Basil Odilim
A foundational principle of international law is that sovereign states deal with one another as sovereign equals. In the exercise of governmental authority—whether through diplomacy, national defense, legislation, taxation, monetary policy, or the administration of justice—a state enjoys privileges and immunities designed to preserve its independence and protect the performance of its public functions. These protections exist because a sovereign is expected to govern, not to compete in the marketplace.
That legal relationship changes, however, when a sovereign voluntarily enters the world of commerce. The moment a government, central bank, ministry, or state-owned enterprise begins offering commercial goods or services, licensing intellectual property, marketing products, entering commercial contracts, or competing with private businesses, it assumes a different legal character. It is no longer acting exclusively as a sovereign exercising public authority; it is participating in the marketplace as a commercial actor.
The marketplace recognizes competitors, not sovereigns. It cannot function fairly if one participant enjoys privileges unavailable to every other participant. Commercial law therefore rejects the notion that a government may invoke sovereign status as both a sword and a shield—using the law aggressively to secure commercial advantages while simultaneously claiming immunity from the legal obligations imposed upon everyone else.
This distinction is firmly embedded in international jurisprudence through the doctrine of restrictive sovereign immunity. Under that doctrine, immunity ordinarily protects acts performed in the exercise of sovereign authority (jure imperii), but not acts undertaken in a commercial or private capacity (jure gestionis). By choosing to participate in commerce, a state accepts the legal consequences that accompany commercial activity.
That principle reflects more than procedural doctrine; it embodies the rule of law itself. Commerce depends upon predictability, equality, and reciprocal accountability. Contracts must be enforceable. Intellectual property must be respected. Competition must remain fair. Consumers must be protected. Those principles lose their meaning if governments are permitted to compete under rules different from those imposed upon private enterprises.
A sovereign therefore cannot claim the protections of trademark law while denying that same body of law applies to its own commercial conduct. It cannot invoke sovereign immunity to avoid accountability for actions that would expose any private competitor to legal liability. Nor may it rely upon diplomatic status to distort commercial competition or secure advantages unavailable to ordinary market participants.
The law recognizes the difference between governing and trading because the two functions serve different purposes. Government exists to exercise public authority. Commerce exists to facilitate voluntary economic exchange. The moment a sovereign chooses to cross that boundary, it does not surrender its sovereignty; it simply cannot wield sovereignty as an exemption from the rules governing the commercial arena it has voluntarily entered.
Accordingly, sovereignty is not a commercial license, nor is it a legal refuge from market accountability. It protects the exercise of governmental power, not commercial competition. When a sovereign competes in the marketplace, it competes on equal legal footing with every other participant.
The principle is therefore both simple and profound: sovereigns deal with sovereigns under the law of nations, but sovereigns who enter commerce must answer to the law of the marketplace. Sovereignty commands respect in government; it commands no special privilege in commerce. Where commerce begins, legal equality—not sovereign status—becomes the governing rule.
