Also known as: mitigation of damages · duty to mitigate · mitigate damages · mitigated · mitigating · doctrine of mitigation · mitigation
Written by attorneys · grounded in primary & secondary sources — see below
An equitable or common-law principle that reduces damages or the degree of an offense when the defendant's conduct itself confers a special benefit on the interest harmed or when the killing occurs in the heat of passion upon adequate provocation.
Miranda Morales finds her spouse in an act of infidelity and immediately stabs the spouse with a kitchen knife. The factfinder draws a permissive inference of intent to kill from use of the deadly weapon. The mitigation doctrine operates to reduce the offense from murder to voluntary manslaughter because the killing occurred upon adequate provocation.
Mustafa Mahmoud, serving as lead prosecutor, learns of exculpatory witness statements that reduce the defendant's culpability. He withholds the statements until after conviction. The mitigation doctrine requires timely disclosure of the information to the defense so that the sentencing court can consider the reduced offense level.
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Marco Marquez seeks a development permit to build a commercial complex. The city conditions approval on his conveyance of a public access easement across the property. The mitigation doctrine requires an essential nexus between the easement and the traffic impacts caused by the project before the condition can stand.
Malcolm McKinley negligently damages Megan Moore's warehouse but in the process installs a fire-suppression upgrade that increases the property's value. The mitigation doctrine permits the court to credit the value of that special benefit against the damages award to the extent equity allows.
Maria Morales, a law-firm partner, learns that an associate under her direct supervision has filed a misleading pleading. She knows of the conduct while its consequences remain avoidable. The mitigation doctrine imposes on her a duty to take reasonable remedial steps or face responsibility for the violation.
Matrix Technologies is hit with a large punitive damages verdict. On appeal the court examines whether the award is grossly excessive. The mitigation doctrine guides the inquiry by requiring consideration of the defendant's good-faith efforts to comply with the law before the verdict is upheld.
The provocation must be adequate to cause an ordinary person to lose self-control, the defendant must have actually been provoked, the defendant must not have had time to cool off, and the defendant must not have actually cooled off before acting.
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It requires the prosecutor to disclose all known information that tends to negate guilt or mitigate the offense in time for the defense to use it at trial or sentencing.
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The doctrine permits offset only when the defendant's tortious conduct itself conferred a special benefit on the very interest that was harmed and only to the extent equity permits.
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The government must demonstrate an essential nexus between the demanded property interest and a legitimate interest that would justify denying the permit outright.
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…the statutory requirements. Good motives and belief in truth do not negate an inference of malice, but are relevant only in mitigation of punitive damages if the jury chooses to accord them weight. Johnson Publishing Co. v. Davis, supra, 271 Ala., at 495, 124 So. 2d, at 458. The question before us is whether this rule of…