from the United States Court of Appeals for the Ninth Circuit
See other cases from the Ninth Circuit.
Argued. For petitioners: Alan M. Hurst, Solicitor General, Boise, Idaho; and Hashim M. Mooppan, Principal Deputy Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.) For respondent: Kathleen R. Hartnett, San Francisco, Cal.
Reply of petitioners Bradley Little, in his official capacity as Governor of the State of Idaho, et al. filed. (Distributed)
Record received from the United States Court of Appeals for the Ninth Circuit. The record is electronic and is available on PACER.
CIRCULATED
Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED.
Brief amici curiae of Transgender Law Center, et al. filed. VIDED.
Brief amici curiae of Advocates for Girls' and Women's Rights filed. VIDED.
Brief amicus curiae of Constitutional Accountability Center filed. VIDED.
Brief amici curiae of GLBTQ Legal Advocates and Defenders, et al. filed. VIDED.
Brief amici curiae of Constitutional Law Scholars filed. VIDED.
Brief amici curiae of Equal Protection Scholars filed. VIDED.
Brief amici curiae of Professors of Constitutional Law filed. VIDED.
Brief amici curiae of Law And History Scholars filed. VIDED.
Brief amici curiae of Scholars of Equal Opportunity and Antidiscrimination Law filed. VIDED.
Brief amici curiae of Professional, Olympic, and International Athletes in Women’s Sports filed. VIDED.
Brief amici curiae of American Psychological Association, et al. filed. VIDED.
Brief amici curiae of Members of Congress filed. VIDED.
Brief amici curiae of Coaches, Teammates, Competitors, and Allies of Transgender Athletes filed. VIDED.
Brief amici curiae of New York, et al. filed. VIDED.
Brief amici curiae of Federal Jurisdiction Scholars filed. VIDED.
Brief amici curiae of Professor Joanna Harper, et al. filed. VIDED. (Corrected)
Record requested from the United States Court of Appeals for the Ninth Circuit.
Amicus brief of Professor Joanna Harper, et al. not accepted for filing. (To be corrected - November 19, 2025)
Brief amicus curiae of National Women's Law Center filed. VIDED.
Brief amicus curiae of Information Society Project filed. VIDED.
Brief amicus curiae of Andraya Yearwood filed. VIDED.
Brief amici curiae of Practicing Pediatric Endocrinologists, et al. filed. VIDED.
SET FOR ARGUMENT on Tuesday, January 13, 2026.
Brief of respondents Lindsay Hecox, et al. filed.
Motion of United States for leave to participate in oral argument and for divided argument not accepted for filing. (October 30, 2025) (corrected efiling to be submitted)
Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed.
Respondent's request that the Court dismiss the case as moot is deferred pending oral argument. See <i>Acheson Hotels</i>, <i>LLC</i> v. <i>Laufer</i>, 601 U. S. 1, 4 (2023).
Supplemental brief of petitioners Bradley Little, Governor of Idaho, et al. filed. (Distributed)
Suggestion of mootness DISTRIBUTED for Conference of 10/17/2025.
Reply of respondents Lindsay Hecox, et al. filed. DISTRIBUTED.
Response to suggestion of mootness from petitioners Bradley Little, Governor of Idaho, et al. filed.
Brief amicus curiae of Do No Harm filed. VIDED.
Brief amicus curiae of United States filed. VIDED.
Brief amici curiae of Advancing American Freedom, et al. filed.
Brief amici curiae of Thomas Hartley, MD, et al. filed.
Brief amicus curiae of Independent Women's Law Center filed.
Brief amicus curiae of The American College of Pediatricians filed.
Brief amici curiae of Pennsylvania School Board Directors filed. VIDED.
Brief amici curiae of Reem Alsalem United Nations Special Rapporteur on Violence Against Women and Girls, its Causes and Consequences filed. VIDED.
Brief amicus curiae of Women's Liberation Front filed. VIDED.
Brief amici curiae of Doctors of Sports Medicine filed. VIDED.
Brief amicus curiae of True Blue Sapphires, Inc. filed. VIDED.
Brief amicus curiae of Equal Protection Project filed.
Brief amicus curiae of Defense of Freedom Institute for Policy Studies filed. VIDED.
Brief amici curiae of America's Future, et al. filed. VIDED.
Brief amici curiae of Six High School Athletes filed. VIDED.
Brief amici curiae of 48 Members of Congress filed. VIDED.
