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Assault and Battery Defense

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Assault and battery defense is a branch of criminal law focused on protecting people accused of physically harming or threatening to harm another person. Although the terms are often used together, assault typically refers to an act that causes another person to reasonably fear imminent harm, while battery involves actual unwanted physical contact. Defense attorneys in this area work to challenge the prosecution's case, negotiate charges, or present legal justifications for their client's actions.

Cases in this area range widely — from bar fights and domestic disputes to altercations involving self-defense, defense of others, or defense of property. A central question in many cases is whether the accused acted out of a genuine, reasonable belief that force was necessary to prevent harm to themselves or someone else. Other defenses may involve consent, mistaken identity, or insufficient evidence that the contact occurred as alleged.

The specific definitions, penalties, and available defenses for assault and battery vary significantly from state to state. Some states treat the two as a single offense; others separate them. Sentencing can range from misdemeanor fines to felony imprisonment depending on the severity of the conduct, the use of a weapon, and the identity of the victim. These laws also evolve over time as legislatures update statutes and courts issue new rulings.

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Related practice areas

Drug Crime DefenseDUI and DWI LawFederal Criminal DefenseJuvenile LawProbation and Parole ViolationsSex Crime DefenseTheft and Property Crime DefenseViolent Crime Defense

Primary law

The governing U.S. Code, statutes and founding documents for Assault and Battery Defense.

Key definitions

Defined terms that recur in assault and battery defense — each links to its dictionary entry.

FelonyIndictmentDue ProcessAssaultBatterySelf DefenseMens ReaConsentIntentForceThreatBodily Harm

Key cases of the U.S. Courts of Appeals

The most-cited decisions applying U.S. Code Title 18 (Crimes and Criminal Procedure) — beyond the landmark cases above.

Assault and Battery Defense by state

Courts, law libraries and state-specific resources. State law governs much of this area, so deadlines and rules vary by state.

