SWISSBOURGH DIAMOND MINES (PTY) LIMITED & 8 Ors v KINGDOM OF LESOTHO

Case Details

• Citation: [2018] SGCA 81
• Court: Court of Appeal of the Republic of Singapore
• Decision Date: 27 November 2018
• Coram: Sundaresh Menon CJ, Andrew Phang Boon Leong JA, Judith Prakash JA, Tay Yong Kwang JA, Steven Chong JA
• Case Number: Civil Appeal No 149 of 2017 (arising from Originating Summons No 492 of 2016)
• Hearing Date(s): 17, 21 May 2018
• Appellants: (1) SWISSBOURGH DIAMOND MINES (PTY) LIMITED; (2) JOSIAS VAN ZYL; (3) THE JOSIAS VAN ZYL FAMILY TRUST; (4) THE BURMILLA TRUST; (5) MATSOKU DIAMONDS (PTY) LIMITED; (6) MOTETE DIAMONDS (PTY) LIMITED; (7) ORANGE DIAMONDS (PTY) LIMITED; (8) PATISENG DIAMONDS (PTY) LIMITED; (9) RAMPAI DIAMONDS (PTY) LIMITED
• Respondent: KINGDOM OF LESOTHO
• Counsel for Appellants: Stephen Richard Jagusch QC (instructed counsel, Quinn Emanuel Urquhart & Sullivan LLP)
• Counsel for Respondent: Samuel Sherratt Wordsworth QC (instructed counsel, Essex Court Chambers, London)
• Practice Areas: International Arbitration; Setting aside of arbitral awards; Investor-State Dispute Settlement (ISDS); Jurisdiction Ratione Personae; Jurisdiction Ratione Materiae

Summary

The decision in Swissbourgh Diamond Mines (Pty) Limited & 8 Ors v Kingdom of Lesotho [2018] SGCA 81 represents a landmark clarification by the Singapore Court of Appeal regarding the jurisdictional boundaries of investor-State arbitration and the supervisory role of the seat's courts. The dispute originated from the alleged wrongful interference by the Kingdom of Lesotho with various mining leases held by the Appellants, and the subsequent "shuttering" of the Southern African Development Community (SADC) Tribunal. The Appellants sought to hold the Kingdom liable not merely for the underlying expropriation of mining rights, but for the Kingdom's role in dismantling the regional judicial forum where those claims were being adjudicated, thereby allegedly denying the investors an effective remedy.

An ad hoc tribunal constituted under the auspices of the Permanent Court of Arbitration (PCA) and seated in Singapore had initially rendered a partial final award in favour of the Appellants. The Tribunal found that it had jurisdiction and that the Kingdom had breached its obligations under the SADC Investment Protocol by failing to provide an alternative forum for the Appellants' claims following the suspension of the SADC Tribunal. However, the High Court of Singapore, in [2017] SGHC 195, set aside the award in its entirety, finding that the Tribunal lacked jurisdiction because the Appellants did not qualify as "investors" with a protected "investment" under the relevant treaty framework.

On appeal, the Court of Appeal was tasked with determining whether the Tribunal's jurisdiction could be sustained under Article 28 of Annex 1 to the SADC Protocol on Finance and Investment (the "Investment Protocol"). The Court's analysis delved deeply into the definition of an "investment" and the necessity of a "territorial nexus" between the alleged investment and the host State. The Court ultimately held that the "SADC Claim"—the right to have the expropriation dispute heard by the SADC Tribunal—did not constitute an "investment" within the meaning of the Investment Protocol because it lacked the requisite territorial connection to Lesotho. Furthermore, the Court found that the dispute did not concern an "obligation" owed by the Kingdom in relation to an admitted investment.

This judgment is of profound significance for practitioners as it underscores the rigor with which Singapore courts will scrutinize jurisdictional findings in treaty-based arbitrations. It clarifies that the "characterization" of a dispute by an investor cannot circumvent the fundamental requirement that an investment must be located within the host State's territory to attract treaty protection. The dismissal of the appeal reinforces Singapore's position as a jurisdiction that maintains a strict, rule-of-law-based approach to the limits of arbitral competence, even in the complex arena of international investment law.

