Investment Dispute and International Arbitration

Introduction

Foreign direct investment (FDI) is indispensable to economic development. It brings capital, technology, employment, and access to international markets. But investment — particularly in developing economies — carries risk. Political instability, regulatory changes, expropriation, and contract breach by state entities can all expose foreign investors to significant losses.

To attract investment, states must offer investors credible assurances that their investments will be protected and that, should disputes arise, they will be resolved fairly. International arbitration has evolved as the primary mechanism for delivering those assurances. It offers neutrality, expertise, enforceability, and confidentiality — qualities that neither domestic courts nor diplomatic channels can reliably provide.

What Is Investment Arbitration?

Investment arbitration is a procedure to resolve disputes between foreign investors and the states that host their investments. It is distinct from commercial arbitration (which resolves disputes between private parties) in that one party is always a sovereign state.

Investors' right to arbitrate against host states typically arises from:

• Bilateral Investment Treaties (BITs): Agreements between two states that set out the protections each grants to investors from the other, typically including a right to arbitrate disputes.
• Multilateral investment agreements: Including the Energy Charter Treaty (ECT) and investment chapters of regional trade agreements.
• Investment contracts: Where the state or a state entity has contractually agreed to arbitrate.
• National investment laws: Some states' domestic legislation provides for arbitration of investment disputes.

Nigeria has entered into a number of BITs with both developed and developing countries. These treaties typically protect investors against expropriation without compensation, guarantee fair and equitable treatment, and provide for free transfer of funds. Violation of these protections triggers the investor's right to arbitrate.

Principal Arbitral Institutions and Rules

Investment arbitrations are conducted under various institutional rules:

ICSID (International Centre for Settlement of Investment Disputes). Established by the World Bank Convention in 1965, ICSID is the most prominent institution for investment arbitration. Its awards are directly enforceable in the domestic courts of the 157 member states without the need for recognition proceedings.

UNCITRAL Rules. The United Nations Commission on International Trade Law has developed widely used arbitral rules for ad hoc proceedings — arbitrations conducted without a permanent administering institution. UNCITRAL arbitrations are common where one party (often a state) prefers not to submit to institutional administration.

ICC (International Chamber of Commerce). Primarily a commercial arbitration institution, the ICC also administers investment arbitrations and is known for rigorous case management.

PCA (Permanent Court of Arbitration). The PCA administers a significant number of investment treaty arbitrations, including under UNCITRAL rules.

Key Investor Protections in BITs

Fair and Equitable Treatment (FET). The FET standard is one of the most frequently invoked protections in investment arbitration. It requires host states to treat investors in a manner that does not frustrate their legitimate expectations, is not arbitrary, and is consistent with due process. What constitutes FET has been extensively debated in arbitral jurisprudence.

Expropriation and Nationalisation. States retain the sovereign right to expropriate private property for public purposes, but BITs require that expropriation be carried out lawfully, without discrimination, and with prompt, adequate, and effective compensation at fair market value. Regulatory measures that indirectly deprive investors of the value of their investment ("indirect expropriation") are also subject to treaty disciplines.

Most Favoured Nation (MFN) Treatment. Investors from treaty partners are entitled to treatment no less favourable than that accorded to investors from any third state. This clause allows investors to "import" more favourable protections from other BITs the host state has concluded.

National Treatment. Investors from treaty partners are entitled to treatment no less favourable than that accorded to the host state's own nationals in like circumstances.

Free Transfer of Funds. BITs typically guarantee investors the right to freely transfer capital, profits, and other returns out of the host country.

The Arbitral Process

An investment arbitration typically proceeds through the following stages:

1. Notice of Dispute and Cooling-Off Period. Most BITs require the investor to first notify the state of the dispute and attempt negotiation for a defined period (commonly three to six months) before commencing arbitration.

2. Constitution of the Tribunal. A tribunal of one or three arbitrators is constituted. Each party typically appoints one arbitrator; the presiding arbitrator is appointed by agreement or by the administering institution.

3. Jurisdictional Phase. If the state contests the tribunal's jurisdiction, the tribunal may hear and decide preliminary objections before addressing the merits.

4. Merits and Quantum. The parties exchange written submissions and evidence. An oral hearing is typically held. The tribunal deliberates and issues its award, addressing both liability and the quantum of damages.

5. Enforcement. The winning party seeks enforcement of the award in the courts of the losing state or in third-country courts where the losing state has assets.

Enforcement Challenges

An arbitral award is only as valuable as its enforceability. This has proven a significant practical challenge in investment arbitration, particularly against states that refuse to comply voluntarily.

ICSID awards are enforceable directly in the courts of all member states, bypassing the New York Convention recognition process. Non-ICSID awards are subject to the New York Convention (to which Nigeria is a party), which requires national courts to recognise and enforce foreign arbitral awards unless limited grounds of refusal apply.

However, states may resist enforcement by asserting sovereign immunity over their assets abroad. Investors have found enforcement most successful in jurisdictions with attachment-friendly courts and where the state has commercial assets unprotected by immunity.

Nigeria became a party to the New York Convention in 1970 and has enacted the Arbitration and Conciliation Act (ACA), which gives effect to the Convention domestically. The recent Arbitration and Mediation Act 2023 modernises Nigeria's arbitration framework significantly.

Nigeria and Investment Arbitration

Nigeria has faced a number of investment treaty claims, several of which have resulted in significant awards against it. High-profile cases — including those arising from the telecommunications and petroleum sectors — have drawn attention to the need for Nigeria to review its BIT network, ensure policy coherence, and train government officials in investment treaty obligations.

The Nigerian Investment Promotion Commission (NIPC) continues to negotiate BITs as part of the government's investment promotion strategy. The tension between the state's regulatory prerogatives and its treaty obligations — particularly in the petroleum sector, where the government's role is pervasive — will continue to generate disputes.

Conclusion

International investment arbitration is a sophisticated, expensive, but often effective mechanism for resolving disputes between foreign investors and host states. For Nigerian businesses investing abroad, and for foreign investors in Nigeria, understanding the treaty framework — the protections available, the institutions, and the enforcement landscape — is essential legal literacy.

As Nigeria's economy continues to attract FDI across sectors from agriculture to technology, the relevance of investment arbitration to Nigerian legal practice will only grow.

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Isaac D. Folorunso is the Principal Partner of Isaac Dennis Folorunso & Co. The firm's ADR practice includes arbitration advisory and representation in domestic and cross-border disputes.