The Guardian Business EN

Katie Perry v Katy Perry: Sydney fashion designer wins 16-year trademark dispute with US pop star

Australia’s high court finds singer’s label and merchandise distributor had been ‘assiduous infringers’ of trademarkFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastThe Sydney fashion designer behind the Katie Perry label has won her epic trademark dispute with US pop star Katy Perry, after a legal battle lasting almost 17 years.In a majority decision on Wednesday, Australia’s high court found the designer’s label did not breach trademark laws and was not likely to cause confusion, regardless of the singer’s reputation when it was registered. Continue reading...

Mar 11, 2026 &03221111202631; 04:22 UTC www.theguardian.com Trending 2/5

Read original on www.theguardian.com ↗

→

Neutral impact

Sentiment score: +5/100

Low impact Long-term (months)

WHAT THIS MEANS

Sydney fashion designer Katie Perry wins 16-year trademark dispute against US pop star Katy Perry in Australia's high court, which ruled the designer's label did not breach trademark laws and was unlikely to cause confusion despite the singer's fame. This legal victory has minimal direct financial impact on major markets but reinforces intellectual property protections for smaller businesses against celebrity brand overreach.

AI CONFIDENCE

75% High

SENTIMENT GAUGE

NEWS POWER SCORE

AFFECTED ASSETS

⇅

IT→.MI

IT→.MIStock

High volatility expected

Minimal direct impact on Italian fashion/luxury sector; legal precedent may affect trademark-dependent companies

⇅

S&P 500

^GSPCIndex

High volatility expected

No material impact on US equities; Katy Perry's brand value unaffected by Australian court ruling

PRICE HISTORY

Loading chart...

⚡ SUGGESTED ACTION

This ruling has negligible market impact for equity traders. Monitor for broader IP litigation trends affecting luxury/fashion stocks, but no immediate trading action warranted based on this Australian court decision.

KEY SIGNALS

Trademark dispute resolution favoring smaller designerAustralian high court reinforces IP protection standardsCelebrity brand protection limitations establishedLong-term legal certainty for fashion label

SECTORS INVOLVED

Fashion & ApparelIntellectual PropertyEntertainment & MediaLegal Services

Analysis generated on Mar 11, 2026 at 06:28 UTC

Disclaimer: This analysis is generated by artificial intelligence for informational purposes only and does not constitute financial advice, investment recommendation, or solicitation. Original reporting by The Guardian Business. Always conduct your own research and consult a qualified financial advisor before making investment decisions.

Katie Perry v Katy Perry: Sydney fashion designer wins 16-year trademark dispute with US pop star

RELATED INTELLIGENCE