Timeline of Events

1. 12 November 1986: The initial legal framework for the mining interests begins to take shape with early corporate and regulatory movements in Lesotho.
2. 15 December 1989: Swissbourgh Diamond Mines (Pty) Limited is incorporated in Lesotho, marking the start of the formal investment structure.
3. 10 January 1990: The Tributees (the 5th to 9th Appellants) enter into licensing agreements with Swissbourgh to exercise mining rights under the mining leases.
4. 18 July 1991: The Kingdom of Lesotho issues various mining leases to Swissbourgh, covering regions including Matsoku, Motete, Orange, Patiseng/Khubelu, and Rampai.
5. 17 August 1992: The Treaty of the Southern African Development Community ("SADC Treaty") is signed, establishing the regional cooperation framework.
6. 17 December 1992: The Kingdom of Lesotho purportedly cancels the mining leases, triggering the "Expropriation Dispute."
7. 1 January 1994: The SADC Treaty enters into force, providing the overarching legal structure for regional dispute resolution.
8. 27 September 1994: Rights relating to claims against the Kingdom are assigned to the Burmilla Trust.
9. 7 August 2000: The Protocol on the Tribunal and the Rules of Procedure thereof ("Tribunal Protocol") is signed, establishing the SADC Tribunal.
10. 18 August 2006: The SADC Protocol on Finance and Investment ("Investment Protocol") is signed, including Annex 1 which contains the arbitration clause (Article 28).
11. 16 April 2010: The Investment Protocol enters into force.
12. 18 May 2010: The SADC Tribunal is effectively suspended ("shuttered") by the SADC Summit, preventing it from hearing new or pending cases.
13. 20 June 2012: The Appellants commence the PCA arbitration against the Kingdom of Lesotho, seated in Singapore.
14. 18 April 2016: The PCA Tribunal issues its Partial Final Award on Jurisdiction and Merits, finding in favour of the Appellants.
15. 13 May 2016: The Kingdom of Lesotho files Originating Summons No 492 of 2016 in the Singapore High Court to set aside the Award.
16. 14 August 2017: The High Court issues its judgment in [2017] SGHC 195, setting aside the Award.
17. 17, 21 May 2018: The Court of Appeal hears the appeal against the High Court's decision.
18. 27 November 2018: The Court of Appeal delivers its judgment, dismissing the appeal.

What Were the Facts of This Case?

The dispute involved a complex web of corporate entities and mining interests centered in the Kingdom of Lesotho. The first appellant, Swissbourgh Diamond Mines (Pty) Limited ("Swissbourgh"), was a company incorporated in Lesotho. The second appellant, Mr. Josias Van Zyl, a South African national, held a 5% shareholding in Swissbourgh. The remaining 95% was initially held by the Josias Van Zyl Family Trust (the third appellant), but later, 90% was transferred to the Burmilla Trust (the fourth appellant), leaving the Family Trust with 5%. The fifth to ninth appellants, known as the "Tributees" (Matsoku, Motete, Orange, Patiseng, and Rampai Diamonds), were also Lesotho-incorporated companies that held sub-leases or "tribute" agreements to mine diamonds in specific regions of Lesotho.

Between 1991 and 1992, Swissbourgh was granted several mining leases by the Kingdom of Lesotho. However, shortly thereafter, the Kingdom moved to cancel these leases. This led to protracted litigation in the Lesotho courts and eventually to the "Expropriation Dispute." The Appellants alleged that the cancellation was wrongful and constituted an unlawful expropriation of their investments. By 1994, the Appellants had assigned their rights to these claims to the Burmilla Trust. The core of the legal grievance was that the Kingdom had interfered with the Appellants' ability to exploit the diamond resources they had been promised under the leases.

