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Legal Malpractice Law

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Legal malpractice law addresses situations where a lawyer's professional failure harms a client. Lawyers, like other professionals, owe their clients a duty of competent and diligent service, and when they fall short in a way that causes real damage, the client may have a claim.

Common situations include missing an important deadline, failing to file or pursue a case properly, a serious conflict of interest, mishandling client funds, or giving advice that falls below accepted professional standards. Not every disappointing result is malpractice; losing a case or disagreeing with a strategy is not enough on its own.

Key concepts a non-lawyer should understand are the four general elements of such a claim: the lawyer owed a duty, the lawyer breached that duty, the breach caused harm, and the client suffered an actual loss. The element of causation is often the hardest part, because the client usually must show that a competent lawyer would have produced a better outcome.

People typically seek a different attorney to evaluate a possible malpractice claim when they believe a prior lawyer's mistake cost them a case, money, or an important right. Because these claims are time-sensitive and technically demanding, an independent legal review is usually the practical first step.

Share of classified federal decisions

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share of classified federal decisions

Of the federal decisions we've classified by topic, the share each year that fall under this practice area — so a persistently high line means this is a large, enduring share of federal litigation. This is not a share of all litigation: only part of the corpus is topic-classified (unevenly across eras), and an opinion can belong to several areas, so areas need not sum to 100%. State cases are largely unclassified, so this is federal only. The dip in the last several years is a data-coverage gap — our corpus holds fewer opinions from the most recent years — not a real decline.

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Related practice areas

Class Action LitigationConsumer Fraud and Deceptive PracticesFair Credit Reporting LawFalse Advertising LawHealth Care LawIdentity Theft LawLemon LawMass Tort Law

Key definitions

Defined terms that recur in legal malpractice law — each links to its dictionary entry.

MalpracticeNegligenceFiduciaryBreachProximate CauseDamagesCausationPrivityStatute Of LimitationsLegal DutyJudgment

Frequently asked questions

  • Can I fire my lawyer?

    You have the right to end a relationship with a lawyer at any time. But if the lawyer you don't like is representing you on a contingency-fee basis (for a percentage of any…

    Read more →
  • Can I sue for legal malpractice?

    You can sue for legal malpractice, but unfortunately, it is very hard to win a malpractice case. Malpractice means that the lawyer failed to use the ordinary skill and care that…

