Black, et al v. Occidental Petroleum, et al

  1. June 08, 2023

    10th Circ. Won't Decertify Occidental Landowner Class

    Wyoming landowners can continue a class action against Occidental Petroleum Corp. that accuses the oil company of violating antitrust laws, after a panel of Tenth Circuit judges refused to decertify the class this week.

  2. December 05, 2022

    Occidental Insists Landowner Class Must Be Decertified

    Occidental Petroleum Corp. on Friday asked the Tenth Circuit to decertify a class of Wyoming landowners in an antitrust lawsuit, arguing that the land at issue is so large and varied that the antitrust allegations are too individualized to be heard on a class basis.

  3. November 08, 2022

    Wyo. Landowners Blast Occidental Bid To Decertify Class

    A group of Wyoming landowners have asked the Tenth Circuit to uphold a certification of their class in an antitrust lawsuit accusing Occidental Petroleum Corp. of using its market power to keep competitors out of eastern Laramie County and harming their own ability to lease their oil and gas rights.