A person's body is the most basic of legal interests. The common-law action of trespass to the person — comprising the three intentional torts of battery, assault and false imprisonment — protects that interest by giving a remedy for any direct, intentional and unjustified interference with bodily integrity or personal liberty. Each of the three is actionable per se, without proof of special damage, because the wrong consists in the interference itself rather than in any consequential loss. Trespass to the person sits at the heart of the Law of Torts as the doctrinal core from which the wider law of personal injury — including the law of negligence — has grown.
The three torts share certain features. They are intentional rather than negligent. They are direct rather than consequential — the defendant must apply the force, threaten it, or impose the restraint, not set in motion a chain of events that ends in injury. They are actionable on proof of the interference, without the plaintiff needing to show damage. And they are governed, on the defence side, by a closed list of justifications — consent, self-defence, necessity, lawful arrest, parental or judicial authority — which together set the boundary between lawful and unlawful conduct. The leading authorities are old, and the language is older still, but the rules they lay down operate today in every police-station, hospital and shop floor.
Battery — the intentional application of force
Battery is the intentional application of force to another person without lawful justification. Two ingredients are required: the use of force, and the absence of justification. Trivial physical contact may satisfy the first ingredient. The classical statement is Holt C.J.'s in Cole v. Turner (1704): the least touching of another in anger is a battery; if two persons meet in a narrow passage and one, without violence or design of harm, gently touches the other, there is no battery; but if either uses force to push his way in a rude or inordinate manner, that is battery. The element that converts incidental contact into actionable wrong is hostility, or intent to apply force without consent.
Force may be applied through any medium. Throwing water on a person, spitting in his face, pulling his chair from beneath him, or directing heat, light, electricity or gas in a manner producing physical discomfort, all qualify. The use of a stick, a bullet or a missile is enough; bodily contact between aggressor and victim is not required. Mere passive obstruction, however, is not battery — in Innes v. Wylie a policeman who unlawfully prevented a person from entering a club was held not to have committed battery so long as he was "entirely passive like a door or a wall." The wrong demands an active application of force, not the placing of the body in the way.
The leading Indian application is Cherubin Gregory v. State of Bihar (1964), where the defendant fixed a naked live electric wire across the passage of his latrine to deter trespassers and an entrant was electrocuted. The Supreme Court held that the use of force was excessive and unjustified — a trespasser's death was a wholly disproportionate response to the inconvenience of trespass. In P. Kader v. K.A. Alagarswami the Madras High Court held that handcuffing an undertrial prisoner and then chaining him to a hospital window during medical treatment was unjustifiable use of force amounting to trespass to the person. In each case, the inquiry was the same: was force used, and was its use justified?
The intent requirement and accidental harm
Battery requires intentional application of force; harm caused by pure accident, without intention or negligence, is not actionable. The point was settled in Stanley v. Powell (1891), where a member of a shooting party fired at a pheasant and the pellet glanced off a tree and accidentally wounded another member of the party. The defendant was held not liable: the impact was neither intentional nor the result of any failure of care. Where the act, however, is intentional, the defendant is liable even though he did not foresee the precise injury — the egg-shell-skull rule applies.
Reasonable force may be used in the defence of person or property, in lawful arrest, or in the lawful eviction of a trespasser from premises. In Pratap Daji v. B.B. & C.I. Ry. the plaintiff travelled in a railway carriage without having purchased a ticket and refused to alight when asked at an intermediate station. The use of force to remove him was held justified — he was a trespasser. The corollary is that force exceeding what is reasonable destroys the privilege; the law's allowance for self-help in private defence is calibrated, not absolute.
Assault — the apprehension of an immediate battery
Assault is an act of the defendant which causes to the plaintiff reasonable apprehension of the immediate infliction of a battery. The wrong consists in the threat, not in any harm caused; assault is therefore actionable even where the threatened battery never materialises. Pointing a loaded pistol at another is assault. Pointing an unloaded pistol may also be assault, provided the plaintiff does not know it is unloaded and would reasonably apprehend a battery. If the plaintiff knows the weapon is harmless, there is no apprehension and therefore no assault.
