109 Minn. 456, 124 N.W. 221 (Minn. 1910)
Vincent v. Lake Erie Transportation Co.
Is a shipowner who intentionally keeps its vessel moored to another's dock during a violent storm, out of private necessity to save the vessel, liable for the damage caused to the dock despite exercising due care and asserting an act of God defense?
Private necessity confers a qualified privilege to enter or remain on another's property to avert serious harm to one's person or property. The actor is not a wrongdoer for the privileged entry or continued presence, but must compensate the property owner for actual damages caused in exercising the privilege. The "act of God" or inevitable accident defense negates liability only when the injury is due exclusively to natural forces, without human intervention, and despite the exercise of ordinary care.
Yes. Although necessity privileged the Reynolds to remain at the dock, the defendant is liable for the actual damage caused to the dock. The act of God defense is inapplicable because the harm was not caused solely by natural forces; it resulted from the defendant's intentional decision to hold the ship to the dock to save it from the storm.
Vincent is the leading American case articulating private necessity as a qualified privilege that negates the wrongfulness of entry yet imposes liability for resulting harm. It underscores that negligence is not required for liability when one deliberately uses another's property to avoid greater loss; the liability is strict as to the damages caused while exercising the privilege. The case also limits the "act of God" defense to scenarios where natural forces alone cause the injury. For students, Vincent is essential for understanding defenses to intentional torts, loss-allocation principles, the relationship between property and tort law, and law-and-economics perspectives on liability rules versus property rules.