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Home » Blog » Fraud Definition: What Fraud Means in U.S. Law
Criminal Law & ProcedureState Law

Fraud Definition: What Fraud Means in U.S. Law

By Lucas S.
Last updated: August 11, 2026
7 Min Read
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This article is provided for educational and informational purposes only. It does not constitute legal, financial, or tax advice, and no attorney-client relationship is formed by reading it. Laws, regulations, official guidance, and related information vary by jurisdiction, change frequently, and may have changed or become outdated since publication. Always verify current information with authoritative sources and consult a qualified professional about your specific circumstances. The author and publisher assume no liability for actions taken based on this information.

Contents
  • Fraud can arise in different kinds of legal proceedings
  • Intent and material deception are central ideas
  • Federal mail and wire fraud have specific channel elements
  • Consumer deception uses a different federal framework
  • State and federal rules must be kept separate
  • Narrower fraud questions use separate rules
  • Sources
Key Facts
  1. National overview: Fraud broadly involves intentional deception used to obtain a benefit or cause a legally recognized loss, but the exact elements depend on the governing law.
  2. Federal and state: Fraud can describe criminal offenses, civil claims, and regulatory violations, so the legal setting changes what must be proved and what remedies are available.
  3. Federal level: Federal mail and wire fraud are separate statutory crimes built around a scheme to defraud plus use of a specified communication channel.
  4. Federal level: Section 5 of the Federal Trade Commission Act separately declares unfair or deceptive acts or practices in or affecting commerce unlawful.
  5. Federal and state: The relevant statute, claim, jurisdiction, and alleged conduct must be identified before the word “fraud” has a precise legal meaning.

Fraud is a broad legal term for deliberate deception connected to an improper gain or a legally recognized loss. Cornell Law School’s legal encyclopedia describes fraud as encompassing deceit, trickery, concealment, and breach of confidence used to gain an unfair or dishonest advantage.

That broad meaning does not create one universal fraud claim. The governing criminal statute, civil cause of action, or regulatory provision supplies the actual elements.

Fraud can arise in different kinds of legal proceedings

A criminal fraud case is brought by the government under a criminal statute. In a federal criminal trial, the government must prove guilt beyond a reasonable doubt.

A civil case usually seeks a legal remedy for a private wrong, and the plaintiff generally carries a lower burden of proof than the government does in a criminal trial. A regulatory case can proceed under an agency’s separate statutory authority.

A charging document or civil complaint states allegations, not a final finding of guilt or liability.

Intent and material deception are central ideas

Fraud commonly involves a knowingly false representation, concealment, or deceptive conduct aimed at influencing another person’s decision. Materiality asks whether the matter was capable of influencing the decision at issue.

A mistake is not automatically fraud. The applicable rule may require knowledge, intent to defraud, reliance, loss, property, or another defined connection between the deception and the claimed harm.

This is why context matters when someone uses “fraud” as a label. A broken promise, billing error, or disputed contract term does not establish a legal fraud claim unless the required elements are proved.

Federal mail and wire fraud have specific channel elements

The federal mail fraud statute covers a scheme to defraud or to obtain money or property by false pretenses when the mail or certain carriers are used for the purpose of executing the scheme. The federal wire fraud statute uses parallel scheme language and requires an interstate or foreign wire, radio, or television communication.

The wire fraud statute requires a scheme, intent, and use of interstate wire communications for the purpose of executing the scheme. A phone, email, website, electronic payment, or mailed document does not establish the offense by itself.

Other federal statutes address narrower subjects, so the text of the actual charged offense remains controlling. Federal law also does not establish the elements of a separate state-law offense or civil claim.

Consumer deception uses a different federal framework

Section 5 of the Federal Trade Commission Act declares unfair or deceptive acts or practices in or affecting commerce unlawful. The statute empowers the FTC to prevent covered persons, partnerships, and corporations from using those practices, subject to statutory limits and exemptions.

This consumer-protection authority is not the same as a criminal conviction for mail or wire fraud. The FTC can investigate potential violations and use administrative or judicial enforcement routes described in its statutory authority.

The FTC’s advertising guidance states that advertising claims should be truthful, not misleading, and supported when appropriate. An advertisement’s overall impression can matter alongside its express words.

State and federal rules must be kept separate

Fraud is not governed exclusively by federal law. State statutes and court decisions may define state crimes, civil claims, and consumer remedies, and those rules are not established by citing a federal fraud statute.

A national definition can identify recurring concepts, but a concrete state-law conclusion requires authority from that state. This article therefore does not assign one state’s elements or remedies to another jurisdiction.

Narrower fraud questions use separate rules

Unauthorized card activity is covered in the site’s focused guide to fraudulent payment-card charges. A separate guide addresses fraud and scam reporting.

Sources

  • Cornell Legal Information Institute overview of fraud
  • 18 U.S.C. § 1341 — Frauds and swindles using the mail
  • 18 U.S.C. § 1343 — Fraud by wire, radio, or television
  • 15 U.S.C. § 45 — Unfair or deceptive acts or practices
  • Federal Trade Commission enforcement authority overview
  • Federal Trade Commission truth-in-advertising guidance
  • United States Courts overview of federal criminal cases
  • United States Courts overview of federal civil cases
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ByLucas S.
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I am an independent writer and researcher with a deep interest in law, public affairs, and how the U.S. legal system operates in the real world. Regarding the key facts about my work, my role consists of providing plain-English legal explanations and covering various lawsuits and legal disputes. My approach involves preparing articles using the primary sources listed on each page. I am not an attorney or a lawyer and I do not provide legal advice. The primary areas where I focus my research include explaining complex legal topics in plain English, translating official legal materials into accessible explanations, and following current lawsuits and court cases. You should consult a qualified professional for advice regarding your own situation.
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