Brief amici curiae of 31 Olympians, et al. filed. VIDED.
Brief amicus curiae of Center for American Liberty filed. VIDED.
Brief amici curiae of Concerned Women for America, et al. filed. VIDED.
Brief amici curiae of American Association of Christian Schools, et al. filed. VIDED.
Brief amicus curiae of Defending Education filed. VIDED.
Brief amici curiae of Sport Scientists filed. VIDED.
Brief amici curiae of President Pro Tempore of the Idaho Senate Kelly Anthon, et al. filed. VIDED.
Brief amici curiae of Professors Richard J. Auchus, et al. in support of neither party filed. VIDED.
Brief amici curiae of Interested Sports Physiologists filed. VIDED.
Brief amici curiae of Alabama, et al. filed.
Brief amici curiae of Riley Gaines, et al. filed. VIDED.
Brief amicus curiae of Independent Council on Women's Sport filed. VIDED.
Brief amici curiae of The Church of Jesus Christ of Latter-day Saints, et al. filed. VIDED.
Brief amici curiae of President of the Arizona State Senate Warren Petersen, et al. filed.
Brief amici curiae of Business Leaders filed. VIDED.
Brief amicus curiae of Sex Matters filed. VIDED.
Amici brief of Emma Hilton, PhD, et al. not accepted for filing. (To be corrected - September 29, 2025)
Brief amici curiae of Emma Hilton, PhD, et al. filed. VIDED. (Corrected)
Amicus brief of Rep. Barbara Ehardt of Idaho, et al. not accepted for filing. (To be corrected - October 03, 2025)
Brief amici curiae of Rep. Barbara Ehardt of Idaho, et al. filed. (Corrected)
Brief amici curiae of American Principles Project, et al. filed.
Brief amicus curiae of Dr. Mark Regnerus filed.
Brief amici curiae of Dr. Daniel Kodsi, et al. filed. VIDED.
Brief amicus curiae of United States Conference of Catholic Bishops filed. VIDED.
Brief amicus curiae of Liberty Counsel filed. VIDED.
Brief amicus curiae of Women’s Declaration International USA filed. VIDED.
Brief amicus curiae of NC Values Institute filed. VIDED.
Amici brief of Dr. Brent Ellis, et al. not accepted for filing. (To be corrected - September 18, 2025)
Brief amici curiae of Dr. Brent Ellis, et al. filed.
Joint appendix (2 volumes) filed. (Statement of costs filed)
Brief of petitioners Bradley Little, Governor of Idaho, et al. filed.
Request of petitioners to set September 26, 2025 as the due date for filing a response to the suggestion of mootness is granted.
Request of petitioners to set due date of September 26, 2025 for the filing of a response to the suggestion of mootness filed.
Suggestion of mootness filed by respondents Lindsay Hecox, et al.
Motion to extend the time to file the briefs on the merits granted. The time to file the joint appendix and petitioners' brief on the merits is extended to and including September 12, 2025. The time to file respondents' brief on the merits is extended to and including November 10, 2025.
Motion for an extension of time to file the briefs on the merits filed.
Petition GRANTED.
Supplemental brief of petitioners Bradley Little, et al. filed. (Distributed)
Reply of petitioners Bradley Little, Governor of Idaho, et al. filed. (Distributed)
Brief of respondents Lindsay Hecox, et al. in opposition filed.
Brief amici curiae of Thomas Hartley, MD, et al. filed.
Amicus brief of Business Leaders not accepted for filing. (August 14, 2024) (corrected brief submitted)
Brief amici curiae of Business Leaders filed. VIDED.
Brief amici curiae of Alabama, et al. filed.
Brief amicus curiae of Do No Harm (Aug. 22, 2024) filed.
Brief amici curiae of Five Female Olympic Rowers filed.
Brief amici curiae of 102 Female Athletes, et al. filed.
Brief amicus curiae of Independent Council on Women's Sport filed. VIDED.
Brief amicus curiae of International Consortium on Female Sport filed. VIDED.
Brief amici curiae of Billy Burleigh, et al. filed.
Brief amici curiae of America's Future, et al. filed.
Brief amici curiae of Advancing American Freedom, Inc., et al. filed.
Brief amicus curiae of Women’s Declaration International USA filed.
Brief amici curiae of Rep. Barbara Ehardt of Idaho, et al. filed.
Brief amici curiae of 35 Athletic Officials and Coaches of Female Athletes filed. VIDED.
