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Published online by Cambridge University Press: 02 January 2018
Applying the Fairchild exception in Barker, Lord Hoffmann sought to justify apportionment of liability by reformulating the gist of the negligence action as the risk of mesothelioma rather than the mesothelioma itself. This paper examines the notion of risk to show that it cannot coherently be recognised as damage. By distinguishing risk from the related concept of probability, it is apparent that risk is a forward-looking concept that is incompatible with the role in which it is cast in the backward-looking causation inquiry when mesothelioma is an essential ingredient of liability. This paper goes on to consider whether ‘pure’ risk could form the gist of a negligence action and suggests that it lacks the moral significance to constitute damage. Furthermore, the damage requirement would be subsumed into the breach inquiry, effectively being lost as a distinct element of the negligence inquiry. This is incompatible with the traditional loss-based model of negligence.
I am indebted to Claire McIvor, Donal Nolan, Jose Miola and the anonymous reviewers for their comments on this paper. An earlier version of this paper was presented at the Obligations VI Conference 2012 and I am grateful to participants for their feedback. I am also grateful to the University of Leicester for allowing me a period of study leave during which I carried out the research for this paper.
1. Fairchild v Glenhaven Funeral Services (t/a GH Dovener & Son) [2002] UKHL 22, [2003] 1 AC 32.
2. Barker v Corus (UK) plc [2006] UKHL 20; [2006] 2 AC 572 (HL).
3. Compensation Act 2006, s 3.
4. Barker, above 3, at [43] (Lord Hoffmann). Note, however, that in his dissent Lord Rodger stated that ‘the desirability of the courts, rather than Parliament, throwing this lifeline to wrongdoers and their insurers at the expense of claimants is not obvious to me’ [90].
5. Ibid, at [40]–[42] (Lord Hoffman), [109] (Lord Walker), [127] (Baroness Hale).
6. Ibid, at [35].
7. Durham v BAI (Employers' Liability Insurance ‘Trigger’ Litigation) [2012] UKSC 14, [2012] 1 WLR 867.
8. Rothwell v Chemical and Insulating Co Ltd and another [2007] UKHL 39, [2007] 3 WLR 876.
9. A distinction is drawn between damage that is said to be ‘divisible’ or ‘indivisible’. If the harm is divisible, then this means that it is dose-related, so each exposure to the relevant harmful agent increases the severity of the harm. This means that each exposure causes a portion of the total harm. See eg Holtby v Brigham & Cowan (Hull) Ltd [2000] 3 All ER 421 (CA). In contrast, indivisible harm is ‘all-or-nothing’; the severity of the disease is unaffected by the dose of the harmful agent. This means that each causal factor is a cause of the whole loss (although, as between defendants in an action for contribution, we may then divide up responsibility based on blameworthiness, but vis-à-vis the victim each defendant is a cause of the whole of his indivisible disease).
10. The single rogue fibre theory has been largely discredited (see Amaca Pty Ltd v Booth [2011] HCA 53 [19]), but significant scientific uncertainty remains. For a more recent account of the understanding of mesothelioma, see Lord Phillips' speech in Sienkiewicz v Greif (UK) Ltd [2011] UKSC 10; [2011] 2 WLR 523 at [19] and annex (providing detailed information obtained from the judgment of Rix LJ in Durham v BAI (Employers' Liability Insurance ‘Trigger’ Litigation) [2010] EWCA Civ 1096, [2011] 1 All ER 605).
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15. Lords Scott and Walker concurred with his decision and the reasons for it, and provided their own reasons in addition.
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42. (4.39/24) × 100 = 18.29.
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82. Ibid, at [40].
83. Lord Hoffmann, above 17, p 68.