I love stories like this. From the Smoking Gun:
"Fearful of a dilution of his powerful brand, Donald Trump is fighting his ex-wife Ivana's bid to trademark her name for use in the real estate business...Donald argues that issuance of the trademark sought by his ex would be "confusingly similar" to his own valuable handle."
I know I would totally confuse Donald Trump and Ivana Trump. I mean, how could you not? They're almost the same person, am I right? Who's with me?
Here they are back when they were just two crazy kids in love: