CoStar, Quinn Emanuel Spar Over Litigation Representation

By Lauren Berg · January 13, 2026, 11:41 PM EST

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,...

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Documents

Case Information

Case Title

CoStar Group, Inc. et al v. Commercial Real Estate Exchange Inc.

Case Number

2:20-cv-08819

Court

California Central

Nature of Suit

Copyright

Date Filed

September 25, 2020


Case Title

Kutagula v. Matterport, Inc. et al

Case Number

5:25-cv-05383

Court

California Northern

Nature of Suit

Civil Rights: Jobs

Date Filed

June 26, 2025


Case Title

CoStar Group, Inc., et al., Petitioners v. Commercial Real Estate Exchange, Inc.

Case Number

25-667

Court

Supreme Court

Nature of Suit

3820 Copyright

Date Filed

December 08, 2025