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CoStar Expands Mass Copyright Case Against Zillow

By Isaac Monterose ( March 27, 2026, 6:13 PM EDT) -- Commercial real estate information company CoStar Group Inc. updated its mass copyright infringement suit against property listing company Zillow Group Inc. on Friday, now alleging in Washington federal court that Zillow stole more than 53,000 of CoStar's copyrighted property photos....

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