Art. 1641
The seller warrants hidden defects making the fonds unfit for its intended use - or diminishing it enough that the buyer would not have bought, or not at that price
2 years
The action must be brought within two years of the discovery of the defect (C. civ. Art. 1648) - a deadline interruptions can restart
Buyer's choice
Return the fonds for the price (rédhibitoire) or keep it and reduce the price (estimatoire) - the choice is the buyer's, not the court's (C. civ. Art. 1644)

Hidden defects when buying a business in France: the warranty behind the deed

Some problems in a purchased business only show themselves once you run it: the heating that never met safety norms, the terrace the town was already disputing, the clientele that was never the size the seller described. French law answers with the warranty against hidden defects: the seller warrants the buyer against concealed defects of the thing sold that make it unfit for its intended use, or diminish that use so much that the buyer would not have bought, or would have paid less, had it known (C. civ. Art. 1641). The seller owes it even in good faith, ignorance of the defect does not remove the warranty, only limits the damages, and the buyer's weapons are strong: return the business for the price, or keep it and claw part of the price back, within two years of discovering the defect.

This guide covers the warranty as it applies to the fonds de commerce: what makes a defect "hidden", the unfitness requirement and its case law, who can sue whom across successive sales, how the defect action interacts with the delivery and fraud actions, the choice between rescission and price reduction, the two-year deadline and its interruptions, the damages - and the exclusion clauses that only sometimes work.

What counts as a hidden defect in a business

Hidden, not apparent. The seller warrants only concealed defects: apparent defects the buyer could see for itself are outside the warranty (C. civ. Art. 1642). A defect detectable only after prolonged use is not apparent - even to a professional buyer. The burden is the buyer's: it must prove the defect and every condition of the warranty, by any means, the trial courts assessing the facts sovereignly.

Whose knowledge matters. The seller's knowledge of the defect is irrelevant to whether the warranty applies - it changes only the damages. The buyer's knowledge is decisive the other way: a buyer who knew the defect's extent and consequences has no warranty claim. Between those poles, the courts calibrate "hidden" to the buyer's profile: a non-professional buyer keeps the warranty if it could legitimately ignore the defect, having examined the thing as a normally careful person would; a professional buyer is presumed to know the defect - above all when it shares the seller's speciality. For fonds de commerce sales the distinction bends in the buyer's favour, few people selling businesses as a profession.

Held hidden. The case law's positives: an alignment easement and an urban-renewal project predating the sale and concealed from the buyer; a hotel's heating system whose non-conformity to safety norms the buyer could not know at the purchase; the seller of a two-star hotel-restaurant personally warned by the administration of the works needed to avoid downgrading, who told the buyer nothing - the buyer's professionalism and legal adviser were no answer to the seller's bad faith; a bar-restaurant's terrace on the public domain already in dispute with the town, which even a professional buyer could not be expected to suspect; and a nail salon's non-conforming extraction system plus an employee's unfitness, both known to the seller.

Held not hidden. The negatives run on the buyer's own means of knowing: the professional beautician who bought a perfumery could see the stock was two-year-old, unsellable product; the buyer who should have arranged the renewal of distribution and leasing contracts that were, by their own terms, non-assignable and lapsing on the sale; the buying company whose partner was a professional chef and should have seen the old hotel-restaurant needed modernising to meet current norms.

Prior to the sale. The defect grounds the warranty only if it existed before the sale - or was in germ at that date. Across successive sales, a sub-buyer suing the original seller must show the defect already existed at the initial sale.

The defect must make the business unfit for its use

Two alternative tests. The warranty runs only if the defect makes the fonds unfit for its intended use, or diminishes that use so much that the buyer would not have bought or would have paid less (C. civ. Art. 1641). The conditions are alternative: where the defect makes the fonds unfit, there is no need to show it determined the buyer's consent - that decisive character matters only where the defect merely reduces the use.

Which use. Fitness is measured against the normal use of the thing. A buyer who destined the fonds to a particular use can invoke a defect against that use only by proving it told the seller of the intended use. And the case law does not confine the warranty to defects striking the fonds as a whole - defects touching an element of the fonds have carried claims.

Unfitness found. Concealment of the operating building's non-conformity to safety rules, where it stopped the buyer operating (concealments of that kind can also be attacked as fraud); concealment, by the seller of an insurance brokerage, of information on the real size of the clientele sold; and the garage sold as a Renault-approved agent whose buyer could never obtain that status - seller and drafter having omitted that the brand's approval had to be applied for, when the approved-agent contract was essential to the purchase.

