Katy Perry wins appeal in trademark legal case against Sydney fashion label Katie Perry

Australian designer says she is devastated and heartbroken by US singer’s successful appeal, adding ‘trademark isn’t worth the paper it’s printed on’

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International popstar Katy Perry has had a court win in her long-running trademark battle with an Australian fashion designer over her Katie Perry trademark loungewear.

Sydney designer Katie Jane Taylor, who sells clothes under her birth name Katie Perry , sued the singer in October 2019 because the performer was selling her own merchandise.

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