Q.M steals a bicycle belonging to N and sells it to O, an innocent buyer who pays the full price in good faith, without any knowledge of the theft. Does O acquire a valid title to the bicycle? Discuss with reference to the rule 'nemo dat quod non habet' and its exceptions.

A thief has absolutely no title of his own to pass on, and none of the Act's recognised exceptions to nemo dat quod non habet cover a sale by a thief.

Section 27 provides that a buyer from a non-owner acquires no better title than the seller had — and a thief has NO title whatsoever, so a buyer from a thief, however innocent, gets nothing. None of the Act's recognised exceptions (mercantile agent, joint owner, voidable-contract seller, seller/buyer remaining in possession) apply to theft, since a thief never comes i …

Step 1 — apply the general rule (Section 27): where goods are sold by a person who is not the owner and does not sell under the authority or with the consent of the true owner, the buyer acquires no better title than the seller had. This is the maxim nemo dat quod non habet — no one can give what he does not have.

Step 2 — what title did M (the seller) actually have? M is a THIEF — he has NO title to the bicycle whatsoever, lawful or otherwise. Applying Section 27's rule literally, O (the buyer) can therefore acquire, at most, exactly what M had to give — which is nothing.

Step 3 — check whether any recognised exception applies: none of the Act's exceptions rescue O here: M is not a mercantile agent in possession with N's consent (Section 27 proviso); M is not a joint owner in possession with a co-owner's permission (Section 28); M did not obtain the bicycle under a voidable contract with N (Section 29) — he obtained it by theft, which is not even a contract at all; and M is not a seller who once validly sold the goods and remains in possession (Section 30(1)), nor a buyer who obtained possession by agreement with N (Section 30(2)). Every one of the Act's exceptions presumes the non-owner came into possession with SOME degree of the true owner's consent or authority — theft, by definition, has none. …

A common mistake is assuming that GOOD FAITH alone is enough to protect any innocent buyer under the Act's exceptions. Good faith is a NECESSARY condition for every exception, but it is never SUFFICIENT by itself — the seller must also fall into one of the Act's specifically recognised categories (mercantile agent, joint owner, etc.), each of which requ …