Skift Take

CoStar Group faces a consumer class action lawsuit alleging it conspired with luxury hotel operators like Marriott and Hilton to boost room rates artificially.

Sean O'Neill

CoStar Group, the real-estate data giant, was hit last week with a consumer class action lawsuit alleging it enabled several hotel operators, such as Marriott and Hilton, to artificially boost their hotel rates.

The suit, brought by seven residents of California and Illinois, notes that CoStar's subsidiary STR shared data with five of its paying clients: Hilton, Hyatt, IHG, Loews, and Marriott.

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