PRINCIPLE STATEMENT

Issues of jurisdiction must be addressed at the earliest opportunity, for any hearing proceeded upon without jurisdiction is a wasteful exercise.

RATIO DECIDENDI (SOURCE)

Per Belgore, JSC, in Obaba v. Military Governor of Kwara State (1994) NLC-1311990(SC) at pp. 8--9; Paras B--C.
"Issue of jurisdiction must be addressed at the earliest opportunity, for any hearing proceeded upon without jurisdiction is a wasteful exercise."
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EXPLANATION / SCOPE

Jurisdiction is a threshold issue determining whether the court can hear the case. It should be raised and determined first because: (1) proceedings without jurisdiction are nullities—all subsequent actions are void; (2) continuing without jurisdiction wastes resources (court time, parties’ expenses); (3) jurisdictional defects cannot be cured—no amount of procedural compliance confers absent jurisdiction. “Earliest opportunity” means: at or before the first hearing, through preliminary objections, or as soon as the defect becomes apparent. Parties aware of jurisdictional defects should raise them immediately, not after losing on merits. Courts should address jurisdictional challenges before proceeding to merits. This principle promotes: efficient resource use, early case termination when jurisdiction lacks, and prevents parties from gambling on favorable merits decisions before raising jurisdiction

CASES APPLYING THIS PRINCIPLE