no clear error in the Magistrate Judge's R&R, the Court adopted it in full. Consequently, the Court denied Spain’s motion to dismiss, denied the plaintiffs’ motion for judgment on the pleadings, and granted the plaintiffs’ alternative motion for summary judgment, thereby confirming the arbitral award.



14 Aug 2025
Order of the United States District Court for the District of Columbia
Document Details:
PARTICIPANTS
Order of the United States District Court for the District of Columbia
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Claimant's counsel
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Country in which this occurs:
Print reporter
Document Summary
Order of the United States District Court for the District of Columbia
This summary note is machine-generated. Always consult the original materials.

This Order, issued by the United States District Court for the District of Columbia, constitutes the final judgment in the proceedings between the Plaintiffs and the Defendant, the Kingdom of Spain. The procedural posture involves the Court's review of Magistrate Judge Upadhyaya’s Report and Recommendation alongside several dispositive motions filed by the respective parties.

In its operative directions, the Court adopted the Magistrate Judge’s Report and Recommendation in full, relying on the reasoning set forth in its concurrently issued Memorandum Opinion. Consequently, the Court denied the Defendant's Motion to Dismiss. Furthermore, while the Court denied the Plaintiffs’ Motion for Judgment on the Pleadings, it granted the Plaintiffs’ alternative Motion for Summary Judgment.

The Court explicitly designated this Order as a final judgment within the meaning of Rule 58(a) of the Federal Rules of Civil Procedure and directed the Clerk of Court to terminate the case.



15 Sep 2025
Notice of Appeal
Document Details:
PARTICIPANTS
Notice of Appeal
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Claimant's counsel
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Print reporter
Document Summary
Notice of Appeal
This summary note is machine-generated. Always consult the original materials.

This document constitutes a Notice of Appeal filed by the Defendant, the Kingdom of Spain, before the United States District Court for the District of Columbia. The filing formally initiates appellate proceedings before the United States Court of Appeals for the District of Columbia Circuit, challenging the District Court's final disposition of the underlying action.

The appeal specifically targets the District Court's Memorandum Opinion and Order dated August 14, 2025. Through the contested rulings, the District Court adopted the Magistrate Judge's Report and Recommendation, denied Spain's Motion to Dismiss, and granted the Plaintiffs' Motion for Summary Judgment. Furthermore, the notice preserves Spain's right to challenge all interlocutory orders that have merged into the final judgment.



10 Jul 2026
Order of the US Court of Appeals for the District of Columbia
Document Details:
PARTICIPANTS
Order of the US Court of Appeals for the District of Columbia
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Claimant's counsel
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Country in which this occurs:
Print reporter
Document Summary
Order of the US Court of Appeals for the District of Columbia
This summary note is machine-generated. Always consult the original materials.

This document is a procedural order issued by the United States Court of Appeals for the District of Columbia Circuit, addressing case management and consolidation following the resolution of related appellate proceedings before the Supreme Court of the United States.

The Court granted the motion to consolidate Case No. 26-7021 (Blasket Renewable Investments, LLC v. Kingdom of Spain) with the already consolidated proceedings in Case No. 25-7136 (Cube Infrastructure Fund SICAV, et al. v. Kingdom of Spain). Furthermore, acting sua sponte, the Court ordered that the newly consolidated cases be returned to its active docket. This directive was issued in light of the Supreme Court’s denial of the petition for a writ of certiorari in Kingdom of Spain v. Blasket Renewable Investments LLC (No. 24-1130) on June 29, 2026.

In its operative directions, the Court instructed the parties to file motions to govern the consolidated cases by August 3, 2026. Emphasizing judicial efficiency, the Court strongly urged the parties to submit a joint proposal for any requested briefing schedule. The panel explicitly warned against repetitious submissions, noting that aligned parties may be required to file a joint brief subject to standard word limits. The Court mandated that any requests for separate briefing or expanded aggregate word allotments must be supported by detailed justifications specifying the necessary word count for each distinct issue.



3 Aug 2026
Joint Motion to Govern Further Proceedings
Document Details:
PARTICIPANTS
Joint Motion to Govern Further Proceedings
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Respondent's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Country in which this occurs:
Print reporter
Document Summary
Joint Motion to Govern Further Proceedings
This summary note is machine-generated. Always consult the original materials.

