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

California Central District Court
Judge:Consuelo B Marshall
Referred: Alka Sagar
Case #: 2:26-cv-04052
Nature of Suit410 Other Statutes - Antitrust
Cause28:1337 Sherman-Clayton Act
Case Filed:Apr 15, 2026
Last checked: Saturday May 30, 2026 1:08 AM PDT
Defendant
CoStar Group, Inc.
Represented By
Sarah A. Tomkowiak
Latham And Watkins LLP
contact info
Elyse Miriam Greenwald
Latham And Watkins LLP
contact info
Defendant
Costar Realty Information, Inc.
Represented By
Sarah A. Tomkowiak
Latham And Watkins LLP
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Elyse Miriam Greenwald
Latham And Watkins LLP
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Plaintiff
Malm, Inc.
Represented By
Halley Wilder Josephs
Susman Godfrey LLP
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Jeremy Gradwohl
Berger Montague, PC
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William C Carmody
Susman Godfrey LLP
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Sarah R Lafreniere
Edelson PC
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Shawn J Rabin
Susman Godfrey LLP
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Brandon Michael Baum-Zepeda
Edelson PC
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Julia McGrath
Berger Montague PC
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Andrew C Curley
Berger Montague PC
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Zachary D Caplan
Berger Montague PC
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Henry J. Walter
Susman Godfrey LLP
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Natasha J. Fernandez-Silber
Edelson PC
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Docket last updated: 07/28/2026 11:59 PM PDT
Wednesday, July 15, 2026
60 60 notice Notice of Appearance or Withdrawal of Counsel (G-123) Wed 07/15 8:11 AM
Notice of Appearance or Withdrawal of Counsel: for attorney Henry J. Walter counsel for Plaintiff Malm, Inc.. Henry J. Walter is no longer counsel of record for the aforementioned party in this case for the reason indicated in the G-123 Notice. Filed by Plaintiff MALM, INC.. (Walter, Henry)
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