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Katy Perry has won her yearslong legal battle with an Australian designer.
The verdict was delivered in an Australian court on Thursday, Nov. 21, the Sydney fashion designer by the same name confirmed to The Post.
The Grammy-nominated singer, 40, has been locked in a trademark feud with the style guru by the same name since 2009. However, the Down Under couturier was born Katie Perry. The “I Kissed a Girl” songbird’s legal name is Katheryn Elizabeth Hudson.
Australian Katie tells The Post, “I have lost everything, including my trademark. As you can imagine I’m devastated.”
The Post reached out to Katy’s rep for comment.
Katie said she was sent a cease-and-desist letter by the pop star and her representatives in an attempt to shut down her Australian clothing label, which she had been operating under her birth name since 2007.
“Last week was the end of one of the biggest battle of my business career, The “David and Goliath case” – legal action against the singer, Katy Perry, for infringing my Katie Perry trade mark in Australia – which I’ve held since 29th September 2008,” the Aussie Katie wrote in a blog post in 2022.
The “Roar” singer lost the battle last year after it was determined she had infringed on the dud maker’s trademark — but the diva didn’t back down.
Pop star Katy filed an appeal, sending them back to court again.
The designer previously said she had experienced “nightmares” and “insomnia” after allegedly being trolled by the pop star’s fans amid the legal war.
She also recalled one painful moment during the trial when she was forced to read emails between the singer and her manager where Perry called the designer a “dumb b–ch.”
Katy’s manager, Steven Jensen, brushed off the comments.
“Artists are emotional people. Emotions are what drive their talent,” said Jensen at the time. “That was an emotional response, not directed at Ms.Taylor personally.”
After the Australian Federal Court sided with Katie in 2023, the fashion designer called it “a win for small business.”
“Not only have I fought for myself, but I fought for small businesses in this country,” wrote the entrepreneur. “Many of them started by women, who can find themselves up against overseas entities who have much more financial power than we do.”
Katy is also famously locked in a legal battle with an 84-year-old veteran named Carl Westcott over the sale of his $15 million California mansion.
In 2020, Westcott inked a deal with the “Fireworks” singer’s business manager, Bernie Gudvi, agreeing to sell his home to the superstar during the height of the COVID-19 pandemic.
When Westcott tried to back out of the deal days later, blaming his mental health and alleging he agreed to the sale while recovering from surgery, they refused.
In turn, both parties launched their own lawsuits against each other, with Westcott’s mental capacity taking center stage.
Los Angeles County Superior Court Judge Joseph Lipner sided with Katy in November 2023, ruling that Westcott did not have substantial evidence to support his claim that he lacked the mental capacity to enter into a contract over the eight-bedroom, 11-bathroom estate.
However, the court battle continued as Katy claimed Westcott owns her millions in damages on the property — and the number keeps increasing.
The pop singer and Westcott’s team are due back in court in February 2025 for the second phase of the trial.