Rule against perpetuities

Exactly.

You can't just start talking about, you know, the rule against perpetuities or adverse possession.

You have to stop and identify the exact nature of the legal interest at play.

So like asking what kind of estate it is.

Four, contingent remainder.

The person is either unknown, unborn, or unascertained, or there is an express condition precedent they must meet before they can take the land, like to A if he reaches age twenty-one.

twenty-one.And all of this complex future interest plumbing runs straight into the most terrifying, hated rule in all of law school, the Rule Against Perpetuities, or RAP.

I'll recite the cursed incantation.