CoStar Seeks Pause In Antitrust Suit, Amid Transfer Fight

By Aneeta Mathur-Ashton · May 26, 2026, 7:52 PM EDT

CoStar Group is asking a Virginia federal court to pause an antitrust suit alleging it stifles competition and prevents cross-listings while it seeks to move a similar case, filed by Malm...

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Documents

Case Information

Case Title

Shapiro Hospitalities LLC v. CoStar Group, Inc. et al

Case Number

1:26-cv-01027

Court

Virginia Eastern

Nature of Suit

Anti-Trust

Date Filed

April 14, 2026


Case Title

Malm, Inc. v. CoStar Group, Inc., et al

Case Number

2:26-cv-04052

Court

California Central

Nature of Suit

Anti-Trust

Date Filed

April 15, 2026

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