Study guide

13.1 Intent, Motive & Incapacity in Intentional Torts

California First-Year Law Students' Examination Baby Bar

Track your progress as you read

Finished sections get a check mark.

1 Introduction & FYLSE Examination Guide

1.1 FYLSE Exam Structure, Passing Standard & Administration 1.2 Study Method, Pacing & MBE-Style Technique

2 Contracts: Mutual Assent, Capacity & Contract Formation

2.1 The Offer & Objective Theory of Assent 2.2 Termination & Irrevocability of Offers 2.3 Acceptance & the Mailbox Rule 2.4 Mirror Image Rule & UCC 2-207 Battle of the Forms 2.5 Mistake in Contract Formation 2.6 Fraud, Duress, Undue Influence & Illegality 2.7 Capacity to Contract

3 Contracts: Consideration, Estoppel & Implied Obligations

3.1 Consideration & the Bargained-For Exchange 3.2 Past & Moral Consideration, Pre-Existing Duty & Modification 3.3 Promissory Estoppel & Detrimental Reliance 3.4 Implied-in-Fact Contracts & Quasi-Contract 3.5 Implied Covenant of Good Faith, Fair Dealing & Indefinite Terms

4 Contracts: Third-Party Beneficiaries, Assignment & Delegation

4.1 Third-Party Beneficiary Contracts 4.2 Assignment of Rights 4.3 Delegation of Duties

5 Contracts: Statute of Frauds, Parol Evidence & Interpretation

5.1 Statute of Frauds: Contracts Within the Statute 5.2 Satisfying the Statute: Writing, Signature & Exceptions 5.3 The Parol Evidence Rule 5.4 Contract Interpretation & Canons of Construction

6 Contracts: Performance, Conditions, UCC Warranties & Breach

6.1 Conditions: Express, Constructive & Excuse 6.2 Substantial Performance vs. Perfect Tender 6.3 Cure, Rejection, Revocation & Installment Contracts 6.4 UCC Article 2 Warranties & Risk of Loss 6.5 Anticipatory Repudiation & Insecurity

7 Contracts: Remedies, Discharge & Changed Circumstances

7.1 Expectation Damages & Their Limitations 7.2 Reliance, Restitution & Liquidated Damages 7.3 Specific Performance & Injunctive Relief 7.4 UCC Article 2 Buyer's and Seller's Remedies 7.5 Impossibility, Impracticability & Frustration of Purpose 7.6 Discharge by Agreement: Rescission, Novation & Accord and Satisfaction

8 Criminal Law: Principles of Criminal Liability & Mens Rea

8.1 Actus Reus, Voluntary Acts & Omissions 8.2 Criminal Causation & Intervening Causes 8.3 Common Law & Model Penal Code Mens Rea 8.4 Mistake of Fact, Mistake of Law & Concurrence

9 Criminal Law: Inchoate Offenses & Accomplice Liability

9.1 Criminal Attempt & Impossibility 9.2 Solicitation & the Merger Doctrine 9.3 Conspiracy & Merger Doctrine 9.4 Accomplice Liability: Actus Reus & Mens Rea 9.5 Scope of Accomplice Liability, Withdrawal & Parties to Crime

10 Criminal Law: Homicide & Crimes Against the Person

10.1 Common Law Murder & Malice Aforethought 10.2 Degrees of Murder, Premeditation & Deliberation 10.3 The Felony Murder Rule & Its Limitations 10.4 Voluntary & Involuntary Manslaughter 10.5 Non-Homicide Crimes Against the Person

11 Criminal Law: Property Crimes, Theft & Habitation

11.1 Common Law Larceny 11.2 Embezzlement & False Pretenses 11.3 Robbery & Extortion 11.4 Receiving Stolen Property 11.5 Burglary 11.6 Arson

12 Criminal Law: Defenses: Capacity, Justification & Excuse

12.1 Insanity: The Four Legal Tests 12.2 Intoxication, Diminished Capacity & Infancy 12.3 Self-Defense & Defense of Others 12.4 Defense of Property, Habitation & Law Enforcement Privileges 12.5 Duress & Necessity 12.6 Entrapment & Mistake as an Excuse

