Doctrine of consistent conduct (estoppel)
Principle preventing contradiction of prior conduct when it has created a legitimate expectation in the other party. Expressed in the maxim venire contra factum proprium non valet. The Supreme Court requires three elements: relevant prior conduct, induced legitimate expectation and contradiction with subsequent conduct. Applies across civil, commercial, procedural and administrative law.
Other General terms
Extinction of a right or legal action due to the legally established time period expiring without exercise. In criminal law, it extinguishes criminal liability.
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