AMERICAN PETROLEUM INSTITUTE v. S.E.C.

Attorney(s) appearing for the Case

Eugene Scalia argued the cause for petitioners. With him on the briefs were Thomas M. Johnson, Jr. , Robin S. Conrad , Rachel Brand , Harry M. Ng , and Peter C. Tolsdorf .

William K. Shirey , Senior Litigation Counsel, Securities and Exchange Commission, argued the cause for respondent. With him on the brief were Michael A. Conley , Deputy General Counsel, and Theodore J. Weiman , Attorney. Mark Pennington , Assistant General Counsel, entered an appearance.

Jonathan G. Kaufman , Marco Simons , and Howard M. Crystal were on the brief for intervenor Oxfam America, Inc., in support of respondent.

Dennis M. Kelleher and Stephen W. Hall were on the brief for amicus curiae Better Markets, Inc. in support of respondent.

Lauren Carasik and Eric L. Lewis were on the brief for amici curiae United States Senators Benjamin Cardin, et al. in support of respondent.

Jeffrey W. Mikoni was on the brief for amici curiae Representatives Edward J. Markey, et al. in support of respondent.

Opinion for the Court filed by Circuit Judge TATEL.