In the court of chancery ( equity) a man shall not be prejudiced by his mispleading, or defect of form, but according to the truth of the matter; for the decision should be made according to conscience and not according to the rigor of law.

Explanation

(English-origin maxim.) Equity looks to substance, not form — a party's right to be heard on the merits cannot be defeated by a technical pleading defect, because the court of conscience is bound to reach the truth of the matter rather than punish imperfect procedure.

Where this applies

• A pro se litigant's complaint is dismissed because she wrote 'trespass' instead of 'negligence,' but the equity court reverses, holding that substance matters more than labels.
• A defendant's answer contains a technical formatting error, but the chancellor refuses to strike it because equity looks to the truth of the matter rather than rigid procedural form.
• A small business owner files a counterclaim using the wrong caption, but the court of equity considers the merits anyway because a party should not be prejudiced by a mere defect of form.