Negligence: Causation + Remoteness Flashcards
What is Factual Causation?
Was Ds negligence the factual cause of Cs loss?
If this isn’t established, then claim fails
What is Remoteness (Legal Causation)?
Does anything break the chain of causation or is the type of harm too remote?
There must be a causal link between Ds actions and Cs harm.
If harm is too remote, D will not be held liable
How do we establish Factual Causation?
The But For Test
What is the But For Test?
Used to establish Factual Causation
But for D’s breach, would C have suffered the harm?-
So it’s basically asking If it wasn’t because of D would C have suffered?
If Yes, then factual causation not established
If No, then factual causation established
What is a key case for the But For Test?
Barnett v Kensington- Dr sent C home without treating her.
C would have died anyway, treated or not.
factual causation not established- no liability
what do we use after the But For Test?
All of nothing approach
this is used to make sure if D is the real cause.
this test sees the situation on a balance of probabilities- it has to be more than 50% that it was Ds fault
Wisher v Essex 1988
What is a key case for the All or Nothing approach?
Wilsher v Essex 1988
Facts: premature baby had underdeveloped lungs which meant doctors have to give oxygen. Too much was given, baby became partially blind
In this case it was established that there are 5 potential causes of harm
Only one of them was the doctor’s negligence
So there was a 20% chance that it was the doctors fault
So there was no factual causation here
What are some attempts to relax the But For test?
- Material contribution to harm cases
- Material contribution to risk of harm/Fairchild exception cases
- Informed consent cases
- Loss of chance cases
REMEMBER: These are only used when the But For Test fails!
Material Contribution to harm
This is used when the but for test fails.
So this is only relevant where there are multiple potential causes of the harm- eg if there’s a cumulative condition
Key Case:
Bennington v Wardlaw 1956- C developed Lund disease from breathing silica dust in work place. there was both guilt and innocent dust so not sure which caused the disease. However this disease occurred due to gradual exposure. Court said since it caused the harm, this was sufficient for causation
Material Contribution to THE RISK OF harm
This is used when But For Test fails. It extends but for test
This is used for multiple causes again- But its NOT for cumulative conditions
Key case:
McGhee v National Coal Board [1972]- C got dermatitis (non cumulative condition) from brick dust at work. There was innocent and guilty dust- D cant prove which one caused it (but for test fails). Couldn’t prove that it materially contributed to the harm as it was non cumulative. But they could say that Ds negligence had materially contributed TO THE RISK of harm rather than direct harm- this was sufficient
Within material contribution to the risk of harm, what is the Fairchild exception?
This is where the may be a number of potential employers who contributed to the harm- if you can’t pin point one then you can sue them all
Key case:
Fairchild v Glenhaven [2002]- 3 Cs developed mesothelioma (fatal lung disease). They were negligently exposed to asbestos over numerous jobs. This wasn’t cumulative and could have developed even after single exposure. Wasn’t possible to pinpoint which employer caused the disease. But For test therefore failed but HOL saw this as unjust outcome and applies McGhee- Material increase to risk approach- disregarding Wilsher. Ds became liable
Fairchild exception is rarely used: Zurich Insurance PLC [2015] – said it can be applicable to any disease that has the unusual features of mesothelioma
How are damages awarded with Fairchild Exception?
The defendants can be jointly and severally liable.
Instead of each D paying full compensation, it could be split proportionately across defendants according to how negligent they were.
so if one is more negligent than the other, they pay more.
Key Case: Barker v Corus 2006- split damages proportionately according to negligence
S3 Compensation Act 2006- enacted to allow C to get full compensation.
It can only be used for mesothelioma cases.
Another way to extend the but for test is informed consent cases
this can only be used where consent is at issue.
Key case:
Chester v Afshar [2004]- C had back surgery and got spinal condition. Doctor not negligent but didn’t inform C of the risk. If she knew shhe would have gone somewhere else. But still would have got condition. So, But for test failed but It was an unjust outcome so court said the injury was within the scope of duty to warn of material risk so enough to establish causation
Another way to extend But For test is Loss of Chance
This is where the claimant may want to recover in negligence for loss of chance in relation to their health. This isn’t very successful.
Key case:
Hotson v East Berkshire AHA [1987]- Negligent treatment of hip injury after boy falls out of tree- later becomes paralysed. Court held that causation couldn’t be established because there was a more than 70% chance of paralysis happening anyway
What test do we use for remoteness (legal causation?
The Wagon Mound Test