Two further controls operate. There must be apparent ability to carry out the threat. A clenched fist shaken at a moving train from a platform, or at a person standing out of arm's reach, is not assault — the threat cannot be executed. And mere words, traditionally, are not assault unless accompanied by conduct creating apprehension of immediate violence. The classical illustration is Tuberville v. Savadge (1669), where the defendant put his hand on his sword and said: "If it were not assize-time, I would not take such language from you." The words negatived the threat: it was assize time, so no battery would in fact be attempted. There was no assault.
Where the defendant advances in a threatening manner, however, the wrong is constituted even if a third party intercepts him before he can strike. In Stephens v. Myers (1830), the defendant at a parish meeting was directed by majority vote to be expelled. He advanced on the chairman with a clenched fist saying he would rather pull the chairman from the chair than be turned out. The churchwarden seated next to the chairman intercepted him. The defendant was held liable for assault. R. v. St. George (1840) similarly held that pointing a pistol — loaded or unloaded — at such a distance that, if loaded, it might cause injury, is assault; the test is the apprehension created in the plaintiff's mind.
Conversely, in Bavisetti Venkata Surya Rao v. Nandipati Muthayya the village munsif arrived to recover Rs 11.60 in arrears of land revenue, and on the plaintiff pleading inability told him that, failing payment, his earrings would be distrained. A goldsmith was called. A bystander paid the amount, the munsif left, and the plaintiff sued for assault. The court held there was no assault — by the time the goldsmith arrived the threat of immediate force was too remote to constitute apprehension of immediate violence. The decision is a useful illustration of the immediacy requirement: a threat of force at some indefinite point in the future is not assault. The immediacy requirement aligns the doctrine with the wider principles of accident-based liability, where temporal proximity between act and harm is similarly decisive.
The relationship between assault and battery
Assault generally precedes battery — the raised fist and then the blow — but every battery does not include an assault. A blow from behind, without prior knowledge on the part of the victim, is battery without preceding assault: the victim has no time to apprehend the impact. The conversion of one to the other is sometimes a matter of split seconds. Throwing water at a person is assault while the water is in mid-air; battery the moment it strikes him. Pulling a chair from beneath a person about to sit is assault while he is falling; battery the moment he hits the floor. The classical authorities — building on the same logic that links the mental element to the actus reus in tort — Pursell v. Horn (1838) on the water example, Hopper v. Reeve (1817) on the chair example — illustrate the law's narrow but determined attention to physical detail.
Where commercial law gets technical.
Topic-tagged MCQs from previous-year papers and original mocks — calibrated to actual exam difficulty.
Take the commercial-law mock →False imprisonment — total restraint without justification
False imprisonment is the imposition of a total restraint, for any period, however short, on the personal liberty of another, without lawful justification. The wrong does not require imprisonment in the literal sense of confinement within walls. A plaintiff may be falsely imprisoned in his own house, on a public street, in a moving train or bus, or in any other place from which he is, for the time, prevented from departing. The two essentials are total restraint and the absence of lawful justification. Read alongside the closely related mistake-of-fact defence in unlawful-arrest cases, the doctrine forms the spine of personal-liberty protection at common law.
Total restraint — Bird v. Jones
The requirement of total restraint distinguishes false imprisonment in tort from the criminal offence of wrongful restraint, which extends to partial restraint. The classical authority is Bird v. Jones (1845). Part of the public footway on Hammersmith Bridge had been wrongfully enclosed by the defendants, who had set up seats and were charging a fee for entry to watch a regatta on the river. The plaintiff, asserting his right to use the footway, climbed over the fence into the enclosure but was prevented from going forward. He could go back, or could cross the bridge by the carriageway. He stayed in the enclosure for half an hour and sued for false imprisonment. The Court of Queen's Bench held that there was no false imprisonment. Patterson J. said that obstructing the passage of another in a particular direction, while leaving alternative routes open, did not amount to imprisonment. The plaintiff had to be confined within boundaries imposed by another's will, with no reasonable means of escape, before the wrong was complete.
