BLACK v. OCCIDENTAL PETROLEUM CORP.

No. 22-8040.

69 F.4th 1161 (2023)

Dennis A. BLACK; Anita C. Deselms, as Trustee of the Anita C. Deselms Living Trust and for all similarly situated persons; Gross Wilkinson Ranch LLC; John G. Williams; Theresa M. Williams, Trustee for the John & Theresa Williams Trust dated July 18, 2019; Russell I. Williams, Jr., Trustee Russell I Williams Jr Revocable Trust U/A dated July 27, 1983; Rabou Resources, LLC, by and through its manager, a/k/a Ron Rabou; Jolene M. Simkins; Norma Jean Smith; Richard Bagby; Tracy Bagby; Phyllis A. Cooney, Trustee of the Phyllis A Cooney Trust U/A dated September 22, 1995; Justin W. Miller; Brandi J. Miller; Mina Bayne; Karen Bryant, Individually and as Trustee of the Karen Bryant Living Trust dated September 22, 2017; Karen Black; Phillip Brock Carl Williams, Trustee of the Williams Family Trust U/A dated July 21, 2014; Suzanne Lee Eklund, Trustee of the Suzanne Lee Eklund Revocable Trust UA April 25, 2011; John K. Marquardt, Trustee of the John K Marquardt Revocable Trust UA dated May 1, 2008; Gust of Wind, LLC, a Nebraska limited liability company; Party Vikings, LLC, a Colorado limited liability company; J & L Lerwick Limited Partnership; Julie Jayne Goyen; J. Michael Powers, Trustee of the J. Michael Powers Revocable Trust UA dated August 10, 1982; Benjamin D. Adkinson, a/k/a Benjamin Adkison, a/k/a Benjamin D. Adkison; Kelli J. Adkison, a/k/a Kelli Adkison; Val D. Eklund, a/k/a Val Eklund; Sharron R. Eklund, a/k/a Sharon Eklund; Karen Leslie Eklund, a/k/a Karen Bryant; John C. Eklund, Trustee of the John C. Eklund Revocable Trust UA April 25, 2011; John Gilbert Williams, Trustee of the John & Theresa Williams Trust dated July 18, 2019, a/k/a John G. Williams; Theresa M. Williams, Individually, Plaintiffs-Appellees, v. OCCIDENTAL PETROLEUM CORPORATION; Anadarko Petroleum Corporation; Anadarko E&P Onshore LLC; Anadarko Land Corp; Anadarko Oil & Gas 5 LLC, Defendants-Appellants.

United States Court of Appeals, Tenth Circuit.

FILED June 7, 2023.


Attorney(s) appearing for the Case

Lauren Moskowitz , Cravath, Swaine & Moore, New York, New York ( Katherine B. Forrest , Benjamin Gruenstein , Samantha Hall , Benjamin M. Wylly , Cravath, Swaine & Moore, LLC, New York, New York, and Darin B. Scheer , Timothy M. Stubson , Crowley Fleck PLLP, Casper, Wyoming, on the briefs), for Defendants-Appellants.

Samuel Issacharoff , New York, New York ( Robert Klonoff , Portland, Oregon; Robert P. Schuster , Bradley L. Booke , Adelaide P. Myers , Robert P. Schuster, P.C., Jackson, Wyoming; J.N. Murdock , Murdock Law Firm LLC, Casper, Wyoming; Cody L. Balzer , Balzer Law Firm, P.C., Loveland, Colorado; Thomas N. Long , Kris C. Koski , Aaron J. Lyttle , Kaylee A. Harmon , Long Reimer Winegar LLP, Cheyenne, Wyoming; and Laurence O. Masson , Law Office of Laurence O. Masson, Berkeley, California; with him on the brief), for Plaintiffs-Appellees.

Before McHUGH, EID, and CARSON, Circuit Judges.


This appeal is from the district court's certification of a class in an antitrust dispute between private landowners holding "many thousands of surface and mineral acres lying within Laramie County, Wyoming," ("Plaintiffs") and Anadarko Petroleum Corporation, a surface and mineral interest owner and operator in Laramie County...

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