| ~~~Date~~~ | ~~~~~~~Proceedings  and  Orders~~~~~~~~~~~~~~~~~~~~~ | 
| Mar 23 2012 | Petition for a writ of certiorari filed. (Response due April 27, 2012) | 
| Apr 27 2012 | Brief amicus curiae of National Consumer Law Center filed. | 
| Apr 27 2012 | Brief of respondent General Revenue Corporation in opposition filed. | 
| May 3 2012 | Reply of petitioner Olivea Marx filed. | 
| May 8 2012 | DISTRIBUTED for Conference of May 24, 2012. | 
| May 29 2012 | Petition GRANTED limited to Question 1 presented by the petition. | 
| May 30 2012 | The time to file the joint appendix and petitioner's brief on the merits is extended to and July 27, 2012. | 
| May 30 2012 | The time to file respondent's brief on the merits is extended to and including September 10, 2012. | 
| Jul 23 2012 | SET FOR ARGUMENT ON Wednesday, November 7, 2012 | 
| Jul 27 2012 | Joint appendix filed.  (Statement of costs filed) | 
| Jul 27 2012 | Brief of petitioner Olivea Marx filed. | 
| Aug 1 2012 | Record received from U.S.C.A. for 10th Circuit.  (1 box) | 
| Aug 3 2012 | Brief amicus curiae of the United States filed. | 
| Aug 3 2012 | Brief amici curiae of AARP, et al. filed. | 
| Aug 6 2012 | Record from U.S.D.C. for District of Colorado is electronic. | 
| Aug 24 2012 | CIRCULATED. | 
| Sep 5 2012 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed. | 
| Sep 10 2012 | Brief of respondent General Revenue Corporation filed.  (Distributed) | 
| Sep 17 2012 | Brief amicus curiae of ACA International filed.  (Distributed) | 
| Sep 17 2012 | Brief amicus curiae of National Association of Retail Collection Attorneys filed.  (Distributed) | 
| Oct 9 2012 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED. | 
| Oct 10 2012 | Reply of petitioner Olivea Marx filed.  (Distributed) | 
| Nov 7 2012 | Argued.  For Allison M. Zieve, Washington, D. C.; and Eric J. Feigin, Assistant to the Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.)  For respondent:  Lisa S. Blatt, Washington, D. C. | 
| Feb 26 2013 | Adjudged to be AFFIRMED.  Thomas, J., delivered the opinion of the Court, in which Roberts, C. J., and Scalia, Kennedy, Ginsburg, Breyer, and Alito, JJ., joined.  Sotomayor, J., filed a dissenting opinion, in which Kagan, J., joined. | 
| Apr 1 2013 | JUDGMENT ISSUED. | 
| Apr 17 2013 | Record returned to U.S.C.A. for Tenth Circuit. |