Which estate allows for back interest to return to the original owner after its termination?

The estate that allows for back interest to return to the original owner after its termination is known as a reversion interest. This concept involves a situation where ownership of the property is transferred to another party for a specific period or under certain conditions, after which it automatically reverts back to the original owner or their heirs.

In a reversion interest, when the specified event or condition occurs—such as the expiration of a lease or the death of a life tenant—the property reverts to the grantor or their successors. This is a fundamental principle in property law, providing the original owner a future interest that guarantees they will regain ownership of the property without the necessity of a new deed or transfer process.

Understanding this mechanism is essential in real estate as it safeguards the rights of original property owners while allowing them to grant temporary interests to others. This contrasts with other types of interests, such as remainder interest and life estate, where the future interests are distributed differently and do not revert back automatically to the original owner under the same conditions.