The regional context is critical. Lesotho is a member of the Southern African Development Community (SADC). Under the SADC Treaty and the subsequent Tribunal Protocol (2000), a SADC Tribunal was established to adjudicate disputes between member states and, in certain circumstances, between individuals and states. The Appellants brought their expropriation claims before the SADC Tribunal (the "SADC Claim"). However, in 2010, following a series of controversial rulings against another member state (Zimbabwe), the SADC Summit—comprising the heads of state of the member nations, including Lesotho—suspended the SADC Tribunal. This suspension, and the subsequent failure to reconstitute the Tribunal or provide an alternative forum for pending claims, became known as the "Shuttering Dispute."

The Appellants argued that the "shuttering" of the Tribunal was a breach of the Kingdom's obligations under the SADC Investment Protocol, which had entered into force in 2010. Specifically, they pointed to Article 28 of Annex 1 of the Investment Protocol, which allows for the arbitration of "investment disputes." The Appellants contended that their "investment" was not just the mining leases themselves, but also the "SADC Claim"—the bundle of legal rights and the legitimate expectation to have their expropriation grievance heard by the SADC Tribunal. They argued that by participating in the decision to shutter the Tribunal without providing a replacement, Lesotho had breached its treaty obligations toward their investment.

In the PCA arbitration that followed, the Tribunal accepted this characterization. It found that while it lacked jurisdiction over the original "Expropriation Dispute" (because the expropriation occurred before the Investment Protocol existed), it did have jurisdiction over the "Shuttering Dispute." The Tribunal concluded that the SADC Claim was a protected investment and that Lesotho had breached the Protocol. It ordered the parties to constitute a new tribunal to hear the SADC Claim. The Kingdom challenged this in the Singapore High Court, arguing that the PCA Tribunal had fundamentally exceeded its jurisdiction because there was no "investment" within the meaning of the treaty that could anchor the claim.

What Were the Key Legal Issues?

The primary legal issue before the Court of Appeal was whether the Singapore courts had the jurisdiction to set aside the PCA Award under Article 34(2)(a)(iii) or Article 34(2)(a)(i) of the UNCITRAL Model Law on International Commercial Arbitration (the "Model Law"), as adopted by the International Arbitration Act. This required a de novo review of the Tribunal's jurisdictional findings. The Court had to determine whether the "Shuttering Dispute" fell within the scope of the arbitration agreement contained in Article 28 of Annex 1 to the Investment Protocol.

To resolve this, the Court addressed several sub-issues that are central to international investment law:

• The Definition of "Investment": Did the "SADC Claim" (the right to have the expropriation dispute heard by the SADC Tribunal) constitute an "investment" under Article 1(2) of Annex 1 of the Investment Protocol? This involved interpreting whether a legal claim or a "bundle of rights" could be severed from the underlying asset (the mining leases) and treated as a standalone investment.
• The Territorial Nexus Requirement: Even if the SADC Claim was an "investment," was it an investment "in the territory" of Lesotho? The Court had to analyze whether a claim against a state, to be heard by a regional tribunal, possessed the necessary physical or legal connection to the host State's territory to satisfy the jurisdictional requirements of the treaty.
• The Scope of the Arbitration Clause: Did the dispute concern an "obligation" of the host State "in relation to an admitted investment"? The Court examined whether the Kingdom's actions in the SADC Summit (a regional political body) could be characterized as a breach of an obligation specifically owed to the Appellants' investment under the Protocol.
• Jurisdiction Ratione Personae: Did the Appellants qualify as "investors" under the Protocol? This involved assessing whether the domestic nature of some of the corporate entities (being Lesotho-incorporated) excluded them from the protections intended for foreign investors under the regional treaty.

These issues required the Court to apply principles of treaty interpretation as set out in the Vienna Convention on the Law of Treaties (VCLT), focusing on the "ordinary meaning" of the terms in their "context" and in light of the treaty's "object and purpose."

How Did the Court Analyse the Issues?

