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CoStar–CREXi antitrust fight over broker platforms revived by US court

By Chris May ( June 23, 2025, 22:04 GMT | Insight) -- Commercial real estate platform CoStar is back on the hook for US antitrust claims after a California federal appeals court ruled today that a rival platform has plausibly alleged CoStar is an industry-leading monopolist unfairly protecting its turf with exclusive licensing deals and technological barriers.Commercial real estate platform CoStar is back on the hook for US antitrust claims after the US Court of Appeals for the Ninth Circuit court ruled today that a rival platform has plausibly alleged CoStar is an industry-leading monopolist unfairly protecting its turf with exclusive licensing deals and technological barriers....

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