CoStar, Brokers Accused Of Sharing Data To Fix Rents

By Isaac Monterose · June 17, 2026, 2:06 PM EDT

A proposed class of commercial tenants has alleged CoStar Group Inc., Colliers International Group Inc., Colliers International USA LLC, Cushman & Wakefield and others ran a rent-fixing scheme that involved real...

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Case Information

Case Title

FitFactariDC, LLC v. CoStar Group, Inc. et al

Case Number

1:26-cv-06997

Court

Illinois Northern

Nature of Suit

410 Anti-Trust

Date Filed

June 12, 2026