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Mealeys

MLex

August 20, 2026

Oster v. CoStar Group, Inc. et al

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Case Number:

3:26-cv-00842

Court:

Virginia Eastern

Nature of Suit:

Anti-Trust

Multi Party Litigation:

Class Action

Judge:

David J. Novak

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Companies

Sectors & Industries:

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Reflects complaints, answers, motions, orders and trial notes entered from Jan. 1, 2011.
Additional or older documents may be available in Pacer.

Coverage

  1. August 21, 2026

    CoStar Hit With New Antitrust Class Action In Va.

    Real estate listing giant CoStar is facing yet another class action from a subscriber who claims that the company has maintained monopolistic dominance over the commercial real estate listing market through a wide-ranging exclusionary scheme.

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