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Katy Perry loses trademark battle as top court rules in favor of Australian designer (update*)

By Saloni Sinha ( March 11, 2026, 03:14 GMT | Insight) -- Australian fashion designer Katie Perry’s trademark has been upheld by the country’s top court, which ruled it was validly registered and shouldn’t have been cancelled, overturning a lower court’s decision in singer Katy Perry’s 17-year-long legal battle. A High Court of Australia’s judgment summary, published on Wednesday, said that by majority, the judges found that the appeals panel of the Federal Court erred in concluding that grounds existed to cancel the clothing retailer’s trademark, which was applied for in 2008.Australian fashion designer Katie Perry’s trademark has been upheld by the country’s top court, which ruled it was validly registered and shouldn’t have been cancelled, overturning a lower court’s decision in singer Katy Perry’s 17-year-long legal battle....

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