How Might Corporations’ and Nonhuman Animals’ Personhood Compare Under the Fifth and Fourteenth Amendments?

The Fourteenth Amendment to the US Constitution prohibits states from depriving any person "equal protection of the laws," and the Constitution's Fifth Amendment has been interpreted as applying this prohibition to the federal government. This article considers whether constitutional equal protection should apply to some nonhuman animals in light of corporations having gained such protection and concludes that expanding equal protection personhood to nonhuman animals is improbable in the present legal landscape.