Taylor Swift, Katy Perry and Eminem: What Their Legal Battles Reveal About Music IP

In the world of IP (intellectual property), we have seen many top-tier trademark disputes inside the music industry lately, including Taylor Swift, Eminem and Katy Perry. These recent legal battles have made global headlines, but beyond the celebrity intrigue lies a more important message for artists and brands alike. Fame alone does not guarantee ownership, and creative decisions must also be treated as legal ones.

Today’s biggest music names are not only selling records and filling stadiums; they are monetising their identities through merchandise, licensing deals, partnerships and direct-to-consumer retail. As that evolution continues, trademark disputes are becoming an unavoidable part of the music business – and some musicians are learning this the hard way.

Let’s dive into these cases to see how these battles could have been avoided.

Katy Perry v Katie Perry

The Katy Perry and Katie Perry dispute is a prime example that fame does not guarantee a legal win.

Australian designer Katie Taylor launched a fashion label Katie Perry in 2007 and applied to register it as a mark for clothing in late 2008, by which time she knew of the US singer Katy Perry. The singer’s company later sought cancellation of Taylor’s registration, alleging the singer’s reputation in Australia pre-dated and extended into clothing.

After 17 years of litigation and despite Katy Perry’s global recognition, the Australian High Court ruled in favour of Australian fashion designer Katie Taylor in March 2026, whose Katie Perry label pre-dated the singer’s trademark claims in Australia.

The American singer-songwriter tried to argue that Taylor’s label would confuse customers shopping for her line of Katy Perry-branded “hoodies, T-shirts, tank tops and booty shorts”. But the Australian High Court found the pop star’s team had been unable to prove any real consumer had mixed up the two brands in more than a decade.

The High Court also described the ‘Katie Perry’ trademark as one that would be ‘seen rather than heard’, something that decreased the “materiality of the aural identity” with singer Katy Perry’s label.

The ruling reinforces a crucial principle of trademark law: if a business registers first, uses its trademark consistently and actively protects it, those rights can prevail – even against one of the most recognisable celebrities in the world.

Taylor Swift’s ‘Life of a Showgirl’ dispute

Taylor Swift’s current Life of a Showgirl dispute offers another cautionary tale.

Taylor Swift has registered many album titles over the years, most recently adding The Life of a Showgirl and its acronym TLOAS to the list, with trademark applications covering everything from music recordings to the full range of merchandise. These trademarks help protect the look, feel, and story behind each album.

Las Vegas performer Maren Wade said in a trademark infringement lawsuit filed in a Californian Federal Court in late March that the glittery branding of Swift’s 2025 album was too close to the aesthetic of her own Confessions of a Showgirl, which was the name of a column she wrote on backstage life in the Las Vegas Weekly starting in 2014 and turned into a live show that she took on a national tour.

What makes this particularly significant is that the US Patent and Trademark Office had reportedly already flagged concerns about the similarity before release. When a trademark office issues that kind of warning, it should never be treated lightly. A refusal notice is an early legal warning that proceeding may invite costly litigation. One of the most avoidable mistakes any artist or brand can make is forging ahead after being told there is a likely conflict.

The lawsuit seeks an injunction permanently barring Swift and her companies from using the Life of a Showgirl name and imagery, and monetary damages to be determined at trial, including profits attributable to the use of the brand.

Slim Shady v Swim Shady

Eminem’s iconic lyric, “Will the real Slim Shady please stand up?”, mocked the copycats. Now, the rapper is in his own legal battle against an Aussie beach brand called Swim Shady.

A Sydney couple selling beach umbrellas under the Swim Shady brand is currently going head-to-head in an international legal battle with US rapper Eminem, who claims the brand name closely resembles the term Slim Shady. Last year, the brand filed a trademark in the US for the term Swim Shady, which was granted. Shortly afterwards, Eminem’s team filed a petition to cancel the trademark.

Eminem objected to the Swim Shady trademark on several grounds, including one relating to consumer law: that the umbrella brand could mislead or deceive customers into thinking they are buying a product associated with the rapper. He also accused the Sydney-based brand of creating a ‘false association’ with the rapper. Eminem continues to sell official Slim Shady merchandise – one of several income streams that has built his net worth to a reported US$250 million.

However, the dispute demonstrates another side of trademark law that many artists overlook: registration alone is not enough. Swim Shady has sought to challenge some of Eminem’s existing Australian trademarks on the basis of alleged non-use, arguing that certain ‘Shady’ marks have not been actively used in commerce.

This is a lesson many artists fail to appreciate. Trademark rights must be maintained through active use. If you register a mark in a territory but do not genuinely use it there, you may ultimately lose the protection you thought you had secured.

Swim Shady contends the two parties are in significantly different industries, and that a beach and lifestyle wear retail brand in Australia is unlikely to be confused with the alter ego of a US rapper. Swim Shady has also filed non-use applications against Eminem’s Shady and Shady Limited trademarks in Australia, arguing they have not been consistently used.

The April 2026 hearing before the Australian Registrar of Trade Marks has now concluded, but a formal decision is still expected shortly. While this is not yet a final ruling, the matter already reinforces an important point that your artist name, alter ego, or creative persona can be a commercial asset that needs active legal protection, not just cultural recognition.

Six tips for musicians to strengthen their IP assets

Search before you launch

Before announcing an album, tour, merch line or side venture, artists should conduct a thorough trademark search. That means looking beyond exact matches and checking for names that are structurally or conceptually similar. In this case, Confessions of a Showgirl and The Life of a Showgirl may use different wording, but create a highly similar commercial impression.

Treat legal warnings seriously

The US Patent and Trademark Office reportedly flagged Swift’s proposed trademark in November 2025 due to likely confusion with Wade’s existing mark. When regulators raise concerns, artists should stop, reassess and seek advice immediately rather than pushing ahead regardless.

The bigger your platform, the bigger your risk

Major artists must be particularly careful of ‘reverse confusion’, where their fame and reach can overwhelm a smaller creator’s brand. In cases like this, fans may assume the original rights holder is copying the larger artist, not the other way around.

Make IP a first step, not final

Trademark checks should happen during brainstorming and concept development, not after artwork is finalised, merch is printed and marketing campaigns are underway.

Bring in specialist IP lawyers early

Trademark law is nuanced, and not every entertainment lawyer will spot a potential issue. A dedicated IP lawyer can identify conflicts before they escalate into public disputes.

Protect your brand like a business

For artists building long-term empires beyond music, trademark monitoring is critical. As musicians expand into fashion, beauty, publishing and lifestyle brands, ongoing oversight helps prevent costly conflicts before they happen.

A sound check on IP

Taken together, these cases illustrate a broader reality that artistic identity is now a legal and commercial asset, and it must be managed accordingly.

For musicians, that means conducting trademark searches before announcing album titles, tours or merchandise. It means engaging specialist intellectual property lawyers early, rather than after a campaign is already underway. And it means understanding that every creative decision involving branding carries legal consequences.

For brands entering adjacent spaces, the lesson is equally clear. A clever pun or culturally relevant reference may feel harmless creatively, but if it trades too closely on an established persona or protected mark, legal action is often inevitable.

The entertainment industry is entering an era where intellectual property strategy is no longer optional. As artists continue building business empires around their names and personas, their brands must be protected and managed with the same care as any major corporate asset.

Because in today’s music industry, the name above the stage is often just as valuable as the work performed on it. Artist brands are corporate assets, and they need to be managed like one.

About Aparna Watal, Partner, Halfords IP

Aparna Watal is a leading trade marks expert with extensive experience advising clients across Australia and New Zealand. She leads the trade marks and domain names practice at Halfords IP, a firm recently recognized by Managing IP as the Best Trademark Firm in Australia. Aparna has extensive experience in trade mark prosecution, enforcement, oppositions, and disputes, as well as domain name recovery and brand protection strategies. She also advises on copyright issues, particularly where they intersect with trademarks and branding.

Aparna is known for her pragmatic and commercially focused approach, ensuring that clients - from startups to multinational corporations - can effectively protect, enforce, and commercialize their brand identities. She has managed trade mark portfolios, handled domain name disputes under the UDRP and auDRP, and advised on misleading and deceptive conduct in branding. Her expertise spans various industries, including automotive, manufacturing, technology, media, consumer goods, fashion, and pharmaceuticals.

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