Katy Perry: US pop star loses trademark battle against fashion

New South Wales, celebrities: US singer Katy Perry to appeal claims she infringed on a Sydney woman's trademark

Katy Perry Loses a Trademark Battle With Designer Called Katie Perry

Katy Perry v Katie Perry: Singer loses trademark battle

Katy Perry loses court battle against Katie Perry after trademark row, Celebrity News, Showbiz & TV

Katy Perry loses court battle against Katie Perry after trademark row, Celebrity News, Showbiz & TV

Katy Perry and fellow songwriters have new tune on plagiarism

US singer Katy Perry loses trademark fight with Australian fashion designer Katie Perry

Katy Perry: US pop star loses trademark battle against fashion designer with same name, Ents & Arts News

Katy Perry loses trademark fight over her name

Designer Katie Perry wins Australian trademark battle against Katy Perry

Katy Perry loses trademark fight with Australian fashion designer