| Groveholt Ltd v Hughes [2010] EWCA Civ 538 |
Test for permission to amend: amendment must have a real prospect of success (summary judgment test). |
Confirmed the applicable test for allowing amendments to pleadings. |
| Easyair Ltd v Opal Telecom Ltd [2009] EWHC 339 (Ch) |
Principles governing summary judgment applications and assessment of realistic prospects of success. |
Guided the court’s approach to evaluating the amendments’ prospects of success. |
| Swain v Hillman [2001] 2 All ER 91 |
Definition of "realistic" prospect of success as more than merely arguable. |
Used to clarify the threshold for allowing amendments. |
| ED & F Man Liquid Products v Patel [2003] EWCA Civ 472 |
Claims must carry some degree of conviction; court may scrutinize evidence but not conduct a mini-trial. |
Supported the court’s caution in assessing the strength of the defence without full trial evidence. |
| Royal Brompton Hospital NHS Trust v Hammond (No.5) [2001] EWCA Civ 550 |
Evidence at summary judgment includes evidence reasonably expected at trial. |
Informed the court’s approach to evidence evaluation at this stage. |
| Doncaster Pharmaceuticals Group Ltd v Bolton Pharmaceutical Co [2007] FSR 63 |
Court should hesitate to decide without a trial where fuller investigation might alter outcome. |
Supported refusal to exclude the amendments without trial. |
| Arcadia Group Brands Ltd v Visa Inc [2014] EWHC 3561 (Comm) |
Warning against deciding difficult legal questions on interlocutory applications where facts may affect legal issues. |
Reinforced the court’s caution in summary decisions on complex legal issues. |
| Sel-Imperial v British Standards Institution [2010] EWHC 854 (Ch) |
Court should be slow to grant summary judgment in developing areas of law. |
Applied to the evolving competition law context of the case. |
| Sharp & Others v Blank & Others [2015] EWHC 3219 (Ch) |
Summary judgment on knowledge allegations requires some material making case not fanciful or unrealistic. |
Guided the court’s approach to knowledge-related defences at summary stage. |
| Kuwait Airway Corpn v Iraqi Airways Co [2002] UKHL 19 |
Twofold inquiry for liability: causation and extent of loss for which defendant is liable. |
Provided the legal framework for assessing loss, causation, and scope of liability. |
| Banque Bruxelles Lambert SA v Eagle Star Insurance Co Ltd [1997] AC 191 |
Importance of identifying scope of defendant’s duty in liability assessment. |
Supported analysis of the ambit of the causes of action. |
| Reeves v Commissioner of Police of the Metropolis [2000] 1 AC 360 |
Intentional acts do not negate liability where duty is to guard against such acts. |
Addressed the relationship between intention and liability. |
| OBG Ltd v Allan [2007] UKHL 21 |
Definition and essential elements of economic tort of unlawful interference. |
Clarified the intentional nature of the tort relevant to the case. |
| British Westinghouse Electric Co Ltd v Underground Electric Railways Co of London Ltd [1912] AC 673 |
Doctrine of mitigation of loss: plaintiff must take reasonable steps to mitigate damages. |
Established foundational principle for mitigation defence applied here. |
| The Liverpool (No 2) [1963] P 64 |
Mitigation doctrine applies mutatis mutandis to tort claims. |
Supported application of mitigation principles beyond contract claims. |
| Berezovsky v Abramovich [2011] EWCA Civ 153 |
Distinction between new losses and new causes of action in tort claims. |
Used to reject claimants’ argument about fresh causes of action on each purchase. |
| Aldi Stores Ltd v Holmes Buildings Plc [2003] EWCA Civ 1882 |
Additional facts may be necessary to establish causation but do not create new causes of action. |
Supported analysis of causation and loss quantification. |
| Bernard Crehan v Courage Ltd [2001] ECR I-6300 |
Community law permits principle of mitigation of loss even in competition law context. |
Supported applicability of mitigation defence under EU law. |
| Youell v Bland Welch & Co Ltd [1990] 2 Lloyd's Rep 431 |
Failure to mitigate bars recovery where plaintiff acts unreasonably with knowledge. |
Used to support the relevance of claimant’s knowledge to mitigation defence. |
| Smith New Court Ltd v Scrimgeour Vickers [1997] AC 254 |
Duty to mitigate damages applies once plaintiff is aware of fraud. |
Reinforced knowledge requirement for mitigation to arise. |
| Payzu Ltd v Saunders [1919] 2 KB 581 |
Reasonableness of mitigation steps is a question of fact. |
Affirmed that knowledge and circumstances affect mitigation assessment. |
| Schering Agrochemicals Ltd v Resibel N.V. S.A. (1992) unreported |
Mitigation may apply even where plaintiff unaware of breach at time of omission. |
Illustrated fact-sensitive nature of mitigation and knowledge. |
| Jones v Livox Quarries Ltd [1952] 2 QB 608 |
Distinction between effective cause and mere occasion of loss in contributory negligence. |
Applied to assess causal role of claimants’ conduct in loss. |
| St George v Home Office [2008] EWCA Civ 1068 |
Contributory negligence must be sufficiently connected with defendant’s negligence to reduce damages. |
Considered in context of claimants’ conduct and causation. |
| Calvert v William Hill Credit Ltd [2008] EWCA Civ 1427 |
Contributory negligence may be excluded where claimant acted as defendant intended. |
Considered but distinguished on facts. |
| Reeves v Commissioner of Police of the Metropolis [2000] 1 AC 360 |
Contributory negligence defence unavailable in intentional torts. |
Applied to exclude contributory negligence defence to economic tort claim. |
| Arkin v Borchard Lines Ltd [2003] EWHC 687 (Comm) |
Contributory negligence not a defence to breaches of Articles 101 or 102 EC (obiter). |
Not relied upon by claimants; defence conceded available. |
| Doyle v Olby (Ironmongers) Ltd [1969] 2 QB 158 |
Doctrine of mitigation applies to damages for deceit, including intended damage. |
Rejected claimants’ argument that mitigation cannot apply to intended damage. |
| Courage v Crehan [2001] QB 507 |
Mitigation defence can be raised in competition law claims under Articles 101 and 102. |
Supported availability of mitigation defence in EU competition law context. |
| Standard Chartered Bank v Pakistan National Shipping Corp [2001] CLC 825 |
Causation and mitigation are closely related concepts limiting liability. |
Used to analyse interplay between causation and mitigation. |
| Galoo Ltd v Bright Grahame Murray [1994] 1 WLR 1360 |
Guidance on issues of causation and remoteness in tort claims. |
Supported that causation and remoteness issues are fact-sensitive and for trial. |