Further reading

  • Adjudicating Campus Sexual Misconduct and Assault: Controversies and Challenges - Hardcover
    Adjudicating Campus Sexual Misconduct and Assault: Controversies and Challenges - Hardcover
  • Your Consent: The Key to Conquering Sexual Assault - Paperback
    Your Consent: The Key to Conquering Sexual Assault - Paperback
    Joyce Short
  • Pattern Cross-Examination Questions for Sexual Assault Cases: A Trial Strategy & Resource Guide - Paperback
    Pattern Cross-Examination Questions for Sexual Assault Cases: A Trial Strategy & Resource Guide - Paperback
    Alexandra González Waddington
  • Abortion and The Senseless Assault on Reproductive Rights!: Based on Gross Judicial Ignorance, Willful Arrogance and A Lack of Court Ethics - Paperback
    Abortion and The Senseless Assault on Reproductive Rights!: Based on Gross Judicial Ignorance, Willful Arrogance and A Lack of Court Ethics - Paperback
    Dorris S. Woods
  • Sexual Assault [Rape]: Moving from Victim to Survivor - Informative Guide - Paperback
    Sexual Assault [Rape]: Moving from Victim to Survivor - Informative Guide - Paperback
    Lizyvette Ramos Ma
  • The New Bankruptcy: Will It Work for You? - Paperback
    The New Bankruptcy: Will It Work for You? - Paperback
    Cara O'Neill
  • Sexual Assault in the U.S. Military: The Battle Within America's Armed Forces - Hardcover
    Sexual Assault in the U.S. Military: The Battle Within America's Armed Forces - Hardcover
    Rosemarie Skaine
  • Assault at West Point: The Court-Martial of Johnson Whittaker - Paperback
    Assault at West Point: The Court-Martial of Johnson Whittaker - Paperback
    John F. Marszalek
  • The Assault on International Law - Hardcover
    The Assault on International Law - Hardcover
    Jens David Ohlin
  • Sanctions in Haiti: Human Rights and Democracy Under Assault - Paperback
    Sanctions in Haiti: Human Rights and Democracy Under Assault - Paperback
    Elizabeth D. Gibbons
  • Report of the Trial Major Mitchell, for Felonious Assault and Maiming, on the Person of David H. Crawford: Before the Supreme Judicial Court of the St - Paperback
    Report of the Trial Major Mitchell, for Felonious Assault and Maiming, on the Person of David H. Crawford: Before the Supreme Judicial Court of the St - Paperback
    James F. Otis
  • The Authoritarians: Their Assault on Individual Liberty, the Constitution, and Free Enterprise from the 19th Century to the Present - Paperback
    The Authoritarians: Their Assault on Individual Liberty, the Constitution, and Free Enterprise from the 19th Century to the Present - Paperback
    Jonathan W. Emord
  • No Border: Justin Trudeau's Assault on Canadian Border Security - Paperback
    No Border: Justin Trudeau's Assault on Canadian Border Security - Paperback
    Candice Malcolm
  • The Trial of Mr. Savill, Linen-Draper, Margate, Who Was Falsely and Maliciously Charged with Assaulting Mary Bayly, with Intent Her Carnally to Know a - Paperback
    The Trial of Mr. Savill, Linen-Draper, Margate, Who Was Falsely and Maliciously Charged with Assaulting Mary Bayly, with Intent Her Carnally to Know a - Paperback
    Anonymous
  • The Trial of Henry St. George Tucker, Esq. for an Assault with Intent to Commit a Rape on the Person of Mrs. Dorothea Simpson - Paperback
    The Trial of Henry St. George Tucker, Esq. for an Assault with Intent to Commit a Rape on the Person of Mrs. Dorothea Simpson - Paperback
    Anonymous
  • Investigating Sexual Assault Cases - Paperback
    Investigating Sexual Assault Cases - Paperback
    Arthur S. Chancellor
  • Law 3.0: Rules, Regulation, and Technology - Paperback
    Law 3.0: Rules, Regulation, and Technology - Paperback
    Roger Brownsword
  • Wrongful Conviction in Sexual Assault: Stranger Rape, Acquaintance Rape, and Intra-Familial Child Sexual Assaults - Hardcover
    Wrongful Conviction in Sexual Assault: Stranger Rape, Acquaintance Rape, and Intra-Familial Child Sexual Assaults - Hardcover
    Matthew Barry Johnson
  • Step-by-Step Practitioner Toolkit for Evaluating the Work of Sexual Assault Nurse Examiner (SANE) Programs in the Criminal Justice System - Paperback
    Step-by-Step Practitioner Toolkit for Evaluating the Work of Sexual Assault Nurse Examiner (SANE) Programs in the Criminal Justice System - Paperback
  • Investigating Sexual Assault Cases - Paperback
    Investigating Sexual Assault Cases - Paperback
    Arthur S. Chancellor
  • The Bush-Cheney Administration's Assault on Open Government - Hardcover
    The Bush-Cheney Administration's Assault on Open Government - Hardcover
    Bruce P. Montgomery
  • The Trial at Large of Rhynwick Williams, at the Old Bailey, July 8th. 1790, Before Judge Buller, for Maliciously and Feloniously Making an Assault on - Paperback
    The Trial at Large of Rhynwick Williams, at the Old Bailey, July 8th. 1790, Before Judge Buller, for Maliciously and Feloniously Making an Assault on - Paperback
    E. Hodgson
  • Adversarial Justice and Victims' Rights: Reconceptualising the Role of Sexual Assault Victims - Paperback
    Adversarial Justice and Victims' Rights: Reconceptualising the Role of Sexual Assault Victims - Paperback
    Mary Iliadis
  • Taking Back the Workers' Law: How to Fight the Assault on Labor Rights - Paperback
    Taking Back the Workers' Law: How to Fight the Assault on Labor Rights - Paperback
    Ellen Dannin

This overview is general legal information, not legal advice, and does not create an attorney–client relationship. Laws vary by state and change over time — consult a licensed attorney about your situation.