| Date | Proceedings and Orders |
|
| 3/6/2006 | | Petition for a writ of certiorari filed. (Response due April 6, 2006) |
| 4/5/2006 | | Brief amicus curiae of Pharmaceutical Research and Manufacturers of America filed. |
| 4/5/2006 | | Waiver of right of respondents William Twombly, et al. to respond filed. |
| 4/6/2006 | | Brief amicus curiae of American Petroleum Institute filed. |
| 4/6/2006 | | Brief amici curiae of Chamber of Commerce of the United States, et al. filed. |
| 4/6/2006 | | Brief amici curiae of Mastercard International Inc. and Visa Inc. filed. |
| 4/6/2006 | | Brief amicus curiae of Washington Legal Foundation filed. |
| 4/6/2006 | | Brief amici curiae of Economists William Baumol, et al. filed. |
| 4/6/2006 | | Brief amici curiae of E.I. du Pont de Nemours and Company, and The National Association of Manufacturers filed. |
| 4/6/2006 | | Brief amicus curiae of Louisiana-Pacific Corp. filed. |
| 4/12/2006 | | DISTRIBUTED for Conference of April 28, 2006. |
| 4/24/2006 | | Response Requested . (Due May 24, 2006) |
| 5/24/2006 | | Brief of respondents William Twombly, et al. in opposition filed. |
| 5/30/2006 | | DISTRIBUTED for Conference of June 15, 2006. |
| 5/30/2006 | | Reply of petitioners Bell Atlantic Corporation, et al. filed. (Distributed) |
| 6/19/2006 | | DISTRIBUTED for Conference of June 22, 2006. |
| 6/26/2006 | | Petition GRANTED. |
| 7/10/2006 | | Extensions of time to file the briefs on the merits. The joint appendix and petitioners' brief on the merits is due on or before August 25, 2006. The respondents' brief on the merits is due on or before October 13, 2006. |
| 8/18/2006 | | Consent to the filing of amicus briefs in support of either party received from counsel for the petitioners. |
| 8/18/2006 | | Consent to the filing of amicus briefs in suport of either party received from counsel for the respondents. |
| 8/25/2006 | | Joint appendix filed. |
| 8/25/2006 | | Brief of petitioners Bell Atlantic Corporation, et al. filed. |
| 8/25/2006 | | Brief amici curiae of Mastercard International Inc. and Visa Inc. filed. |
| 8/25/2006 | | Brief amici curiae of Chamber of Commerce of the United States, et al. filed. |
| 8/25/2006 | | Brief amici curiae of Legal Scholars filed. |
| 8/25/2006 | | Brief amicus curiae of American Petroleum Institute filed. |
| 8/25/2006 | | Brief amicus curiae of United States filed. |
| 8/25/2006 | | Brief amici curiae of Commonwealth of Virginia and 15 Other States filed. |
| 8/25/2006 | | Brief amicus curiae of Americn Bar Association in support of neither party filed. |
| 8/25/2006 | | Brief amici curiae of Economists William Baumol, et al. filed. |
| 9/29/2006 | | SET FOR ARGUMENT ON Monday, November 27, 2006. |
| 10/4/2006 | | CIRCULATED. |
| 10/11/2006 | | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed. |
| 10/13/2006 | | Brief of respondents William Twombly, et al. filed. (Distributed) |
| 10/13/2006 | | Brief amici curiae of Legal Scholars Debra Lyn Bassett, et al. filed. (Distributed) |
| 10/13/2006 | | Brief amicus curiae of American Antitrust Institute filed. (Distributed) |
| 10/27/2006 | | Motion for divided argument filed by respondents William Twombly, et al. |
| 11/6/2006 | | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED. |
| 11/6/2006 | | Motion for divided argument filed by respondent DENIED. |
| 11/8/2006 | | Record received from U.S.C.A. 2nd Circuit. (1 envelope) |
| 11/9/2006 | | Reply of petitioners Bell Atlantic Corporation, et al. filed. (Distributed) |
| 11/27/2006 | | Argued. For petitioners: Michael Kellogg, Washington, D.C.; and Thomas O. Barnett, Assistant Attorney General, Department of Justice, Washngton, D.C. (For the United States, as amicus curiae.) For respondents: J. Douglas Richards, New York, N.Y. |
| 11/29/2006 | | Record received from U.S.D.C. for the Southern District of New York. (1 box) |
| 5/21/2007 | | Judgment REVERSED and case REMANDED. Souter, J., delivered the opinion of the Court, in which Roberts, C. J., and Scalia, Kennedy, Thomas, Breyer, and Alito, JJ., joined. Stevens, J., filed a dissenting opinion, in which Ginsburg, J., joined, except as to Part IV. |
| 6/22/2007 | | JUDGMENT ISSUED. |
| 6/29/2007 | | Record returned to U.S.C.A. for 2nd Circuit. |
| 6/29/2007 | | Record returned to U.S.D.C. for Southern District of New York. |
