December 09, 2025
CoStar is asking the U.S. Supreme Court to review a Ninth Circuit ruling reviving antitrust counterclaims from a rival commercial real estate platform, saying the appeals court accepted a novel theory of what constitutes exclusive dealing.
October 31, 2025
A California federal court refused a bid from Commercial Real Estate Exchange Inc. to pause CoStar Group Inc.'s "mass" infringement claims so they can be tried alongside CREXi's recently revived antitrust counterclaims.
August 27, 2025
CoStar Group Inc. told a California federal court that Commercial Real Estate Exchange Inc. is continuing to use its copyrighted images and urged the court not to put its infringement claims on hold for the rival listing platform's "makeweight" antitrust counterclaims.
July 28, 2025
Commercial Real Estate Exchange Inc. is asking to put CoStar's copyright infringement claims against it on hold so they can be tried alongside its recently revived antitrust claims against the property listing rival.
June 26, 2025
A California federal judge has rejected cross partial summary judgment bids made by property listing rivals CoStar Group Inc. and Commercial Real Estate Exchange Inc. in CoStar's copyright infringement suit against CREXi, which is accused of stealing nearly 50,000 CoStar commercial real estate images.
June 23, 2025
A Ninth Circuit panel on Monday revived counterclaims accusing CoStar of monopolizing commercial real estate information markets in the company's case accusing a rival of engaging in "industrial-scale" copyright infringement.
August 28, 2023
Commercial Real Estate Exchange Inc. urged a California federal court to reject real estate listings rival CoStar Group Inc.'s "pretextual" discovery motion for its intellectual property theft suit against CREXi.
July 21, 2023
A California federal judge has provided an avenue for a real estate company that was accused of widespread trademark infringement by CoStar to appeal a previous order dismissing its antitrust counterclaims.
June 02, 2023
A California federal judge on Friday resuscitated two of CoStar's copyright allegations against a rival real estate company that the court previously axed with prejudice and allowed back in an amended suit, ruling that the new pleadings are enough to state a claim.
May 15, 2023
Real estate information company Commercial Real Estate Exchange Inc. claimed that its rival CoStar Group Inc. wasn't providing details to support its misappropriation claim for CoStar's copyright infringement suit, claiming that CoStar is dodging discovery for that claim and other aspects of the suit.