Also known as: in being · actually existing
Written by attorneys · grounded in primary & secondary sources — see below
A state of actual existence. An interest or person in esse exists in fact at the relevant time rather than as a mere possibility.
Select any source to read its text and confirm it supports the definition.
Ira Irving signed an engagement letter with Ironwood Capital to design a modernization plan. In reliance Ira leased office space that was already in esse and hired analysts before the agency terminated the deal. Ira sought reimbursement for those out-of-pocket costs under the reliance measure.
Elizabeth conveyed land to a trust measured by the lives of shelter clients recorded on the deed date. Every client listed was in esse when the instrument took effect. The court therefore treated those lives as valid measuring lives under the rule against perpetuities.
A state college hired a professor under a one-year contract that contained no renewal promise. The professor claimed a property interest in continued employment. Because no such interest was in esse at the time of termination, the due-process claim failed.
A magazine published excerpts from a forthcoming memoir that was already in esse. The copyright owner sued for infringement. The fair-use defense turned on whether the taking occurred while the work remained unpublished.
A hospital sought to discontinue life support for a woman who remained in esse after a car accident. Her parents asserted a liberty interest in refusing unwanted treatment. The Court examined whether that interest was constitutionally protected for a person still alive.
Congress extended copyright terms for works whose authors were already in esse at enactment. Authors and publishers challenged the extension as exceeding constitutional limits. The Court upheld the statute because the works existed when the new term was granted.
It means a person or interest that actually exists at the time the measuring period begins. The rule against perpetuities requires measuring lives to be in esse when the instrument takes effect.
Supporting sources
In esse refers to something that exists in fact. In posse refers only to a possibility that has not yet materialized.
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Yes. The term includes a child en ventre sa mere for purposes of measuring lives under the rule against perpetuities.
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A child is in esse at the testator's death if conceived before death and born alive thereafter. Such a child may take under the will as if already born.
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…This Court reversed the judgment of the state Supreme Court upon the ground that petitioners had been denied due process of law in being held estopped to challenge the validity of the agreement on the theory, accepted by the state court, that the earlier litigation, in which petitioners did not participate, was in the nature…