Coleridge J. in the same case set out a definition that has remained the standard one. A boundary, however large or narrow, fixed or movable, real or merely conceptual, is required; and the imprisoned party must be prevented from passing that boundary. To confound imprisonment of the body with mere loss of freedom of movement is to misread the doctrine. Restraint not amounting to a complete confinement gives no remedy for false imprisonment, though it may give other remedies, including under the criminal law. The duration of the restraint is irrelevant: in Mee v. Cruickshank (1902), a prisoner was detained for a few minutes after his acquittal while warders questioned him; that brief detention amounted to false imprisonment.
Means of escape
If reasonable means of escape are available, the restraint is not total and the action does not lie. Means of escape, however, must be intelligible to the person detained and must not expose him to undue risk. A blind man or a child must be able to locate the means; an outlet that requires a dangerous descent or that is guarded by violence does not count. A locked door with a key in plain view is one thing; a window thirty feet up another. The reasonableness of the means of escape is a question of fact in each case.
Knowledge of imprisonment — Herring v. Boyle and Meering
Whether the plaintiff must know of the restraint at the time has been controversial. In Herring v. Boyle (1834), a schoolmaster refused to permit a boy to leave with his mother unless an outstanding fee was paid. The conversation took place out of the boy's hearing; he was unaware of any restraint. The Court of Exchequer held that, in the absence of the boy's knowledge of the restraint, there was no false imprisonment. The opposite view was taken in Meering v. Grahame-White Aviation Co. (1919). The plaintiff, an employee suspected of theft, was asked to wait in a room while inquiries were made; police were called and he was eventually arrested. He sued for false imprisonment in respect of the period before the arrival of the police, when, unbeknown to him, two of the company's employees were stationed outside the door to prevent his leaving. The Court of Appeal held that the want of knowledge was no answer. Atkin L.J. observed that a person could be imprisoned without knowing it — for example while asleep, drunk, unconscious or insane — and that the wrong, in such circumstances, was complete.
The modern view, supported by the better authority, is that of Meering: knowledge of the restraint is not an essential ingredient of the tort, though, where the plaintiff was unaware, the want of knowledge will go to the quantum of damages. The Indian decisions follow the same line. The Meering reasoning is broadly consistent with the protection of liberty as an objective good, not as a subjective experience.
Lawful detention
Detention is lawful, and the action does not lie, where the law authorises the restraint. Examples include arrest under the Code of Criminal Procedure, detention under preventive-detention legislation, the confinement of patients with infectious diseases under public-health law, and the holding of a person who has voluntarily submitted to terms imposing a condition on departure. Robinson v. Balmain New Ferry Co. (1910) is illustrative: the plaintiff entered a wharf to take a ferry and, when no boat was available for twenty minutes, sought to leave without paying the published exit charge of one penny. The defendants refused to allow him out without the payment. The action failed: he had entered on the published terms, the charge was reasonable, and the restraint was therefore justified.
Herd v. Weardale Steel, Coal and Coke Co. (1915) is to similar effect. A miner descended at the start of his shift and, having wrongfully refused to do certain work, demanded to be brought to the surface long before the end of the shift. The defendant refused, but allowed him up later in the day. The House of Lords held that there was no false imprisonment: the miner had entered the mine on terms that he would be brought up at the end of the shift, and could not, by his own breach, accelerate his right to ascend. Volenti non fit injuria provided the answer. Reasonable conditions on entry, fairly published, will defeat the claim where the plaintiff is allowed to leave once those conditions are satisfied.
