( June 9, 2025, 8:07 AM EDT) -- CLARKSBURG, W.Va. — A hydraulic fracturing company filed a brief in West Virginia federal court arguing that the district court should strike the “All Leases” class in the fourth amended complaint in a mineral rights dispute because “there is no reliable and administratively feasible method to determine the putative class members” and contending that the plaintiffs’ proposed method for identifying the leases that would fall under its “All Leases” Class “would necessarily transform what is intended to be a relatively uncontroversial initial step in class action litigation into a substantial, rigorous legal analysis implicating the merits.”...