Antitrust & Trade Reg.,
9th U.S. Circuit Court of Appeals
Jun. 24, 2025
9th Circuit revives CREXi antitrust claims against rival CoStar
The ruling breathes new life into the Los Angeles commercial real estate company's counterclaims under the Sherman and Cartwright Acts, even as a copyright infringement trial looms.
A 9th U.S. Circuit Court of Appeals panel on Monday revived counterclaims by Commercial Real Estate Exchange Inc., which alleges that a dominant rival violated state and federal antitrust laws by entering exclusive deals with brokers and erecting technological barriers that prevent them from working with competitors.
9th Circuit Judge Anthony D. Johnstone ruled that the Los Angeles company known as CREXi must prove its allegations, and that CoStar Group Inc. "may raise defen...
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