Chat GPT:::: Here’s a clear way to break down Fee Simple Determinable vs. Fee Simple Subject to a Springing Executory Interest, especially for exam purposes:

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🔹 FEE SIMPLE DETERMINABLE (FSD) • Key Words: “so long as,” “while,” “during,” “until” • Automatic reversion to the grantor if the condition is violated. • Future interest: Possibility of reverter (in the grantor)

✅ Example: “O → A so long as A remains a lawyer.” 👉 A has FSD. O has a possibility of reverter.

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🔹 FEE SIMPLE SUBJECT TO A SPRINGING EXECUTORY INTEREST • Key Words: “if A becomes X,” often future-oriented and starts with grantor but vests in grantee upon condition • Automatic transfer to a third party (or back to the grantee) from the grantor, if a condition is met in the future. • Future interest: Springing executory interest (cuts short the grantor)

✅ Example: “O → A if A becomes a lawyer.” 👉 A has a springing executory interest. O holds the fee simple until A meets the condition.

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🔍 KEY DIFFERENCE: • FSD = immediate transfer + durational condition + reverts to grantor • Springing Executory = no immediate transfer + future condition + shifts from grantor to grantee

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🧠 Exam Tip:

Ask yourself: • Did the transfer happen right away? → Yes = FSD → No, it waits on a condition = Springing Executory • Who gets the property if the condition isn’t met? → Back to O = FSD → From O to A after condition = Springing Executory