Unlawful detention — Indian leading cases
Where the detention has no lawful basis, false imprisonment lies, and Indian courts have used the action vigorously to protect personal liberty under the constitutional jurisdiction. In Rudul Sah v. State of Bihar (1983), the petitioner was acquitted in 1968 but kept in jail until 1982 — fourteen years after his acquittal — on the State's plea that he was being held for the treatment of mental imbalance. The Supreme Court rejected the plea and awarded interim compensation of Rs 35,000 in a writ of habeas corpus, leaving the petitioner free to claim further damages.
The leading constitutional-tort decision is Bhim Singh v. State of Jammu & Kashmir (1985). The petitioner, a member of the Jammu & Kashmir Legislative Assembly, was wrongfully arrested by police to prevent his attendance at the Assembly session — a manifestly mischievous and malicious act. The Supreme Court awarded exemplary damages of Rs 50,000 in habeas corpus proceedings, recognising that the writ jurisdiction can give compensation as ancillary relief where the conventional civil-suit route would be inadequate. Garikipati v. Araza Biksham applied the same logic to a private informant who falsely caused another's arrest. Kundal Lal v. Dr. Des Raj held that a Superintendent of Police who, without statutory authority, cancelled a bail bond and ordered re-arrest was liable for false imprisonment, as was the Sub-Inspector who executed the order — official subordination is no defence to a manifestly unauthorised act.
Wilkinson v. Downton — intentional infliction of harm
The rule in Wilkinson v. Downton (1897) sits at the edge of the trespass-to-person family. The defendant told the plaintiff, as a practical joke, that her husband had been gravely injured in an accident. She suffered violent shock, vomited, and developed a serious illness. Wright J. held the defendant liable on the principle that a person who, by an act calculated to cause harm to another, in fact causes physical or psychiatric harm, is liable, irrespective of negligence. The doctrine fills the gap left by trespass — which requires a direct application of force — and by negligence — which requires foreseeability and is generally unavailable for purely psychiatric injury outside the controlled categories. Subsequent English decisions, most recently Rhodes v. OPO (2015), have narrowed the doctrine, but the principle of liability for intentionally caused mental harm remains. The wider treatment of psychiatric injury is taken up in the chapter on nervous shock.
Defences to trespass to the person
The standard defences are consent, self-defence, lawful arrest, parental or judicial authority, and necessity. Consent operates as a complete answer where it is freely given on adequate information — a surgeon performing an operation under valid consent commits no battery, even though the operation involves the most invasive contact. Self-defence permits reasonable force to repel an attack; the force used must be proportionate to the threat. Lawful arrest, by a magistrate, police officer or, in the prescribed circumstances, a private person, immunises the restraint that arrest necessarily involves. Parental authority justifies reasonable correction of a child; judicial officers acting within jurisdiction are protected by the Judicial Officers' Protection Act, 1850. The defence of necessity applies in narrowly defined emergencies, as where a surgeon operates on an unconscious patient to save life. The wider law of volenti non fit injuria overlaps with consent in this area. Where the defendant exceeds the privilege — uses excessive force, makes an arrest without authority, retains a person beyond the period authorised — the defence falls away and the action lies in full.
Remedies — damages, self-help and habeas corpus
The principal remedy is an action for damages, in which compensation may be claimed not only for any pecuniary loss and physical injury but also for the indignity, mental suffering, disgrace and humiliation that flow from the wrong. False-imprisonment damages are largely non-pecuniary, and the courts have wide discretion. Self-help — the use of reasonable force to escape from an unlawful detention — is available to the plaintiff while still under restraint. The writ of habeas corpus, under Articles 32 and 226 of the Constitution, is the constitutional remedy for unlawful detention, and the courts may grant compensation as ancillary relief, as in Rudul Sah and Bhim Singh.
