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    SmartBrief enables case brief popups that define Key Terms, Doctrines, Acts, Statutes, Amendments and Treatises used in this case.

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    Property Keyed to Sprankling

    View this case in different Casebooks
    Property Law Keyed to CribbetProperty Law Keyed to SingerProperty Keyed to SpranklingProperty Keyed to FrenchProperty Law Keyed to Kurtz

    Prah v. Maretti

    Citation:

    321 N.W.2d 182 (1982).
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    Facts

    Prah (the plaintiff) is the owner of a home that utilizes solar energy to power his heat and hot water supply. After the plaintiff had built his home, Maretti (the defendant) purchased a lot adjacent to the plaintiff’s home with the intention of building a home on it. The location in which the defendant planned to build his home on his lot would cause a shadow effect on the plaintiff’s solar collectors, reducing their efficiency and possibly damaging the system. When the plaintiff learned of the defendant’s plans, the plaintiff told the defendant about the potential harm to his solar-powered system and requested the defendant locate his home several additional feet from the boundary line. The defendant refused and began construction as originally planned. The plaintiff claims he is entitled to “unrestricted use of the sun and its solar power” and demands injunctive relief and damages.

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    Case Quiz

    Retake Attempts
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    Q.1 - Which description most precisely captures the majority’s doctrinal move in Prah v. Maretti?
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    Correct! The majority abandons a categorical “no right to light” stance and folds solar access into private nuisance via a reasonableness framework that weighs gravity of harm against utility of conduct. This aligns nuisance with evolving technological dependencies without creating a per se sunlight entitlement.
    Incorrect. This is wrong because the court did not confer an absolute natural-rights entitlement to sunlight.
    Incorrect. This is wrong because no implied negative easement was recognized or substituted for nuisance analysis.
    Incorrect. This is wrong because the decision does not impose strict liability; it predicates relief on reasonableness balancing.
    Q.2 - On the remedial/procedural axis, what is the most accurate reading of the court’s holding vis-à-vis summary judgment?
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    Incorrect. This is wrong because no permanent injunction was ordered.
    Incorrect. This is wrong because the court did not locate relief in a statutory easement.
    Incorrect. This is wrong because unreasonableness was not established as a matter of law.
    Correct! The court held that whether Maretti’s building unreasonably interfered with Prah’s solar use is a fact-intensive question unsuitable for summary judgment and must be resolved under nuisance balancing on remand. The opinion thus preserves adjudicative discretion rather than dictating an outcome or remedy.
    Q.3 - Which statement best distills Justice Callow’s dissent as an institutional critique?
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    Incorrect. This is wrong because the dissent did not reframe the dispute as exclusively a takings matter.
    Correct! Justice Callow’s dissent foregrounds separation-of-powers and reliance concerns, arguing that any solar-access entitlement should be legislatively specified to preserve predictability and avoid ad hoc judicial expansion of nuisance. The critique targets institutional role, not the desirability of solar policy per se.
    Incorrect. This is wrong because it does not claim categorical environmental primacy over property expectations.
    Incorrect. This is wrong because it does not propose substituting Coasean bargaining outcomes as controlling legal rules.

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    Topic Resources

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    Todd Berman

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    CaseCast™ "What you need to know"

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    Topic Video

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    Topic Outline

    Nuisance

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    Nuisance

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