13 Torts: Intentional Torts to Persons & Property

13.1 Intent, Motive & Incapacity in Intentional Torts 13.2 Transferred Intent 13.3 Battery & Assault 13.4 False Imprisonment 13.5 Trespass to Land 13.6 Trespass to Chattels & Conversion

14 Torts: Privileges & Defenses to Intentional Torts

14.1 Consent: Express, Implied & Capacity 14.2 Exceeding & Vitiating Consent 14.3 Self-Defense & Defense of Others (Tort) 14.4 Defense of Property & Recapture of Chattels 14.5 Public & Private Necessity 14.6 The Shopkeeper's Privilege

15 Torts: Negligence — Duty of Care & Breach

15.1 Duty of Care & the Foreseeable Plaintiff 15.2 Affirmative Duties to Act & Special Relationships 15.3 Standard of Care: The Reasonable Person & Children 15.4 Professional Negligence, Informed Consent & Negligence Per Se 15.5 Land Possessor Liability & Premises Duties 15.6 Breach of Duty & Res Ipsa Loquitur

16 Torts: Causation, Defenses, Multiple Tortfeasors, Wrongful Death & Damages

16.1 Cause in Fact & Multiple Actors 16.2 Proximate Cause & Intervening Forces 16.3 Contributory, Comparative Negligence & Assumption of Risk 16.4 Joint and Several Liability, Contribution & Indemnity 16.5 Vicarious Liability & Non-Delegable Duties 16.6 Wrongful Death & Survival Actions 16.7 Statute of Limitations & Claim Accrual 16.8 Tort Damages: Compensatory, Nominal, Punitive & Mitigation

17 Torts: Strict Liability & Products Liability

17.1 Strict Liability for Animals 17.2 Abnormally Dangerous Activities & Scope of Risk 17.3 Strict Products Liability & Defect Categories 17.4 Products Liability Under Negligence, Warranty & Misrepresentation 17.5 Defenses to Products Liability

18 Torts: Emotional Distress, Defamation, Privacy & Economic Torts

18.1 Intentional Infliction of Emotional Distress 18.2 Negligent Infliction of Emotional Distress 18.3 Common Law Defamation: Elements, Libel & Slander 18.4 Constitutional Limits, Privileges & Defenses to Defamation 18.5 Invasion of Privacy 18.6 Nuisance & Economic Torts

13.1 Intent, Motive & Incapacity in Intentional Torts

Key Takeaways Explain This Topic AI

Intent in tort means either the purpose to cause the result or knowledge that the result is substantially certain to follow.

Substantial certainty is measured subjectively by what this defendant knew, not by what a reasonable person would have foreseen.

Motive is irrelevant to intent, so a defendant acting from benevolent motives is still liable if the intent element is satisfied.

A mistake of fact does not negate intent, so a defendant who intends to take what he wrongly believes is his own chattel still commits conversion.

Children and persons with mental illness are generally liable for intentional torts if they in fact formed the requisite intent, unlike in criminal law.

Last updated: September 2026

Intent, Motive & Incapacity in Intentional Torts

Doctrinal Foundation: In tort jurisprudence, intentional torts protect individuals and their property from volitional, wrongful intrusions. Unlike negligence, which balances conduct against an objective standard of reasonable care, intentional tort liability turns on the actor's state of mind regarding the consequences of their physical act. On the California First-Year Law Students' Examination (FYLSE), candidates must master the two alternative prongs of tortious intent, decouple intent from motive, recognize that good-faith mistake of fact does not negate tortious intent, apply the universal capacity rule to minors and mentally disabled actors, and trace the transferred intent doctrine across its strict common law boundaries.

I. The Definition and Dual Dimensions of Tortious Intent

Under the Restatement (Second) of Torts § 8A , the word "intent" denotes that the actor desires to cause the consequences of their act, or that they believe that the consequences are substantially certain to result from it. Tort law recognizes two distinct, alternative avenues for establishing intent:

Specific Intent (Purpose or Desire): The defendant acts with the conscious objective, purpose, or desire to bring about the specific tortious consequence. For example, an actor swings a fist with the subjective goal of striking the plaintiff's jaw.

