Chapter 8: Doctrine of Mistake Flashcards
What is the Doctrine of Mistake?
- If an operative mistake can be proven, the contract will be declared as Void ab initio (void)
- Contract will be non-existent as there was no consensus ad idem (meeting of minds)
What are the 2 types of mistake?
Bilateral mistake
Unilateral mistake
What is a bilateral mistake?
Where both parties are mistaken
- there are 2 types of bilateral mistake
What are the 2 types of bilateral mistake? Explain.
Cross purposes
- Both parties are mistaken. Mistaken on different points
Common mistake (mutal mistake)
- Both parties are mistaken. On the same point/issue
- 4 situations of mistake
What is a unilateral mistake?
Only one party is mistaken
What are the 6 factors for cross purposes
- Both parties are mistaken
- Mistaken on different points/issues
- Sufficiently fundamental
- Offer & acceptance do not correspond (no consensus ad idem)
- The mistake negates the consent to contract
- Objectively interpreted - not what the parties had intended
What are the 2 cases for cross purposes
Raffles v Wichelhaus (1864)
Scriven Brothers v Hindley (1913)
Raffles v Wichelhaus (1864)
cross purposes
Facts
- Wichelhaus wanted to buy cotton from Raffles from Bombay on a ship called ‘Peerless’
- Peerless arrived to Wichelhaus in December
- Wichelhaus expected another ship also called ‘the Peerless’ in October
- When the cotton arrived, Winchelhaus refused to pay for the bale
- Claimed that ‘the Peerless’ was supposed to deliver the cotton, but left Bombay 2 months earlier in October
- Raffles (claimant) sued for breach of contract
Held
- No contract
- Parties had missed each other on very material/fundamental terms
- No meeting of minds
- No contract actually came to agreement in the first place (thus void)
Takeaway
- Mutual misunderstandings are void/invalid contracts
Scriven Brothers v Hindley (1913)
Facts
- Scriven Bros (claimant) instructed auctioneer to sell large bales of tow and hemp on behalf of them
- Bales looked similar to samples that were on display for potential bidders
- Hindley (defendant), mistaken that they were bidding for 2 lots of hemp
- When D found out it was tow, he refused to pay
- D sued
Held
- No contract to begin with (void/invalid)
- They were agreeing/accepting something else all together (no meeting of minds)
What are the 4 factors for common mistake (mutual mistake)
- Both parties made mistake
- Both parties made the same mistake
- Must relate to something that both parties must necessarily have accepted in the minds as an essential element of the subject matter
- Both parties make the same mistake about a critical element of agreement (no consensus ad idem)
What are the 4 situations of common mistake (mutual mistake) under bilateral mistake?
- Res Extincta
- Res Sua
- Possibility of Performance
- Mistake as to Quality of SM
What is Res Extincta?
Parties mistake the existence of subject matter before the contract was made (non-existent)
Outcome
- There is an initial impossibility - impossible to have contract without the goods
- Contract will be void on grounds of mistake
What are the terms regarding mistake of existence before and after the contract was made?
Mistake of existence of SM before the contract was made
- Res Extincta
Just note - Mistake of existence after contract was made
- Frustration
What is a crucial point to what determines the liability of parties in Res Extincta?
2 scenarios
SO IMPORTANT
Liability depends on the construction of the contract
2 scenarios
- Seller guaranteed the goods existed (sale of existing goods) > thus risk is assumed
- Contract was for sale of goods if it exists > seller did not guarantee the existence of goods > SM is a chance/adventure
What are the 2 scenario for Res Extincta? What are the relevant cases and authorities (provisions) for each?
Where subject matter ceased to exist before contract was entered into
- Couturier v Hastie (1856) - buyer no guarantee
- Bute v Thompson - buyer guaranteed
- Section 6 of the Sale of Goods Act 1979
Where subject matter never existed at all and both parties were unaware
- McRae v CDC (1951)
Couturier v Hastie (1856)
Res Extincta - before contract was entered
Facts
- Parties contracted for sale of cargo for 1/100 quarters of Salonika Indian corn
- Were selling corn of fair average quality (per ‘Keizia page’)
- Both parties mistakenly assumed that the cargo of corn were transit from Salonica to UK
- Cargo was sold earlier in Tunis to prevent deterioration
Held
- Buyer was not liable (scenario 2 construction - he didn’t guarantee existence)
- Lord Cranworth stated: it depends on the construction of the contract. In this case it was on the sale of existing goods, rather than sale of goods . Thus, it was held void
Note - liability depends on construction of the contract
Bute v Thompson
Res Extincta - buyer guarantee
Facts
- Tenant of coal mine agreed to raise minimum quality of coal and pay a minimum rent in any event
- Turns out there wasn’t enough coal in the mine
- Party had appreciated the risk, as he guaranteed the SM
Held
- Held liable
Note - liability depends on construction of the contract
McRae v CDC (1951)
Res Extincta - SM never existed at all, both parties unaware
Facts
- D purported to sell the C the wreck of a tanker lying in Jourmand Reef
- D had guaranteed that the wreck contained oil
- Buyer (C) sent out expedition to salvage the tanker
- Turns out the tanker never existed at all
Held
- D was liable for breach of contract as he promised/guaranteed that the tanker existed
scenario 1 construction
What is Res Sua? What is the outcome of such mistake?
Mistake for ownership of the property
Outcome
- There is an initial impossibility as it can’t be performed from the very onset
What is the case for Res Sua
Cooper v Phibbs (1867)
Cooper v Phibbs (1867)
Res Sua
Facts
- A series of inheritance and settlements, the claimant did not know that he the rightful owner of the tenancy of the fishery
- C didn’t know and wanted to rent from D
Held
- HOL held contract should be set aside, as legally incapable of transferring title that already belongs to the party (Claimant)
What is Possibility of Performance?
Mistake that the performance was possible, but in fact is not
- 3 categories
What authority gives the 3 categories of Possibility of Performance? What are the respective cases for each?
Prof Treitel divides into 3 categories -
Physically impossible (impossible to produce the product)
- Sheik Brothers v Ocsner (1957)
Legally impossible
- Cooper v Phibbs (1867)
Commerical impossibility
- Griffith v Brymer (1903)
What is Mistake as to Quality of Subject Matter?
Subject matter in contract lacks some quality, which was believed to be so