Procedural Posture

This document is a Joint Motion to Govern Further Proceedings filed before the United States Court of Appeals for the District of Columbia Circuit. The filing addresses five consolidated appeals brought by the Kingdom of Spain challenging district court judgments that enforced various arbitral awards rendered under the Energy Charter Treaty (ECT) and the ICSID Convention. Following the United States Supreme Court’s denial of Spain’s petition for certiorari in a related enforcement action (NextEra), the D.C. Circuit directed the parties to propose a schedule for further appellate proceedings.

Parties' Positions on Briefing and Abeyance

The parties present divergent proposals regarding the appellate briefing schedule. Spain requests that panel briefing be held in abeyance pending the disposition of its forthcoming petition for initial en banc review. Spain contends that en banc consideration is warranted to revisit the D.C. Circuit’s precedent on the Foreign Sovereign Immunities Act (FSIA) arbitration exception and the availability of forum non conveniens in enforcement proceedings. In support of this position, Spain relies heavily on a recent amicus curiae brief filed by the United States Solicitor General, which criticized the prior panel's reasoning in NextEra regarding the intra-EU jurisdictional objection.

Conversely, the Appellees (award creditors) strongly oppose any further stay of the proceedings. They argue that initial en banc review is highly disfavored and unlikely to be granted, particularly given the D.C. Circuit’s recent refusal to hear the exact same issues en banc. The Appellees characterize Spain’s request as a dilatory tactic designed to obstruct ongoing post-judgment attachment and execution efforts under 28 U.S.C. § 1610(c). Accordingly, the Appellees request the entry of a standard briefing schedule to ensure the expeditious resolution of the consolidated appeals.



10 Aug 2026
Petition for Initial Hearing En Banc
Document Details:
PARTICIPANTS
Petition for Initial Hearing En Banc
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Respondent appointee
Tribunal/Panel chair
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Claimant's counsel
Other counsel
Claimant's expert
Respondent's expert
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Country
Country in which this occurs:
Print reporter
Document Summary
Petition for Initial Hearing En Banc
This summary note is machine-generated. Always consult the original materials.

Procedural Posture

This document is a Petition for Initial Hearing En Banc filed by the Respondent-Appellant, the Kingdom of Spain, before the United States Court of Appeals for the District of Columbia Circuit. The petition arises from a series of consolidated appeals concerning the enforcement of arbitral awards rendered against Spain under the Energy Charter Treaty (ECT). Spain seeks en banc review to overrule two binding circuit precedents that currently foreclose its threshold defenses regarding subject-matter jurisdiction and forum non conveniens.

Principal Legal Issues and Positions

Spain advances two primary arguments for en banc review. First, Spain contends that the court should overrule NextEra Energy Global Holdings B.V. v. Kingdom of Spain, which interpreted the arbitration exception of the Foreign Sovereign Immunities Act (FSIA), 28 U.S.C. § 1605(a)(6). Spain argues that NextEra improperly blue-penciled the statute by permitting jurisdiction whenever a sovereign has consented to arbitrate with any party, rather than requiring consent to arbitrate specifically with the plaintiff. Spain asserts that this holding departs from the statutory text, conflicts with decisions from the Second and Fifth Circuits, and ignores Supreme Court guidance on determining the validity of arbitration agreements.

Second, Spain urges the full court to overrule TMR Energy Ltd. v. State Property Fund of Ukraine, which established a categorical ban on the application of forum non conveniens in proceedings to confirm foreign arbitral awards. Spain argues that this per se rule flouts Supreme Court precedent, which requires a flexible, fact-specific balancing test, and creates an unwarranted circuit split with the Second Circuit. Spain maintains that restoring the availability of forum non conveniens is critical in cases implicating foreign affairs and international comity.

Relief Sought

Spain requests that the D.C. Circuit grant an initial hearing en banc to overrule both NextEra and TMR. By doing so, Spain seeks to vacate the lower courts' judgments and remand the consolidated cases for a de novo determination of its sovereign immunity defense and a proper assessment of its forum non conveniens arguments, thereby avoiding premature adjudication of complex merits issues.