General Intent (Substantial Certainty): The defendant does not necessarily desire or harbor a personal goal to cause the harm, but acts knowing with substantial certainty that the physical consequence will result from their volitional conduct. ┌──────────────────────────────────────┐

  • │ Dual Dimensions of Intent │
  • │ Restatement (Second) § 8A │
  • └──────────────────┬───────────────────┘
  • │
  • ┌──────────────────────────────────┴──────────────────────────────────┐
  • ▼ ▼
  • [SPECIFIC INTENT: PURPOSE] [GENERAL INTENT: SUBSTANTIAL CERTAINTY]
  • Actor subjectively desires the - Actor does not desire consequence,
  • prohibited consequence but knows it is substantially certain to occur
  • Conscious objective to strike, - Near-inevitable physical consequence
  • confine, or invade - Garratt v. Dailey (5-year-old pulled chair)
  • The Landmark Principle of Garratt v. Dailey

The substantial certainty standard was established in the foundational case of Garratt v. Dailey , 46 Wash. 2d 197 (1955). In Garratt , five-year-old Brian Dailey pulled a lawn chair out from behind Ruth Garratt just as she began to sit down. The trial court initially found that Brian did not intend to injure the plaintiff. The Supreme Court of Washington remanded, holding that if Brian moved the chair knowing with substantial certainty that Ruth would attempt to sit where the chair had been and would contact the ground, he possessed the requisite intent for battery.

Important

The Substantial Certainty Threshold vs. High Probability: Substantial certainty is not merely a high statistical probability, recklessness, or gross negligence. Driving 90 mph through a congested residential school zone creates an extreme, foreseeable risk of collision, but it does not establish substantial certainty that a specific pedestrian will be struck. Substantial certainty requires that the actor knows the consequence is practically inevitable as a direct result of their conduct.

The Fault Spectrum in Tort Law

To evaluate FYLSE tort questions accurately, candidates must place the defendant's mental state on the legal fault spectrum:

Level of Fault Mental State Standard Defining Characteristic Exemplary Case / Doctrine

Intent (Purpose) Subjective desire Conscious objective to produce the physical invasion Actor shoots firearm directly at plaintiff

Intent (Substantial Certainty) Knowledge of near-inevitability Actor knows the physical result will occur Garratt v. Dailey (pulling chair as victim sits)

Recklessness (Gross Negligence) Conscious disregard of substantial risk Highly unreasonable conduct involving an extreme departure from ordinary care Firing rifle randomly into an open, uninhabited forest

Negligence Failure to exercise reasonable care Conduct creating an unreasonable, foreseeable risk of harm Driver glancing at phone and drifting across lane

Strict Liability Liability without fault Liability imposed regardless of care due to inherent ultra-hazardous danger Blasting with dynamite, keeping wild animals

II. Motive vs. Intent

A critical trap on the FYLSE is confusing intent with motive . In intentional torts, the defendant's motive is generally immaterial to the existence of a prima facie case:

Intent: Relates to the defendant's determination to bring about the immediate physical contact, apprehension, confinement, or property entry.

Motive: Relates to the defendant's underlying reason, ultimate objective, or emotional impetus for desiring or causing that consequence.

The Immateriality of Benevolence, Humor, and Altruism

A defendant who intentionally causes harmful or offensive contact, confinement, or physical invasion is liable for an intentional tort even if the underlying motive was entirely benevolent, humorous, or intended to benefit the plaintiff:

Practical Jokes: An actor who sneaks up behind a friend and aggressively bear-hugs them as a humorous surprise has committed battery if the contact is objectively offensive or harmful, regardless of whether it was intended as a prank.

Unsolicited Medical Assistance: A physician who performs an unauthorized surgical procedure while a patient is anesthetized for a different operation commits battery, even if the procedure was medically beneficial, perfectly executed, and performed out of pure professional concern for the patient's long-term health.

Role of Malice: Malice, spite, and ill will are not required elements of any intentional tort against person or property (with the narrow exception of malicious prosecution). Malice is relevant only to defeating qualified privileges or supporting a claim for punitive damages .

