8.2 Defenses, Damages, and Vicarious Liability

Defenses to a Negligence Claim

Even when the four elements appear satisfied, a defendant can reduce or eliminate liability through recognized defenses. The exam expects you to distinguish the three negligence-allocation systems, because the rule a state uses directly changes how much an insurer pays.

• Contributory negligence (pure): If the plaintiff was negligent at all — even 1% — recovery is completely barred. Only a handful of jurisdictions still apply this harsh rule.
• Comparative negligence (pure): Damages are reduced by the plaintiff's percentage of fault. A plaintiff 90% at fault still recovers 10% of damages.
• Comparative negligence (modified): The plaintiff recovers only if their fault is below a threshold — commonly 50% or 51%. At or above the bar, recovery is barred.

Worked Example: Comparative Negligence Math

A jury awards $200,000 in damages and finds the plaintiff 30% at fault.

Now change the plaintiff's fault to 55%. Under pure comparative the plaintiff still recovers $200,000 x 0.45 = $90,000, but under a modified (50% bar) rule the plaintiff is over the threshold and recovers $0. This contrast is a favorite exam item.

How the Damage Categories Drive Coverage and Exclusions

Liability policies respond differently to each damage category, so classifying the award matters. Compensatory damages divide into special (economic: medical bills, lost wages, repair costs — objectively measurable) and general (non-economic: pain and suffering, disfigurement). Punitive damages punish egregious conduct and, in many states, are uninsurable as a matter of public policy so that wrongdoers cannot pass the punishment to an insurer.

A worked allocation: a jury awards $80,000 medical and wage loss (special), $40,000 pain and suffering (general), and $50,000 punitive. A standard liability policy pays the $120,000 compensatory portion but, where punitive damages are uninsurable, leaves the $50,000 punitive award to the defendant personally.

Other Defenses

• Assumption of risk: The plaintiff knowingly and voluntarily accepted a known danger (e.g., a spectator at a baseball game). This can bar recovery.
• Statute of limitations: A claim filed after the legal time limit is barred regardless of merit.
• Last clear chance: A doctrine that lets a contributorily-negligent plaintiff still recover if the defendant had the final opportunity to avoid the harm — softens pure contributory rules.
• Res ipsa loquitur ("the thing speaks for itself") is the opposite of a defense: it lets a plaintiff infer negligence when the harm would not normally occur without negligence and the instrumentality was in the defendant's exclusive control (e.g., a surgical sponge left inside a patient).

Categories of Damages

Damages are what liability insurance actually pays. Know the hierarchy:

• Compensatory damages restore the claimant and split into:
  • Special (economic) damages — measurable out-of-pocket losses: medical bills, lost wages, repair costs.
  • General (non-economic) damages — intangibles: pain and suffering, disfigurement, loss of consortium.
• Punitive (exemplary) damages punish egregious or malicious conduct and deter others. Many states prohibit insuring punitive damages as against public policy; the CGL pays "compensatory" damages and coverage for punitive awards varies by jurisdiction. Expect a question testing that punitive damages are frequently not insurable.

Vicarious Liability

Vicarious liability holds one party responsible for the torts of another because of their relationship, even though the responsible party did nothing wrong. The classic doctrine is respondeat superior ("let the master answer"): an employer is liable for the negligent acts of employees committed within the scope of employment.

Key relationships that create vicarious liability:

• Employer for employee (within scope of employment)
• Principal for agent acting within authority
• Parent for a child in certain statutory situations
• Vehicle owner for a permissive driver under some state owner-liability or family-purpose statutes

Vicarious liability explains why a CGL or business auto policy must define who is an insured so broadly — the named insured's exposure includes the acts of its workforce.

Independent Contractors and the Scope Limit

Vicarious liability under respondeat superior generally does not extend to independent contractors, because the hiring party does not control the manner of their work — a frequent distractor on the exam. Likewise, an employer is not vicariously liable for an employee's purely personal acts outside the scope of employment (the classic "frolic and detour").

How Defenses and Damages Reach the Insurer

Defenses matter to the insurer in two ways. First, the duty to defend under the CGL is broader than the duty to indemnify — the insurer must defend any suit seeking covered damages even if groundless, false, or fraudulent, paying defense costs in addition to the policy limits. Second, a successful negligence defense (comparative fault, assumption of risk, expired statute of limitations) directly reduces the indemnity the insurer pays.

A worked illustration: suppose covered damages are assessed at $250,000, the jurisdiction uses pure comparative negligence, and the plaintiff is found 20% at fault. The recoverable judgment is $250,000 x 0.80 = $200,000. If defense costs run $40,000, an occurrence CGL with a $500,000 Each Occurrence limit pays the full $200,000 indemnity and the $40,000 defense on top of the limit — the limit is not eroded by defense under a standard CGL. Contrast this with many professional liability forms where defense costs are inside (erode) the limit, a high-yield exam distinction.