| Represented | Sidley Austin LLP |
| Hired | American Electric Power Company, Inc. |
| Goods | represented |
| Notes | American Electric Power Co. v. Connecticut. Sidney Austin LLP's Peter Keisler successfully represented four utility companies in this case, in which the Court unanimously reversed the court of appeals and held that states and private parties could not seek judicially-imposed reductions in greenhouse gas emissions against electric utilities under a federal common-law nuisance theory. |