Unfitness rejected. An inaccurate turnover figure in the deed is not a hidden defect - it does not affect the use of the fonds; and the buyer of a bar-tabac who could not prove the electrical failures made the fonds unfit for its use lost on this ground - the same facts that succeeded, in this series' guide to the duty to deliver, as a delivery breach. That pairing is the practical lesson of the whole section: the same problem often has two legal names, and which one fits decides the case.

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Who can sue over the defect - and on which legal basis

The claimants. The warranty is usually invoked by the immediate buyer against its own seller. But it travels with the fonds: a sub-buyer holds a direct, contractual action against the original seller, enjoying all the rights and actions attached to the thing - even where the sub-buyer knew of the defects when it bought. The original seller, in turn, can raise against the sub-buyer every defence it holds against its own contracting party. And the intermediate buyer keeps its own action against the original seller after reselling, provided it retains an interest - as where the defect forced it to resell cheaper.

Defect or delivery - plead both, win on one. The interplay with the delivery action follows a strict logic. A buyer has every interest in suing on both grounds at once, because a judge who rejects the hidden-defect claim need not examine whether the facts support a delivery breach. But once the hidden defect is established, the warranty becomes the only available basis: a defect that is at once a hidden defect and a delivery failure must be pursued as a hidden defect, and the same exclusivity bars the annulment-for-mistake route where the defect doubles as an error on substantial qualities.

The fraud exception. One door stays open whatever the overlap: where the seller concealed the defect from the buyer, the buyer may seek annulment of the sale for fraud (dol) - with the different remedies and the different clock that route carries.

Rescission or price reduction: the choice the defect gives you

The option. The buyer chooses between returning the fonds for restitution of the price (the rédhibitoire action - in substance, rescission of the sale) and keeping the fonds while claiming a price reduction (the estimatoire action) (C. civ. Art. 1644). The choice is discretionary, no justification owed, and it belongs to the buyer alone: a court asked for rescission cannot award a mere price reduction instead. The buyer can even switch actions, including on appeal, until a final decision or the seller's acquiescence - provided it has not renounced one of them.

What repair does to the option. The buyer who fixed the defect itself can still demand rescission - the defect's disappearance through the buyer's own works changes nothing, and so does the seller's offer to do modest works. But where the seller has repaired and the fonds now fits its use, rescission is closed; damages remain.

Where only reduction remains. The buyer loses the rescission arm where the defect is not grave enough; where the fonds can no longer be returned to the seller - unless the seller's own fault made restitution impossible; or where the thing perished by the buyer's fault or by chance.

The reduction's measure. The estimatoire buyer recovers part of the price, never all of it, and the reduction presupposes a loss of the fonds' value at the moment of the sale.

Rescission's mechanics. Rescission exchanges the fonds back against the price, plus the costs of the sale and, as the case may be, damages. Successive sales add two rules: the original seller sued by a sub-buyer restitutes no more than it received - a sub-buyer who paid the intermediate seller more cannot claim the difference from the original seller, save damages; and where the sub-buyer returned the fonds to the intermediate seller, only that intermediate seller, the party the fonds was returned to, owes the price back: the original seller cannot be condemned in solidum for it.

Two years to act on the defect - and how the clock stops

The rule. The action must be brought within two years of the discovery of the defect (C. civ. Art. 1648, al. 1).

Interruptions. The period is interrupted by bringing the warranty action - even before an incompetent court, even where the originating act is annulled for a procedural defect (C. civ. Art. 2241); by an interim application for expert determination, a fresh two-year period running from the order appointing the expert - or from the filing of the expert's report, if the buyer argues it before the trial court; by an interim summons to make a pending expertise binding on the seller; and by a writ founded on defects of consent, the annulment action sharing the same goal of undoing the sale. Interruption erases the time already run and starts a fresh period of the same length (C. civ. Art. 2231). The limits: no interruption for the buyer who merely took part voluntarily in the seller's own expertise, nor for one the interim judge put out of the case.

Expiry - a defence, not an automatism. After two years the action is inadmissible - but the bar is not public order: the judge cannot raise it of its own motion; the seller must invoke it and prove the period ran, and cannot do so for the first time before the Cour de cassation.

The outer wall. The two-year window sits inside the ordinary prescription: the action can be time-barred even with the two years from discovery unexpired - a sub-buyer's action against the original seller brought more than five years after the original sale was held inadmissible.

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Damages, loss of the business, and clauses excluding the defect warranty

The damages scale. Beyond restitution, the seller's bill depends on what it knew. The seller who was ignorant of the defect refunds only the costs the sale occasioned the buyer (C. civ. Art. 1646) - not consequential losses, not upkeep and conservation spending. The seller who knew the defect owes all damages on top of the price (C. civ. Art. 1645) - and a seller who by its profession could not ignore the defect is treated as one who knew. The damages action is autonomous: it can be brought without any rédhibitoire or estimatoire claim, and the seller's cure of the defect does not defeat it.

