Securities Regulation

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Scienter

A mental-state requirement in many securities-fraud claims, usually referring to intent to deceive, manipulate, or defraud, and in some contexts recklessness.

Why It Matters

Scienter affects pleading burdens, enforcement strategy, settlement leverage, and the tradeoff between deterring fraud and avoiding excessive liability for ordinary business mistakes.

Selected Literature

A short list of directly relevant archive entries.

Related Cases

1976

Securities Regulation

Ernst & Ernst v. Hochfelder

425 U.S. 185 (1976)

Scienter requirement for private damages actions under Section 10(b) and Rule 10b-5.

1980

Securities Regulation

Aaron v. SEC

446 U.S. 680 (1980)

Which antifraud provisions require the SEC to prove scienter when it seeks an injunction.

2019

Securities Regulation

Lorenzo v. SEC

587 U.S. 71 (2019)

Primary scheme liability for knowingly disseminating false statements authored by another person.