PRINCIPLE STATEMENT

The concept of abuse of judicial process is imprecise. It involves circumstances and situations of infinite variety and conditions. Its one common feature is the improper use of the judicial process by a party in litigation to interfere with the due administration of justice. It is recognised that the abuse of the process may lie in both a proper or improper use of the judicial process in litigation. But the employment of judicial process is only regarded generally as an abuse when a party improperly uses the issue of the judicial process to the irritation and annoyance of his opponent, and the efficient and effective administration of justice. This will arise in instituting a multiplicity of actions on the same subject matter against the same opponent on the same issues... Thus the multiplicity of actions on the same matter between the same parties even where there exists a right to bring the action is regarded as an abuse. The abuse lies in the multiplicity and manner of the exercise of the right, rather than the exercise of the right, per se. The abuse consists in the intention, purpose, and aim of the person exercising the right to harass, irritate and annoy the adversary, and interfere with the administration of justice... Hence as I have observed, it is not the exercise of the right per se, but its improper and irregular exercise which constitutes an abuse. Essentially, it is the inconvenience, inequities involved in the aims and purposes of the application which constitute the abuse. Otherwise, where there is a right to bring an action the state of mind of the person exercising the right cannot affect the validity or propriety of its exercise.

RATIO DECIDENDI (SOURCE)

Per Karibi-Whyte, JSC, in Saraki v. Kotoye (1992) 9 NWLR (Pt.264) 156 at pp. 188–189; cited with approval in Central Bank of Nigeria v. Ahmed & Ors (2001) NLC-92001(SC) at pp. 47–48; Paras A–C.
"The concept of abuse of judicial process is imprecise. It involves circumstances and situations of infinite variety and conditions. Its one common feature is the improper use of the judicial process by a party in litigation to interfere with the due administration of justice. It is recognised that the abuse of the process may lie in both a proper or improper use of the judicial process in litigation. But the employment of judicial process is only regarded generally as an abuse when a party improperly uses the issue of the judicial process to the irritation and annoyance of his opponent, and the efficient and effective administration of justice. This will arise in instituting a multiplicity of actions on the same subject matter against the same opponent on the same issues... Thus the multiplicity of actions on the same matter between the same parties even where there exists a right to bring the action is regarded as an abuse. The abuse lies in the multiplicity and manner of the exercise of the right, rather than the exercise of the right, per se. The abuse consists in the intention, purpose, and aim of the person exercising the right to harass, irritate and annoy the adversary, and interfere with the administration of justice... Hence as I have observed, it is not the exercise of the right per se, but its improper and irregular exercise which constitutes an abuse. Essentially, it is the inconvenience, inequities involved in the aims and purposes of the application which constitute the abuse. Otherwise, where there is a right to bring an action the state of mind of the person exercising the right cannot affect the validity or propriety of its exercise."
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EXPLANATION / SCOPE

Abuse of process is improper use of judicial process to interfere with due administration of justice. The common feature is improper use, not the existence of a right. Even where a right exists, exercising it in a manner that harasses, irritates, or annoys the opponent constitutes abuse. Abuse lies in the multiplicity and manner of exercise, not the exercise per se. The intention, purpose, and aim matter—harassment or interference with justice is key. However, where there is a right to bring an action, the state of mind does not affect validity or propriety of exercise unless the exercise itself is improper. The concept is imprecise and fact-specific. Multiplicity of actions on same subject matter between same parties is prima facie abuse. The court examines purpose, not just existence of right.

CASES APPLYING THIS PRINCIPLE