The US singer lost the case in 2023 and later won on appeal, but now judges have ruled against her.

Australian fashion designer Katie Perry has won her long-running trademark battle against pop star Katy Perry, but questions about whether the singer will be able to sell her clothing merchandise as ...

Australia’s high court finds singer’s label and merchandise distributor had been ‘assiduous infringers’ of trademark ...

The High Court of Australia has handed down its highly anticipated decision in Taylor v Killer Queen LLC [2026] HCA 5 in a ...

A court loss, then online fury: Katy Perry faces backlash after a trademark defeat and a controversial fan reply.

US pop star Katy Perry has lost a trademark case to an Australian fashion designer this week per the High Court.

The costume is priced at $129.99 (N25,965) and the T-shirt is priced at $25 (N4,995). Both are available from Perry's website. Katy Perry has announced the release of official Left Shark ...

Katy Perry loses 17-year trademark battle to Australian designer Katie Perry - Dispute focused on who had right to sell ...