The Court of Appeal's analysis began with the standard of review. Citing [2018] SGCA 64 and Sanum Investments Ltd v Government of the Lao People’s Democratic Republic [2016] 5 SLR 536, the Court reaffirmed that when a court is asked to set aside an award on jurisdictional grounds, it conducts a de novo review. The Court is not bound by the Tribunal's own assessment of its jurisdiction but must independently determine whether the jurisdictional prerequisites have been met. This is particularly critical in investor-State disputes where the "arbitration agreement" is often a standing offer by the State in a treaty, which the investor accepts by commencing arbitration.

The Court then turned to the interpretation of Article 28 of Annex 1 of the Investment Protocol. Article 28(1) provides for the settlement of "disputes between an investor and a State Party concerning an obligation of the latter in relation to an admitted investment." The Court identified three cumulative requirements for jurisdiction: (a) there must be a "dispute"; (b) the dispute must concern an "obligation" of the State "in relation to an admitted investment"; and (c) the dispute must be between an "investor" and a "State Party."

The "Investment" and "Territorial Nexus" Hurdles

The most significant part of the Court's reasoning focused on the definition of "investment" in Article 1(2) of Annex 1. The Appellants argued that the "SADC Claim" was an "investment" because Article 1(2) included "claims to money or to any performance under contract having a financial value." The Court, however, emphasized that any such claim must still satisfy the "territorial nexus" requirement inherent in the phrase "invested... by investors of one State Party in the territory of another State Party."

The Court held that for an asset to be an "investment" in a host State, it must be "in the territory" of that State. The Court rejected the Appellants' attempt to characterize the SADC Claim as a standalone investment that existed in Lesotho. The Court reasoned that the SADC Claim was a right to have a dispute heard by an international tribunal (the SADC Tribunal) which was not a part of the Lesotho legal system. At [197], the Court noted:

"The SADC Claim was a right to have the Expropriation Dispute adjudicated by the SADC Tribunal... It was a right that was to be exercised on the international plane... it cannot be said to have been 'in the territory' of the Kingdom."

The Court distinguished between the underlying mining leases (which were clearly in Lesotho) and the SADC Claim. Since the PCA Tribunal had already found it lacked jurisdiction over the mining leases (the "Expropriation Dispute") because they were not "admitted investments" under the Protocol (having been cancelled before the Protocol existed), the Appellants could not use the SADC Claim as a "backdoor" to establish jurisdiction. The SADC Claim lacked the necessary "territorial nexus" to Lesotho to qualify as a protected investment under the Protocol.

The "Obligation" Hurdle

The Court also analyzed whether the dispute concerned an "obligation" of the Kingdom in relation to an admitted investment. The Appellants pointed to Article 27 of the Protocol, which requires State Parties to ensure that "investors have the right of access to the courts... for the redress of their grievances." The Court held that this obligation only applies to "investments" that meet the treaty's definition. Because the SADC Claim was not a valid "investment" (due to the lack of territorial nexus) and the mining leases were not "admitted investments" (due to the timing of the Protocol), there was no "obligation" that could be breached in relation to them.

Furthermore, the Court addressed the "Shuttering Dispute" itself. It found that the Kingdom's actions in the SADC Summit were acts of a sovereign state on the international plane. The Court was skeptical that such high-level political actions could be characterized as breaches of specific investment obligations under Annex 1, especially when the Appellants' underlying mining rights had already been extinguished years prior to the Protocol's entry into force. The Court noted that the "Shuttering Dispute" was essentially a complaint about the loss of a forum, which is a procedural grievance, rather than a dispute concerning a substantive investment obligation.

Jurisdiction Ratione Personae

Finally, the Court touched upon the status of the Appellants as "investors." The High Court had found that Swissbourgh and the Tributees were "domestic investors" because they were incorporated in Lesotho, and thus were excluded from the Protocol's protection. The Court of Appeal did not find it necessary to rule definitively on this point given its findings on the territorial nexus and the definition of investment, but it noted that the Protocol's purpose was to protect cross-border investments. The Court's analysis throughout reflected a commitment to the principle that investment treaties are not intended to provide a universal remedy for all grievances against a State, but are limited by the specific jurisdictional boundaries agreed upon by the contracting States.