    Read more →

Legal Malpractice Law 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

  • Medical Malpractice - Paperback
    Medical Malpractice - Paperback
    Frank A. Sloan
  • They're Coming for Your Elders and Your Inheritance: Ways to Protect Your Family, Mitigate the Damage, and Change the System - Paperback
    They're Coming for Your Elders and Your Inheritance: Ways to Protect Your Family, Mitigate the Damage, and Change the System - Paperback
    Léonie Rosenstiel
  • Power from Within: A Guide to Success as a Medical Malpractice Defense Expert - Paperback
    Power from Within: A Guide to Success as a Medical Malpractice Defense Expert - Paperback
    Jeffrey A. Krompier Esq
  • J - Manual Para el Preso Primerizo - Paperback
    J - Manual Para el Preso Primerizo - Paperback
    Marcel Pujol
  • Bendectin and Birth Defects: The Challenges of Mass Toxic Substances Litigation - Paperback
    Bendectin and Birth Defects: The Challenges of Mass Toxic Substances Litigation - Paperback
    Michael D. Green
  • Mental Health Workbook: 6 Books in 1: The Attachment Theory, Abandonment Anxiety, Depression in Relationships, Addiction, Complex PTSD, Trauma - Paperback
    Mental Health Workbook: 6 Books in 1: The Attachment Theory, Abandonment Anxiety, Depression in Relationships, Addiction, Complex PTSD, Trauma - Paperback
    Marzia Fernandez
  • Escape Bedside Burnout: The Complete Guide to Building a Six-Figure Legal Nurse Consulting Practice - Paperback
    Escape Bedside Burnout: The Complete Guide to Building a Six-Figure Legal Nurse Consulting Practice - Paperback
    Etta Alison Knapp
  • Medical Malpractice & Other Lawsuits: A Healthcare Providers Guide: Key Factors You Must Know... Overlook One and Put Yourself at Risk - Paperback
    Medical Malpractice & Other Lawsuits: A Healthcare Providers Guide: Key Factors You Must Know... Overlook One and Put Yourself at Risk - Paperback
    Richard Moses
  • Joey's Legacy Volume Two: Seeking Truth and Integrity in Veterinary Medicine is about the small percentage of bad actors (the Bad Guys) and the victim - Paperback
    Joey's Legacy Volume Two: Seeking Truth and Integrity in Veterinary Medicine is about the small percentage of bad actors (the Bad Guys) and the victim - Paperback
    Jl Robb
  • Joey's Legacy Volume Two: Seeking Truth and Integrity in Veterinary Medicine is about the small percentage of bad actors (the Bad Guys) and the victim - Hardcover
    Joey's Legacy Volume Two: Seeking Truth and Integrity in Veterinary Medicine is about the small percentage of bad actors (the Bad Guys) and the victim - Hardcover
    Jl Robb
  • Waking Up Blind: Lawsuits over Eye Surgery - Hardcover
    Waking Up Blind: Lawsuits over Eye Surgery - Hardcover
    Mba Harbin
  • World's Best Doctors: How Good Old-Fashioned Manners Improve Patient Satisfaction and Can Lower Litigation Risk - Paperback
    World's Best Doctors: How Good Old-Fashioned Manners Improve Patient Satisfaction and Can Lower Litigation Risk - Paperback
    Victoria Soto
  • You Can't Do That! - Paperback
    You Can't Do That! - Paperback
    Unknown Attorney
  • Waking Up Blind: Lawsuits over Eye Surgery - Paperback
    Waking Up Blind: Lawsuits over Eye Surgery - Paperback
    Mba Harbin
  • Whistleblower Doctor--The Politics and Economics of Pain and Dying - Paperback
    Whistleblower Doctor--The Politics and Economics of Pain and Dying - Paperback
    David Keith Cundiff
  • Chart Like a Lawyer: Legal-Proof Documentation for Nurses & NPs - Paperback
    Chart Like a Lawyer: Legal-Proof Documentation for Nurses & NPs - Paperback
    Jaime Weiland
  • Pandemic of Opportunism - Paperback
    Pandemic of Opportunism - Paperback
    Sarah Seymour-Winfield
  • The Art of Settlement: A Lawyer's Guide to Regulatory Compliance when Resolving Catastrophic Claims - Paperback
    The Art of Settlement: A Lawyer's Guide to Regulatory Compliance when Resolving Catastrophic Claims - Paperback
    Jason D. Lazarus
  • California Medical Malpractice Law Basics For Unhappy People - Paperback
    California Medical Malpractice Law Basics For Unhappy People - Paperback
    L. Y. Rhodes
  • The Art of Settlement: A Lawyer's Guide to Regulatory Compliance when Resolving Catastrophic Claims - Hardcover
    The Art of Settlement: A Lawyer's Guide to Regulatory Compliance when Resolving Catastrophic Claims - Hardcover
    Jason D. Lazarus
  • Margie: Victim of Medical Negligence - Paperback
    Margie: Victim of Medical Negligence - Paperback
    Jerry Brown-Sarre
  • In the Midst of the Storm: COVID-19 - Paperback
    In the Midst of the Storm: COVID-19 - Paperback
    Monique M. Milner
  • Behind These Walls - Paperback
    Behind These Walls - Paperback
    Dee Ess
  • Legal Nurse Consultant Procedure Manual: (and More) - Paperback
    Legal Nurse Consultant Procedure Manual: (and More) - Paperback
    Katy Jones

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.