Beyonce and Jay-Z continue attempt to trademark baby's name

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Beyonce' and Jay-Z are a step closer to trademarking their baby's name.

The Washington Post reports the U.S. Patent Office has posted notice that there is no opposition to the couple's attempt to trademark "Blue Ivy Carter." Now Beyonce' and Jay-Z must prove within the next three years that they are using the trademark.

Their lawyer did not return requests for comment.

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