August 20, 2026
Property listing company Commercial Real Estate Exchange Inc. has moved to dismiss its own Ninth Circuit mandamus petition, which challenged a lower court's disqualification of CREXi's counsel, Quinn Emanuel Urquhart & Sullivan LLP, from a legal battle against rival CoStar.
August 10, 2026
A California federal court rejected a bid Monday from Commercial Real Estate Exchange Inc., or CREXi, for a stay in CoStar's copyright case while CREXi looks to undo the disqualification of its attorneys from Quinn Emanuel Urquhart & Sullivan LLP.
August 07, 2026
CoStar is urging a California federal court to reject a bid by Commercial Real Estate Exchange Inc., or CREXi, to pause a copyright suit while CREXi asks the Ninth Circuit to undo the disqualification of its Quinn Emanuel Urquhart & Sullivan LLP attorneys, arguing the stay request is "unsupported by law."
August 05, 2026
Commercial Real Estate Exchange Inc. doesn't want to replace Quinn Emanuel Urquhart & Sullivan LLP after a California federal judge disqualified the firm from defending a copyright infringement suit by CoStar, seeking Ninth Circuit intervention and a pause on the district court case.
July 14, 2026
A California federal judge has disqualified Quinn Emanuel Urquhart & Sullivan LLP and its attorney Alex Spiro from representing a commercial real estate platform in a copyright infringement suit brought by CoStar, agreeing that the firm's representation of CoStar in a different case should result in its removal from this one.
June 24, 2026
An attorney for CoStar on Wednesday urged a California federal judge to disqualify Quinn Emanuel from representing a rival commercial real estate platform in their intellectual property dispute, saying the firm's ethical wall cannot fix the conflict of interest problem over its representation of a CoStar subsidiary in separate litigation.
March 23, 2026
The U.S. Supreme Court refused on Monday to review a ruling that revived antitrust counterclaims lodged against the commercial real estate platform CoStar in its case accusing a rival platform of large-scale copyright infringement.
February 11, 2026
CoStar doubled down on its efforts to disqualify Quinn Emanuel Urquhart & Sullivan LLP counsel from representing rival CREXi amid copyright infringement litigation in California federal court, reiterating that it's not bound by a conflict waiver signed by a company CoStar later acquired.
February 04, 2026
Commercial real estate platform CREXi has urged a California federal judge to let it keep Quinn Emanuel Urquhart & Sullivan LLP as its counsel as it fights CoStar's accusations of copyright infringement, saying CoStar is only now raising conflict of interest concerns to gain a "tactical advantage."
January 13, 2026
CoStar urged a California federal judge Tuesday to disqualify Quinn Emanuel Urquhart & Sullivan LLP from helping a rival commercial real estate platform pursue antitrust counterclaims in CoStar's copyright infringement suit, while the law firm moved to drop its representation of CoStar in separate litigation.