The main types of torts are intentional torts, negligence, and strict liability, with nuisance occupying its own space between those categories. The category a claim falls into controls what the injured person has to prove, what defenses are available, and what kind of damages a court can award. A punch thrown in anger, a distracted driver running a red light, and a defective airbag all cause injury, but the law treats each one through a different framework.
Intentional Torts
An intentional tort happens when someone acts with the purpose of causing harm or knows with near certainty their actions will cause it. Intent here is narrower than everyday use of the word in one way and broader in another. The person doesn’t have to intend the exact harm that resulted. Swing at one person, hit a bystander, and the intent still carries. But the person does have to intend the act itself.
Several specific claims come up again and again under this heading.
Assault and battery are close cousins. Assault doesn’t require any touching at all. It occurs when someone intentionally makes you reasonably fear that harmful or offensive contact is about to happen.1Legal Information Institute. Assault Battery is the contact itself, carried out without consent, and the contact can be indirect — through a thrown object, for example, or through something closely connected to the person.2Legal Information Institute. Battery
False imprisonment is the intentional confinement of someone within a bounded area without consent or legal authority. The restraint can come from a locked door, physical force, or a credible threat.3Legal Information Institute. False Imprisonment The confinement has to be complete; a blocked hallway with a known alternate exit usually isn’t enough.
Defamation covers false statements that injure reputation. Libel is written or published, slander is spoken. The claimant generally has to show a false statement of fact communicated to a third party, made with at least some degree of fault, that caused harm.4Legal Information Institute. Defamation Public figures face a higher fault standard: proof that the speaker knew the statement was false or recklessly disregarded whether it was true.
Trespass to land protects the right to exclusive possession of property. Someone commits it by entering your land without permission or refusing to leave after being told. You don’t have to prove any actual damage.5Legal Information Institute. Trespass Trespass to personal property (sometimes called trespass to chattels) and conversion both involve interfering with someone else’s belongings; the difference is severity. Borrowing a bike without permission and returning it scratched is trespass to chattels. Selling the bike and keeping the money is conversion.
Intentional infliction of emotional distress targets conduct so extreme and outrageous that it causes severe emotional harm. Ordinary rudeness and insults fall well short. The behavior has to go beyond all bounds of what a civilized society tolerates, the actor must have acted purposefully or recklessly, and the resulting distress must be severe.6Legal Information Institute. Intentional Infliction of Emotional Distress
Fraud involves a knowingly false statement, made with intent that someone rely on it, and reliance by that person to their detriment. The reliance has to be reasonable, so warning signs the claimant ignored can weaken the case.7Legal Information Institute. Fraud
Negligence
Negligence is the workhorse of tort law and the category most personal injury cases fall into. Nobody has to have meant to cause harm. The question is whether someone failed to act with reasonable care and that failure caused injury.
The Four Elements
Every negligence claim requires four things. First, the defendant owed a duty of care. Drivers owe care to other motorists, businesses to customers, doctors to patients.8Legal Information Institute. Negligence Second, the defendant breached that duty by falling below the standard a reasonable person would have met. Third, the breach actually caused the injury. That means both factual causation (the injury wouldn’t have happened “but for” the breach) and proximate cause, which asks whether the harm was a foreseeable consequence of what the defendant did.9Legal Information Institute. Proximate Cause Fourth, actual damages. A near miss that leaves you shaken but uninjured generally doesn’t support a claim no matter how reckless the other driver was.
Negligence Per Se
When someone causes harm by violating a statute, courts may treat the violation itself as proof of breach. This shortcut is called negligence per se.10Legal Information Institute. Per Se A driver who hits you while speeding doesn’t force you to argue separately that speeding was unreasonable. The law set the limit, and breaking it satisfies the breach element. Causation and damages still have to be proven.
Professional Malpractice
When professionals like doctors, lawyers, or accountants commit negligence, the claim is typically called malpractice. The elements are the same, but the standard of care is higher and more specific. Rather than what a reasonable person would have done, the court asks what a reasonably competent professional in the same field would have done under similar circumstances. Proving that almost always requires expert testimony.
Strict Liability
Strict liability is the exception to the general rule that tort liability requires either intent or carelessness. In certain situations, a defendant can be held responsible for harm even if they did everything right. The law imposes this standard when an activity or product is so inherently risky that the person benefiting from it should bear the cost when something goes wrong.11Legal Information Institute. Strict Liability
Three settings come up most often. Product liability is probably the best-known. If a defective product injures you, the manufacturer or seller can be held liable regardless of care, and the defect can be in manufacturing, design, or warnings.12Legal Information Institute. Products Liability Abnormally dangerous activities — blasting with explosives, storing toxic chemicals, transporting hazardous materials — carry strict liability because no amount of care can eliminate the danger.13Legal Information Institute. Abnormally Dangerous Activity Animals also fit. Owners of wild animals are generally strictly liable for any harm the animal causes. Rules for domestic animals vary: many states impose strict liability for dog bites by statute, while others follow a “one-bite rule” where the owner must have known or had reason to know the animal had dangerous tendencies.11Legal Information Institute. Strict Liability
Nuisance
Nuisance doesn’t fit neatly into the other three categories. It covers unreasonable interference with the use or enjoyment of property or with a right shared by the public.