What Was the Outcome?

The Court of Appeal dismissed the appeal in its entirety and upheld the High Court's decision to set aside the PCA Award. The Court concluded that the PCA Tribunal lacked jurisdiction ratione materiae because the subject matter of the dispute—the "Shuttering Dispute" related to the "SADC Claim"—did not involve a protected "investment" within the territory of the Kingdom of Lesotho as required by the SADC Investment Protocol.

The operative conclusion of the Court was stated at paragraph [59] of the judgment:

"In the result, we find that there are no relevant disputes that concern any obligation that was owed by the Kingdom in relation to an admitted investment. In the circumstances, the Tribunal did not have jurisdiction to hear the dispute that was referred to it by the Appellants. In the result, we dismiss the appeal."

The Court's order had the effect of nullifying the PCA Tribunal's findings on liability and its direction for the parties to constitute a new tribunal. By setting aside the award under Article 34(2)(a)(iii) of the Model Law, the Court effectively ended the Appellants' attempt to seek redress through the PCA arbitration mechanism for the shuttering of the SADC Tribunal.

Regarding costs, the Court followed the standard principle that costs follow the event. At paragraph [225], the Court ruled:

"For these reasons, we dismiss the appeal with costs."

The costs were ordered to be taxed if not agreed between the parties. The dismissal of the appeal was a total victory for the Kingdom of Lesotho, confirming that the sovereign's participation in regional political decisions (like the suspension of the SADC Tribunal) did not, in this instance, create a jurisdictional basis for private investor claims under the Investment Protocol, particularly where the underlying assets lacked a current territorial nexus or were not "admitted" under the treaty's temporal and substantive requirements.

Why Does This Case Matter?

The Swissbourgh decision is a seminal authority in Singapore's jurisprudence on international investment arbitration. It matters for several reasons that resonate across both the domestic legal landscape and the international arbitration community. First, it clarifies the "territorial nexus" requirement. The Court of Appeal's insistence that an investment must be physically or legally situated "in the territory" of the host State to qualify for treaty protection provides a necessary check against overly broad interpretations of "investment" that include intangible legal claims with no local footprint. This prevents investors from "internationalizing" domestic or regional procedural rights to gain access to ISDS forums where the underlying substantive investment has no standing.

Second, the case reinforces the de novo standard of review for jurisdictional challenges. By meticulously re-examining the Tribunal's interpretation of the SADC Protocol, the Court of Appeal signaled that Singapore courts will not defer to arbitral tribunals on the fundamental question of whether the parties actually consented to arbitrate. This is vital for the legitimacy of Singapore as a seat for investor-State disputes; it assures States that their sovereign immunity is only waived within the precise limits of the treaties they have signed, and it assures investors that the rules of the game will be applied with judicial rigor.

Third, the judgment provides a masterclass in treaty interpretation using the VCLT. The Court's analysis of the "ordinary meaning" of "investment" and "admitted investment" in the context of the SADC regional framework demonstrates how Singapore judges approach complex international instruments. The Court's refusal to allow the "SADC Claim" to serve as a surrogate for the defunct mining leases shows a sophisticated understanding of the temporal limits of treaty protection (the non-retroactivity principle).

For the broader SADC region and other regional investment blocs, this case is a cautionary tale about the legal consequences of "shuttering" regional judicial organs. While the Court found no jurisdiction in this specific instance, the very fact that a PCA tribunal initially found liability suggests that the dismantling of regional courts can create significant legal exposure for member states. However, the Singapore Court of Appeal's decision restores a level of predictability by grounding jurisdictional requirements in the text of the treaty rather than in broad notions of "access to justice."

Finally, for practitioners in Singapore, the case highlights the importance of the International Arbitration Act and the Model Law as the primary tools for challenging awards. The successful use of Article 34(2)(a)(iii) to set aside a high-stakes investment award demonstrates the efficacy of Singapore's supervisory framework. It confirms that Singapore is not just "pro-arbitration" in a reflexive sense, but is "pro-rule-of-law," ensuring that arbitration remains within its intended jurisdictional tracks.

