Cases Argued by Ann O'Connell

Ann O’Connell argued 21 times in the U.S. Supreme Court since October 1955, according to Oyez.

Kentucky v. King

No. 09-1272
563 U.S. 452

Argued Wednesday, January 12, 2011
Decided Monday, May 16, 2011
Opinion by Justice Samuel Alito

563 U.S. 452

Appearance No. 1

Gonzalez v. Thaler

No. 10-895
565 U.S. 134

Argued Wednesday, November 2, 2011
Decided Tuesday, January 10, 2012
Opinion by Justice Sonia Sotomayor

565 U.S. 134

Appearance No. 2

Freeman v. Quicken Loans, Inc.

No. 10-1042
566 U.S. ___

Argued Tuesday, February 21, 2012
Decided Thursday, May 24, 2012
Opinion by Justice Antonin Scalia

566 U.S. ___

Appearance No. 3

Ryan v. Gonzales

No. 10-930,11-218
568 U.S. 57

Argued Tuesday, October 9, 2012
Decided Tuesday, January 8, 2013
Opinion by Justice Clarence Thomas

568 U.S. 57

Appearance No. 4

PPL Corporation v. Commissioner of Internal Revenue

No. 12-43
569 U.S. 329

Argued Wednesday, February 20, 2013
Decided Monday, May 20, 2013
Opinion by Justice Clarence Thomas

569 U.S. 329

Appearance No. 5

Tarrant Regional Water District v. Herrmann

No. 11-889
569 U.S. 614

Argued Tuesday, April 23, 2013
Decided Thursday, June 13, 2013
Opinion by Justice Sonia Sotomayor

569 U.S. 614

Appearance No. 6

Burt v. Titlow

No. 12-414
571 U.S. ___

Argued Tuesday, October 8, 2013
Decided Tuesday, November 5, 2013
Opinion by Justice Samuel Alito

571 U.S. ___

Appearance No. 7

Lozano v. Montoya Alvarez

No. 12-820
572 U.S. ___

Argued Wednesday, December 11, 2013
Decided Wednesday, March 5, 2014
Opinion by Justice Clarence Thomas

572 U.S. ___

Appearance No. 8

Kansas v. Nebraska and Colorado

No. 126 Orig.
574 U.S. ___

Argued Tuesday, October 14, 2014
Decided Tuesday, February 24, 2015
Opinion by Justice Elena Kagan

574 U.S. ___

Appearance No. 9

T-Mobile South, LLC v. City of Roswell, Georgia

No. 13-975
574 U.S. ___

Argued Monday, November 10, 2014
Decided Wednesday, January 14, 2015
Opinion by Justice Sonia Sotomayor

574 U.S. ___

Appearance No. 10

Henderson v. United States

No. 13-1487
575 U.S. ___

Argued Tuesday, February 24, 2015
Decided Monday, May 18, 2015
Opinion by Justice Elena Kagan

575 U.S. ___

Appearance No. 11

Lockhart v. United States

No. 14-8358
577 U.S. ___

Argued Tuesday, November 3, 2015
Decided Tuesday, March 1, 2016
Opinion by Justice Sonia Sotomayor

577 U.S. ___

Appearance No. 12

Hughes v. Talen Energy Marketing, LLC

No. 14-614,14-623
578 U.S. ___

Argued Wednesday, February 24, 2016
Decided Tuesday, April 19, 2016
Opinion by Justice Ruth Ginsburg

578 U.S. ___

Appearance No. 13

Lightfoot v. Cendant Mortgage Corporation

No. 14-1055
580 U.S. ___

Argued Tuesday, November 8, 2016
Decided Wednesday, January 18, 2017
Opinion by Justice Sonia Sotomayor

580 U.S. ___

Appearance No. 14

Lewis v. Clarke

No. 15-1500
581 U.S. ___

Argued Monday, January 9, 2017
Decided Tuesday, April 25, 2017
Opinion by Justice Sonia Sotomayor

581 U.S. ___

Appearance No. 15

Weaver v. Massachusetts

No. 16-240
582 U.S. ___

Argued Wednesday, April 19, 2017
Decided Thursday, June 22, 2017
Opinion by Justice Anthony Kennedy

582 U.S. ___

Appearance No. 16

Patchak v. Zinke

No. 16-498
583 U.S. ___

Argued Tuesday, November 7, 2017
Decided Tuesday, February 27, 2018
Opinion by Justice Clarence Thomas

583 U.S. ___

Appearance No. 17

Texas v. New Mexico and Colorado

No. 141 Orig.
___ U.S. ___

Argued Monday, January 8, 2018
Decided Monday, March 5, 2018
Opinion by Justice Neil Gorsuch

___ U.S. ___

Appearance No. 18

Upper Skagit Indian Tribe v. Lundgren

No. 17-387
584 U.S. ___

Argued Wednesday, March 21, 2018
Decided Monday, May 21, 2018
Opinion by Justice Neil Gorsuch

584 U.S. ___

Appearance No. 19

Washington State Department of Licensing v. Cougar Den, Inc.

No. 16-1498
___ U.S. ___

Argued Tuesday, October 30, 2018

___ U.S. ___

Appearance No. 20

Thacker v. Tennessee Valley Authority

No. 17-1201
___ U.S. ___

Argued Monday, January 14, 2019

___ U.S. ___

Appearance No. 21