PRINCIPLE STATEMENT

It is a well established principle that the object of courts is to decide the rights of the parties and not to punish them for mistakes which they make in the conduct of their case by deciding otherwise than in accordance with their rights; there is no kind of error or mistake which if not fraudulent or intended to overreach the court ought not be corrected, if it can be done without injustice to the other party; courts do not exist for the sake of discipline, but for the sake of deciding matters in controversy and such amendment is not a matter of favour but a matter of right to have it corrected, if it can be done without injustice.

RATIO DECIDENDI (SOURCE)

Per Onu, JSC, in Ehidimhen v. Musa & Anor (2000) NLC-791994(SC) at pp. 36–37; Paras. E–A (quoting Cropper v. Smith (1884) 26 Ch. D 700 at pages 710 and 711).
"I think it is a well established principle that the object of Courts is to decide the rights of the Parties and not to Punish them for mistakes which they make in the conduct of their case by deciding otherwise than in accordance with their rights... I know of no kind of error or mistake which if not fraudulent or intended to overreach the court ought not to correct, if it can be done WITHOUT injustice to the other party. Courts do not exist for the sake of discipline, but for the sake of deciding matters in controversy and I do not regard such amendment as a matter of favour or of.... It is as much a matter of right on his part to have it corrected, if it can be done without injustice, as anything else in the case is a matter of right."
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EXPLANATION / SCOPE

This articulates fundamental philosophy underlying amendment jurisdiction. Courts’ object: Decide parties’ rights according to actual merits—not punish procedural mistakes by deciding contrary to rights. Amendment principle: All errors/mistakes (except fraud or overreaching) should be correctable if possible without injustice to opponent. “Courts do not exist for sake of discipline” means: purpose isn’t punishing procedural errors, isn’t enforcing rules for their own sake, but is deciding substantive controversies justly. Amendment as right, not favour: Party has right to correct mistakes if: no fraud/overreaching, no injustice to opponent, and allows true rights determination. Not discretionary favour but entitlement when conditions met. This serves: substance over form, ensuring decisions reflect actual rights not procedural perfection, and preventing procedural mistakes from defeating substantive justice. Two exceptions: (1) Fraud/overreaching: Deliberate misconduct—shouldn’t be corrected, warrants refusal. (2) Injustice to opponent: Amendment would prejudice other party unfairly—protection against amendment abuse. “Without injustice” is key test: Can amendment be made without unfairly prejudicing opponent? If yes: should be granted. If no: may be refused. This liberal philosophy prevents: formalism defeating justice, procedural perfectionism over substantive rights, and punishing honest mistakes. Courts must: assess whether amendment serves justice, determine if opponent prejudiced, and allow amendments advancing substantive rights determination unless causing injustice. This foundational principle establishes amendment as facilitating justice, not as indulgence.

CASES APPLYING THIS PRINCIPLE