Loss of the fonds. Where the hidden defect caused the loss of the business, the loss is for the seller: price back, plus the damages owed on the scale above (C. civ. Art. 1647, al. 1), displacing the ordinary rule that risks pass to the buyer with ownership. Even where the loss came by chance, in principle the buyer's loss (C. civ. Art. 1647, al. 2) - the buyer keeps the estimatoire route for the reduction the defect's gravity justifies.

Exclusion clauses. A deed clause limiting or wiping the defect warranty is effective only under conditions: it serves a good-faith seller alone - one ignorant of the defects. A professional seller, presumed to know them, cannot invoke the clause, unless the buyer is a professional of the same speciality who could detect the defect at the sale; the courts assess that shared speciality sovereignly and restrictively. For a fonds sale the practical reading is buyer-friendly: sellers who ran the business they sold will rarely persuade a court they could not know its defects.

Frequently Asked Questions

What must I prove to invoke the hidden-defect warranty?

That a defect exists, that it was hidden from you at the sale, that it predated the sale (or was in germ), and that it makes the fonds unfit for its use, or curtails the use enough that you would not have bought, or not at that price (C. civ. Art. 1641). Proof is free, any means - and the trial courts weigh it sovereignly. The seller's good faith is irrelevant to the warranty itself.

How long do I have to sue?

Two years from discovering the defect (C. civ. Art. 1648) - restartable by suing (even before the wrong court), by an interim expertise application (fresh period from the appointment order or the report), or by an annulment writ for defects of consent. The window sits inside the ordinary prescription, so very late claims can be barred anyway. Expiry is a defence the seller must raise - the judge cannot apply it alone.

Can I choose between undoing the sale and paying less?

Yes - freely, with no justification, and the court cannot substitute its own choice; you can even switch until a final decision. Rescission drops out where the defect is not grave enough, the fonds cannot be returned (unless by the seller's fault), the thing perished by your fault or chance, or the seller has repaired and the fonds now fits its use - damages then remain.

The seller says it never knew about the defect - does that save it?

Not from the warranty - only from the full damages. An ignorant seller refunds the price and the sale's costs (C. civ. Art. 1646); a knowing seller, or one whose profession made ignorance impossible, owes all damages (C. civ. Art. 1645). Concealment also opens the annulment-for-fraud route.

I bought the business from someone who had bought it with the defect - who do I sue?

Either: your own seller, or the original seller by the direct contractual action that travels with the fonds - even if you knew of the defect when buying. Limits apply upstream: the original seller restitutes no more than it received, can raise its own defences, and only the party you returned the fonds to owes you the price back. The defect must have existed at the sale you attack.

Is a wrong turnover figure a hidden defect?

No - it does not affect the use of the fonds. But it is not the end of the road: misstated figures feed the delivery-breach and fraud analyses, and concealed information on the real size of the clientele has itself qualified as a hidden defect. The right label is case strategy.

The deed contains a no-warranty clause - am I stuck?

Only a good-faith seller can rely on it. A professional seller is presumed to know the defects and loses the clause's benefit - unless you are a professional of the same speciality who could have detected the defect, which the courts read narrowly. A seller who ran the business it sold you will struggle to plead ignorance.

Key takeaways on hidden defects in a French business purchase
Four conditions, buyer's proof: hidden at the sale, prior to it, and making the fonds unfit for its use or seriously curtailing it (C. civ. Art. 1641) - the seller's ignorance never removes the warranty, and prolonged-use defects stay hidden even for professionals.
Your own diligence is the boundary: what a careful buyer, or a professional of the trade, could have seen is not hidden: old stock, ageing premises, contracts lapsing by their own terms.
Plead defect and delivery together: the judge who rejects the defect need not examine delivery - but a proven defect makes the warranty the only basis, and closes the mistake route; concealment alone opens fraud.
The option is yours alone: rescission or reduction, switchable until final judgment - the court cannot pick for you; repair by you preserves rescission, repair by the seller closes it (damages survive).
Two years from discovery, inside the ordinary prescription: interim expertise restarts the clock (C. civ. Art. 1648, 2241); expiry is the seller's defence to raise, never the judge's.
Damages follow knowledge; clauses follow good faith: knowing (or professional) sellers owe full damages (C. civ. Art. 1645) and lose their exclusion clauses - the loss of the fonds itself falls on the seller (C. civ. Art. 1647).
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This article is for general information only and states French law as published in the sources available at the date shown above. It does not constitute legal advice. Whether a defect qualifies and which remedy fits depend on your facts and your deed. Always seek qualified legal advice before acting.