Brief amici curiae of Dr. Brent Ellis, President Spring Arbor University, et al. filed.
Motion to extend the time to file a response is granted and the time is extended to and including October 15, 2024
Motion to extend the time to file a response from August 14, 2024 to October 14, 2024, submitted to The Clerk.
Petition for a writ of certiorari filed. (Response due August 14, 2024)
Bradley Little, in his official capacity as Governor of the State of Idaho, et al., Petitioner, represented by Michael Adam Zarian
Bradley Little, in his official capacity as Governor of the State of Idaho, et al., Petitioner, represented by John J. Bursch
Bradley Little, in his official capacity as Governor of the State of Idaho, et al., Petitioner, represented by Alan Michael Hurst
Lindsay Hecox, et al., Respondent, represented by Kathleen Roberta Hartnett
102 Female Athletes, Amicus Curiae, represented by Kristine Lee Brown
35 Athletic Officials and Coaches of Female Athletes, Amicus Curiae, represented by Anna Elizabeth Wagner St. John
48 Members of the Congress, Amicus Curiae, represented by Bryan Howard Beauman
Advancing American Freedom, Inc., Amicus Curiae, represented by John Marc Wheat
Advocates for Girls' and Women's Rights, Amicus Curiae, represented by Tara C. Ford
Alabama, Arkansas, and 24 Other States, Amicus Curiae, represented by Alexander Barrett Bowdre
America First Legal Foundation, Amicus Curiae, represented by Jonathan F. Mitchell
American Association of Christian Schools, et al., Amicus Curiae, represented by Tim Newton
American Principles Project, Paula Scanlan, and Brooke Blom, Amicus Curiae, represented by Noah Stephen Heinz
American Psychological Association, National Association of Social Workers, American Association for Marriage and Family Therapy, Amicus Curiae, represented by Jessica Ring Amunson
America's Future, Public Advocate of the United States, Eagle Forum, Eagle Forum Foundation, Clare Boothe Luce Center for Cons. Women, Leadership Institute, U.S. Constitutional Rights Legal Def. Fund, Fitzgerald Griffin Foundation, One Nation Under God Foundation, and Conservative Legal Def. and Education Fund, Amicus Curiae, represented by William Jeffrey Olson
America's Future, Public Advocate of the United States, Public Advocate Foundation, Clare Boothe Luce Center for Conservative Women, U.S. Constitutional Rights Legal Defense Fund, One Nation Under God Foundation, and Conservative Legal Defense and Education Fund, Amicus Curiae, represented by William Jeffrey Olson
Andraya Yearwood, Amicus Curiae, represented by Gene Micah Wissinger
Billy Burleigh, KathyGrace Duncan, Laura Perry Smalts, and Jane Smith, Amicus Curiae, represented by Joshua Kerry Payne
Brief of Professors Richard J. Auchus, David J. Handelsman, Sandra K. Hunter, Michael J. Joyner, Benjamin D. Levine, and Virginia M. Miller, Amicus Curiae, represented by James E. Coleman Jr.
Business Leaders, Amicus Curiae, represented by Jonathan Radford Whitehead
Center for American Liberty, Amicus Curiae, represented by Joshua Wallace Dixon
Coaches, Teammates, Competitors, and Allies of Transgender Athletes, Amicus Curiae, represented by Brian Matthew Boynton
Concerned Women for America and Samaritan's Purse, Amicus Curiae, represented by Christopher E. Mills
Constitutional Accountability Center, Amicus Curiae, represented by Brianne Jenna Gorod
Constitutional Law Scholars in Support of Respondents, Amicus Curiae, represented by Benjamin Blystad Gould
Defending Education, Amicus Curiae, represented by John Michael Connolly
Defense of Freedom Institute for Policy Studies, Amicus Curiae, represented by Donald A. Daugherty Jr.