III. Mistake of Fact Does Not Negate Intent

In criminal law, a good-faith mistake of fact may negate the specific mens rea required for certain offenses (e.g., an honest mistake of ownership negates common law larceny). In sharp contrast, the common law rule in intentional torts is that mistake of fact does NOT negate intent :

The Mistake Principle: If a defendant intends to bring about the physical condition or consequence that constitutes the tort, the defendant is liable even if acting under an honest, reasonable mistake of law or fact.

Trespass to Land: An individual who walks across Blackacre reasonably believing it is their own land or public parkland is liable for trespass to land. The defendant intended to place their feet upon that specific soil; the mistake as to legal ownership or boundary lines is irrelevant ( Perry v. Jefferies ).

Trespass to Chattels & Conversion: A defendant who purchases a stolen painting from a reputable art gallery in good faith, reasonably believing the gallery held valid title, is liable for conversion to the true owner upon refusing to surrender it. The defendant intended to exercise dominion and control over that specific chattel.

Mistake in Self-Defense Distinguished: Mistake is relevant to affirmative privileges (e.g., a reasonable mistake regarding an imminent attack can support self-defense), but mistake never negates the prima facie intent element itself.

IV. Incapacity in Intentional Torts: Minors, Mental Disability & Intoxication

Unlike criminal law, which shields infants through the common-law "rule of sevens" and excuses mentally impaired defendants under insanity tests (such as M'Naghten), intentional tort law applies a universal capacity rule . ┌──────────────────────────────────────┐

  • │ Incapacity in Intentional Torts │
  • └──────────────────┬───────────────────┘
  • │
  • ┌──────────────────────────────────┼──────────────────────────────────┐
  • ▼ ▼ ▼
  • [MINORS] [MENTAL DISABILITY] [INTOXICATION]
  • No minimum age cut-off - Mental illness does not excuse - Voluntary or involuntary
  • Liable if capable of forming tortious intent intoxication does NOT excuse
  • purpose or substantial certainty - Liable if intended contact, - Liable if volitional physical
  • Parents NOT vicariously liable even if based on delusion movement accompanied by intent
  • at common law (McGuire v. Almy) - Not a defense in tort
  • 1. Minors

There is no arbitrary minimum age below which a child is immune from intentional tort liability. If a child possesses the mental capacity to formulate the required purpose or substantial certainty, the child is legally responsible:

A five-year-old child who pulls away a chair or throws a rock at another child is liable for battery if the child appreciated the physical reality of the act ( Garratt v. Dailey ).

Very young infants (e.g., a one-year-old baby who strikes someone while flailing) lack the cognitive capacity to formulate intent; however, once a minor can appreciate physical cause and effect, liability attaches.

Parental Liability at Common Law: Parents are not vicariously liable for the intentional torts of their minor children merely by virtue of the parent-child relationship. At common law, parents are liable only for their own independent negligence (e.g., negligent entrustment of a dangerous instrumentality or negligent supervision after knowing of a child's vicious propensities). In California, limited statutory vicarious liability is imposed by statute (Cal. Civ. Code § 1714.1) for willful misconduct up to a statutory dollar ceiling, but this is a legislative creation, not common law.

2. Mentally Disabled and Insane Individuals

Mental illness, insanity, or cognitive disability does not shield an actor from intentional tort liability ( McGuire v. Almy , 297 Mass. 323 (1937); Polmatier v. Russ , 206 Conn. 229 (1988)):

The Rule: An insane or mentally ill person is liable for an intentional tort if they intended to cause the physical consequence, even if their underlying reason or motivation was completely insane, delusional, or irrational.

The Delusional Attack: If a defendant suffering from schizophrenia strikes a nurse with a wooden leg believing the nurse is a six-headed demon sent by the underworld, the defendant is liable for battery. The defendant intended to cause a harmful physical contact with the figure before them; the fact that the motivation was driven by a psychotic delusion does not negate the physical intent.

3. Intoxicated Individuals

Neither voluntary nor involuntary intoxication is a defense to intentional torts. A defendant who voluntarily consumes alcohol until heavily inebriated and then shoves another patron or walks onto private property remains fully liable for battery or trespass to land. As long as the defendant was capable of volitional physical movement and intended the act, intoxication provides no exculpation.

Loading diagram... Intent & Transferred Intent Analytical Framework