Practice Pointers

• Scrutinize the "Territorial Nexus": When advising investors on treaty claims involving intangible assets (like legal claims, patents, or financial instruments), practitioners must ensure there is a clear, demonstrable connection to the host State's territory. A claim to be heard by an international tribunal may not satisfy this requirement.
• Temporal Limits of Treaties: Always check the "entry into force" date of the investment treaty against the date of the alleged breach. The Swissbourgh case shows that attempts to re-characterize a pre-treaty dispute (the expropriation) as a post-treaty dispute (the shuttering of a forum) face a very high jurisdictional bar.
• "Admitted Investment" Clauses: Pay close attention to whether the treaty requires an investment to be "admitted" or "registered" under local law. If the underlying investment (e.g., a lease) was cancelled before the treaty came into effect, it may not qualify as an "admitted investment" for the purpose of anchoring subsequent claims.
• Standard of Review: In Singapore, jurisdictional challenges are de novo. Practitioners should prepare their arguments for the High Court and Court of Appeal with the same level of evidentiary and legal detail as they would for the original tribunal, as the court will not defer to the tribunal's jurisdictional findings.
• Fork-in-the-Road Provisions: Be wary of Article 28-style clauses that may require an investor to choose between local courts and international arbitration. While not the primary ground for dismissal here, the interaction between different dispute resolution forums (SADC Tribunal vs. PCA) was a central theme.
• Characterization of the Dispute: While an investor has the right to frame their claim, the court will look at the "substance" of the dispute. If the claim is essentially an attempt to litigate a time-barred or jurisdictionally-barred expropriation through the lens of a "denial of justice," the court may reject it as a matter of jurisdiction.

Subsequent Treatment

The Swissbourgh decision has been recognized as a definitive statement on the territorial nexus requirement in Singapore-seated investment arbitrations. It is frequently cited in subsequent setting-aside applications where the definition of "investment" is at issue. The case reinforces the principles established in Sanum Investments and has been used to distinguish between substantive investment disputes and procedural grievances. Its rigorous application of the VCLT principles has set a high standard for treaty interpretation in the Singapore courts, ensuring that the "ordinary meaning" of treaty text remains the primary guide for jurisdictional analysis.

Legislation Referenced

• International Arbitration Act (Cap 143A, 2002 Rev Ed), s 3(1), s 10(3), s 24(b)
• UNCITRAL Model Law on International Commercial Arbitration, Art 34(2)(a)(i), Art 34(2)(a)(iii)
• Government Proceedings Act (Cap 121, 1985 Rev Ed), s 5, s 31(4)
• Rules of Court, O 20 r 5, O 20 r 7, O 57 r 13

Cases Cited

• Referred to: Kingdom of Lesotho v Swissbourgh Diamond Mines (Pty) Limited and others [2017] SGHC 195
• Referred to: Sunbreeze Group Investments Limited & 2 Ors v Ron Sim Chye Hock [2018] SGCA 64
• Referred to: Josias Van Zyl and others v Kingdom of Lesotho [2017] 4 SLR 849
• Referred to: Sanum Investments Ltd v Government of the Lao People’s Democratic Republic [2016] 5 SLR 536
• Referred to: CRW Joint Operation v PT Perusahaan Gas Negara (Persero) TBK [2011] 4 SLR 305
• Referred to: Aloe Vera of America, Inc v Asianic Food (S) Pte Ltd and another [2006] 3 SLR(R) 174
• Referred to: PT Astro Nusantara International v PT Ayunda Prima Mitra [2014] 1 SLR 372
• Referred to: Review Publishing Co Ltd and another v Lee Hsien Loong and another appeal [2010] 1 SLR 52
• Referred to: Czech Republic v European Media Ventures SA [2007] EWHC 2851 (Comm)

Source Documents

• Original Judgment PDF (156 pages / 46,821 words)
• eLitigation Case Summary