A private nuisance is a substantial and unreasonable interference with someone’s use and enjoyment of their own land. A 24-hour machine shop next to a bedroom wall could qualify. Courts weigh factors including whether the claimant owned the property before the nuisance began, the severity of the harm against the usefulness of the defendant’s activity, and whether the interference would bother an average person.14Legal Information Institute. Nuisance
A public nuisance involves interference with a right the general public shares, like obstructing a public road or contaminating a public water supply. Most public nuisance claims are brought by government officials. A private individual can sue over a public nuisance only if they suffered harm different from or greater than what everyone else experienced.14Legal Information Institute. Nuisance
How the Categories Differ in Practice
Sorting a situation into the right category changes what the claimant has to prove. In an intentional tort case, the focus is on the defendant’s state of mind and the specific wrongful act. In a negligence case, the focus shifts to the standard of care and whether the defendant fell below it. In a strict liability case, the defendant’s conduct and state of mind largely drop out; what matters is that the activity or product falls into a category the law treats as strict, and that it caused the harm.
The categories also differ in what the claimant can recover. Intentional and reckless conduct opens the door to punitive damages, which ordinary negligence usually does not. Some intentional torts, like trespass to land, support a claim even without proof of actual damage. Negligence does not. And the available defenses shift with the category: consent and self-defense answer most intentional tort claims, while comparative fault rules reshape negligence recovery.
When Both Sides Share Fault
In many negligence cases, both sides share some blame. How courts handle that shared fault varies dramatically.
A small number of jurisdictions still follow contributory negligence, under which any fault on the claimant’s part completely bars recovery. One percent at fault, no recovery.15Legal Information Institute. Contributory Negligence Most states have moved to comparative negligence, which reduces recovery by the claimant’s percentage of fault instead of eliminating it. Pure comparative negligence lets you recover even if you were 99% at fault; you just get 1% of your damages. Modified comparative negligence only allows recovery if your fault stays below a threshold, typically 50% or 51%. Cross the line and you get nothing.16Legal Information Institute. Comparative Negligence
Damages
Damages fall into three broad types. Compensatory damages are meant to put the claimant back in the position they would have been in if the tort had never happened. Economic damages cover measurable losses — medical bills, lost wages, reduced earning capacity, property repair — proven with documentation.17Legal Information Institute. Compensatory Damages Non-economic damages cover pain and suffering, emotional distress, loss of enjoyment of life, and loss of companionship. Some states cap non-economic damages in certain cases, particularly medical malpractice, where caps commonly range from $250,000 to $750,000.
Punitive damages go beyond compensation. They exist to punish egregious conduct and deter similar behavior, and courts typically reserve them for intentional wrongdoing or reckless disregard for others’ safety.18Legal Information Institute. Punitive Damages Ordinary negligence almost never triggers them.
Nominal damages are a small, symbolic amount awarded when a legal right was violated but no real harm resulted.19Legal Information Institute. Nominal Damages Trespass to land is the classic example.
Filing Deadlines
Every tort claim has a statute of limitations, and the deadline varies by jurisdiction and by the type of tort. Personal injury claims typically carry filing windows of two to three years, with shorter and longer periods in some places. The clock usually starts on the date of the injury, but under the discovery rule it may begin when the claimant discovered the injury (or reasonably should have).20Legal Information Institute. Statute of Limitations That rule matters most where harm takes time to show — toxic exposure, a surgical error found only during a later procedure. Missing the deadline is one of the fastest ways to lose a valid claim.
Common Defenses
Even when all the elements of a tort appear met, defendants have ways to reduce or eliminate liability.
Consent is a complete defense to most intentional torts. Voluntary agreement to the contact or risk generally forecloses a later suit over it.21Legal Information Institute. Consent Consent obtained through deception or coercion doesn’t count.
Self-defense protects someone who uses reasonable, proportional force to respond to an imminent threat.2Legal Information Institute. Battery A disproportionate response loses the protection.
Assumption of risk applies when the claimant voluntarily encountered a known danger. The defendant must show the claimant actually understood the specific risk and chose to face it anyway.22Legal Information Institute. Standards of Tort Liability
Shopkeeper’s privilege is a narrow defense to false imprisonment allowing a merchant who reasonably believes a customer is shoplifting to briefly detain the person for investigation. The detention must be reasonable in length and manner.3Legal Information Institute. False Imprisonment