Australian designer Katie Taylor, who sells her garments under her birth name Katie Perry, sued the "Hot N Cold" singer for ...

Pop star Katy Perry successfully overturned a trademark decision barring her from using her own name to sell merchandise in ...

The judges determined that Perry had used her name as a trademark for five years before Taylor began her clothing business.

Katy Perry has won her yearslong legal battle with an Australian designer. The verdict was delivered in an Australian court ...

Katy Perry has successfully appealed against a trademark decision over her name, against Australian fashion designer Katie ...

Singer Katy Perry has successfully appealed against a trademark decision over her name, after being sued by an Australian ...

Yeah, I'm thankful. Scratch that baby I'm grateful.” Yes, you guessed it. “Smile” is the latest Katy Perry song to be facing ...

John Mayer and Katy Perry, who dated on and off between 2012 and 2015, both attended Sabrina Carpenter's Short n' Sweet Tour ...

Katy Perry wins trademark battle against Australian designer Katie Perry, who now faces the loss of her trademark rights ...

Katy Perry has won a significant legal battle in a trademark dispute against Australian fashion designer Katie Taylor. The ...

American Idol's Luke Bryan exclusively told E! News that he acts as "Uncle Luke" to Katy Perry and Orlando Bloom's 3-year-old ...

During the show, Carpenter “arrested” Marcello Hernández’s viral Saturday Night Live persona Domingo for being too hot.