| Date | Proceedings and Orders (key to color coding) |
|---|
| Dec 22 2011 | Petition for a writ of certiorari filed. (Response due January 23, 2012) |
| Jan 4 2012 | Order extending time to file response to petition to and including February 21, 2012, for all respondents. |
| Jan 23 2012 | Brief amici curiae of Center for Constitutional Jurisprudence, et al. filed. |
| Jan 23 2012 | Brief amici curiae of Chamber of Commerce of the United States of America, et al. filed. |
| Jan 23 2012 | Brief amicus curiae of Owner-Operator Independent Drivers Association, Inc. filed. |
| Jan 23 2012 | Brief amicus curiae of Airlines for America filed. |
| Feb 21 2012 | Brief of respondents National Resources Defense Council, et al.
in opposition filed. |
| Feb 21 2012 | Brief of respondents City of Los Angeles, California, et al. in opposition filed. |
| Mar 2 2012 | Reply of petitioner American Trucking Associations, Inc. filed. |
| Mar 7 2012 | DISTRIBUTED for Conference of March 23, 2012. |
| Mar 26 2012 | The Solicitor General is invited to file a brief in this case expressing the views of the United States. |
| Nov 30 2012 | Brief amicus curiae of United States filed. |
| Dec 10 2012 | Supplemental brief of petitioner American Trucking Associations, Inc. filed. |
| Dec 12 2012 | DISTRIBUTED for Conference of January 4, 2013. |
| Jan 7 2013 | DISTRIBUTED for Conference of January 11, 2013. |
| Jan 11 2013 | Petition GRANTED limited to Questions 1 and 3 presented by the petition. |
| Feb 11 2013 | SET FOR ARGUMENT ON Tuesday, April 16, 2013 |
| Feb 15 2013 | Brief of petitioner American Trucking Associations, Inc. filed. |
| Feb 15 2013 | Joint appendix filed. (Statement of costs filed.) |
| Feb 22 2013 | Brief amicus curiae of the United States supporting reversal filed. |
| Feb 22 2013 | Brief amici curiae of Owner-Operator Independent Drivers Association, Inc. filed. |
| Feb 22 2013 | Brief amicus curiae of Airlines for America filed. |
| Feb 22 2013 | Brief amicus curiae of California Construction Trucking Association filed. |
| Feb 22 2013 | Brief amicus curiae of Center for Constitutional Jurisprudence and Harbor Trucking Association filed. |
| Feb 22 2013 | Brief amici curiae of Chamber of Commerce of the United States of America. filed. |
| Feb 25 2013 | Record from U.S.C.A. for 9th Circuit is electronic. |
| Feb 25 2013 | Record from U.S.D.C. for Central District of California is electronic.. |
| Mar 1 2013 | CIRCULATED. |
| Mar 18 2013 | Brief of respondents City of Los Angeles, California, et al. filed. (Distributed) |
| Mar 18 2013 | Brief of respondents National Resources Defense Council, et al. (Distributed)
filed. |
| Mar 25 2013 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed. |
| Mar 25 2013 | Brief amicus curiae of Los Angleles Chamber of Commerce filed. (Distributed) |
| Mar 25 2013 | Brief amici curiae of National Organization of Counties, et al. filed. |
| Mar 25 2013 | Brief amicus curiae of Airports Council International - North America filed. |
| Mar 25 2013 | Brief amici curiae of California and Washington filed. (Distributed) |
| Apr 1 2013 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED. |
| Apr 5 2013 | Reply of petitioner American Trucking Associations, Inc. filed. (Distributed). |
| Apr 16 2013 | Argued. For petitioner: Daniel N. Lerman, Washington, D. C.; and John F. Bash, Assistant to the Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.) Steve Rosenthal for the respondents. |
| Jun 13 2013 | Adjudged to be REVERSED IN PART and case REMANDED. Kagan, J., delivered the opinion for a unanimous Court. Thomas, J., filed a concurring opinion. |
| Jul 15 2013 | JUDGMENT ISSUED. |