Synthesis — the four working questions
For any fact-pattern of trespass to the person the four working questions are these. First, has there been a direct application of force, a threat of immediate force, or a total restraint of liberty? Second, was the act intentional? Third, is the plaintiff entitled to bring the action without proof of damage — and the answer, for all three torts, is yes, since each is actionable per se. Fourth, is there a privilege — consent, self-defence, lawful arrest, judicial authority, necessity — that justifies what would otherwise be a wrong? Answering these four in order resolves almost every problem the examiner is likely to set, and links naturally to the wider doctrines of capacity in tort, the State's vicarious liability for unlawful arrest by its officers, and the essentials of tort generally.
For a candidate, the most useful single observation is that trespass to the person is the original tort — older than negligence, older than nuisance — and that its rules are framed in terms of liberty and bodily integrity rather than of damage. The plaintiff who can prove a direct, intentional and unjustified interference need prove no more. The defendant who would resist must produce a privilege. The structure has not changed in three hundred years, and is unlikely to change in the next three hundred.
Frequently asked questions
What is the difference between assault and battery in tort?
Battery is the intentional application of force to another without lawful justification — Cole v. Turner says the least touching in anger is enough. Assault is the act that causes the plaintiff a reasonable apprehension of an immediate battery — pointing a fist, raising a stick, or advancing in a threatening manner. Assault generally precedes battery (the raised fist, then the blow), but every battery does not include an assault: a blow from behind, without prior knowledge on the victim's part, is battery without any preceding assault.
Why is total restraint required for false imprisonment?
Bird v. Jones (1845) holds that the tort requires confinement within boundaries imposed by the defendant's will, with no reasonable means of escape. A partial restraint — preventing a person from going in one direction while leaving alternative routes open — is not false imprisonment, though it may be the criminal offence of wrongful restraint. Coleridge J.'s definition is that a boundary must exist, however narrow or large, and the plaintiff must be prevented from crossing it. Anything short of complete confinement gives no remedy for false imprisonment in tort.
Must the plaintiff know of the restraint at the time?
The better view, supported by Meering v. Grahame-White Aviation Co. (1919), is that knowledge is not essential. Atkin L.J. observed that a person can be imprisoned while asleep, drunk, unconscious or insane. The earlier contrary view in Herring v. Boyle (1834) — that the boy's want of knowledge defeated the action — has been departed from in subsequent practice. Want of knowledge does not defeat the action but goes to the quantum of damages, since the indignity and mental suffering are necessarily reduced where the plaintiff was unaware of the restraint.
What did Bhim Singh v. State of J&K decide?
In Bhim Singh v. State of Jammu & Kashmir (1985), an MLA was wrongfully arrested by police to prevent his attendance at the Legislative Assembly session — a deliberate political abuse of police power. The Supreme Court awarded exemplary damages of Rs 50,000 in a writ of habeas corpus, recognising that a constitutional tort jurisdiction allows compensation as ancillary relief for false imprisonment by State officers. The decision sits alongside Rudul Sah (1983) — the fourteen-year over-detention case — as the leading Indian authority on State liability for unlawful detention.
How does Wilkinson v. Downton fit into trespass to the person?
Wilkinson v. Downton (1897) addresses intentional infliction of harm where the harm is psychiatric and arises without any direct application of force. The defendant told the plaintiff falsely, as a joke, that her husband had been gravely injured. She suffered violent shock and serious illness. Wright J. imposed liability on the principle that a person who, by an act calculated to cause harm, in fact causes physical or psychiatric harm, is liable irrespective of negligence. It fills the gap between trespass (which requires direct force) and negligence (which requires foreseeability).
What defences are available to a charge of trespass to the person?
Consent operates as a complete defence — a surgeon under valid consent commits no battery. Self-defence permits reasonable, proportionate force to repel an attack. Lawful arrest by a magistrate, police officer or, in defined circumstances, a private person justifies the necessary restraint. Parental authority allows reasonable correction. Judicial officers within jurisdiction are protected by the Judicial Officers' Protection Act, 1850. Necessity applies in narrow emergencies. Excessive force or arrest without authority destroys the privilege and the action lies in full.