Doctors of Sports Medicine, Amicus Curiae, represented by Sean Paul Gates
Do No Harm, Amicus Curiae, represented by David H. Thompson
Dr. Brent Ellis, President Spring Arbor University and The Wagner Center, Amicus Curiae, represented by William Wagner
Dr. Daniel Kodsi, Mr. John Maier, Prof. Robert George and 21 Other Philosophers, Amicus Curiae, represented by Jonathan Zak Ritchie
Dr. Mark Regnerus, Amicus Curiae, represented by Edward Charles Wilde
Emma Hilton PhD and the International Consortium on Female Sport, Amicus Curiae, represented by William Bock III
Equal Protection Project, Amicus Curiae, represented by Timothy Ray Snowball
Equal Protection Scholars, Amicus Curiae, represented by Jacob Max Rosen
Federal Jurisdiction Scholars, Amicus Curiae, represented by Lawrence S. Lustberg
Five Female Olympic Rowers, Amicus Curiae, represented by Emily Eileen Jones
GLBTQ Legal Advocates & Defenders and National Center for LGBTQ Rights, Amicus Curiae, represented by Sambo Dul
Independent Council on Women's Sport, Amicus Curiae, represented by William Bock III
Independent Women's Law Center, Amicus Curiae, represented by Gene Clayton Schaerr
Information Society Project at Yale Law School, Amicus Curiae, represented by Priscilla J. Smith
Interested Sports Physiologists, Amicus Curiae, represented by Kyle Douglas Hawkins
International Consortium on Female Sport, Amicus Curiae, represented by William Bock III
Law And History Scholars, Amicus Curiae, represented by Chad Michael Eggspuehler
Liberty Counsel, Amicus Curiae, represented by Mathew D. Staver
Members of Congress, Amicus Curiae, represented by Conor Denali Tucker
National Women's Law Center, Amicus Curiae, represented by Kaitlyn Alissa Golden
NC Values Institute, Amicus Curiae, represented by Deborah Dewart
Pennsylvania School Board Directors, Amicus Curiae, represented by Randall L. Wenger
Practicing Pediatric Endocrinologists and Pediatricians, Amicus Curiae, represented by Thomas E. Redburn Jr.
President of the Arizona State Senate Warren Petersen and Speaker of the Arizona House of Representatives Steve Montenegro, Amicus Curiae, represented by Justin Daniel Smith
President Pro Tempore of the Idaho Senate Kelly Anthon and Speaker of the Idaho House of Representatives Mike Moyle, Amicus Curiae, represented by Judd Edward Stone II
Professional, Olympic, and International Athletes in Women’s Sports, Amicus Curiae, represented by Kelly M. Dermody
Professors Joanna Harper, Philip Chilibeck, and Carol Ewing Graber, Amicus Curiae, represented by Lisa Adrienne Ells
Professors of Constitutional Law, Amicus Curiae, represented by Laura Nicole Ferguson
Reem Alsalem United Nations Special Rapporteur on Violence Against Women and Girls, its Causes and Consequences, Amicus Curiae, represented by Teresa Stanton Collett
Rep. Barbara Ehardt of Idaho, et al., Amicus Curiae, represented by Nicholas J. Nelson
Riley Gaines and 32 College Athletes, Amicus Curiae, represented by William Bock III
Scholars of Equal Opportunity and Antidiscrimination Law, Amicus Curiae, represented by Suzanne Beth Goldberg
Sex Matters, Amicus Curiae, represented by John Clay Sullivan
Six High School Athletes, Amicus Curiae, represented by Brian Kirk Kelsey
Sport Scientists, Amicus Curiae, represented by Michelle Shamblin Stratton
State of Arkansas, Amicus Curiae, represented by Autumn Hamit Patterson
States of New York, Hawai‘i, California, Colorado, Connecticut, Delaware, Illinois, Maine, Maryland, Massachusetts, Minnesota, Oregon, Rhode Island, Vermont, and Washington, and the District of Columbia, Amicus Curiae, represented by Barbara Dale Underwood
The American College of Pediatricians, Amicus Curiae, represented by Edward Howard Trent
The Church of Jesus Christ of Latter-day Saints, et al., Amicus Curiae, represented by Richard Shawn Gunnarson
The Transgender Law Center, Genders & Sexualities Alliance Network, and PFLAG, Inc., Amicus Curiae, represented by Anthony David Sbardellati
Thomas Hartley, MD, et al., Amicus Curiae, represented by Frederick W. Claybrook Jr.
Thomas Hartley, MD, Pacific Justice Institute, National Legal Foundation, Illinois Family Institute, Amicus Curiae, represented by Frederick W. Claybrook Jr.
True Blue Sapphires, Inc., Amicus Curiae, represented by Jay Randall Carson
United States, Amicus Curiae, represented by D. John Sauer
United States Conference of Catholic Bishops, Amicus Curiae, represented by Benjamin Michael Flowers
Women’s Declaration International USA, Amicus Curiae, represented by Kara Patrice Dansky
Women's Liberation Front, Amicus Curiae, represented by Nancy Karoline Stade