Telegraph.co.uk | Jay-Z and Beyonce lose bid to trademark 'Blue Ivy' CNN Couple filed a petition to trademark their daughter's name shortly after her January birth; Wedding planner who started Blue Ivy in 2009 filed her own petition to trademark the name; U.S. Patent and Trademark Office ruled Jay-Z and Beyonce can't trademark ... Battle of the Blue Ivys: Jay-Z and Beyonc? Lose Legal Battle Over Daughter?s ... Blue Ivy Denied: Beyoncé and Jay-Z Can't Trademark Daughter's Name, Court ... Jay-Z And Beyonce Lose Copyright Battle Over Daughter's Name, Blue Ivy |

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