The ghost of Michael Jackson performed live over the weekend in Las Vegas. And Alki David, the Hollywood heir to a Greek shipping and bottling fortune, isn’t happy about it.

David, who first appeared on our radar for picking a fight with Barry Diller and the online TV streaming startup Aereo Inc., seems drawn to messy litigation related to emerging technologies. Now David is in the middle of an IP war over holographic technology that allowed Jackson to return from the grave at the Billboard Music Awards on Sunday.