No. 25-886
 
Title: Kenneth Genalo, Director of the New York Field Office of U.S. Immigration and Customs Enforcement, et al., Petitioners
v.
Carol Williams Black, et al.
Docketed: January 28, 2026
Lower Ct: United States Court of Appeals for the Second Circuit
   Case Numbers: (20-3224, 22-70)
   Decision Date: May 31, 2024
   Rehearing Denied: October 24, 2025
Questions Presented
 
Proceedings and Orders
Jan 22 2026 Petition for a writ of certiorari filed. (Response due February 27, 2026)
Petition Appendix
Jan 22 2026 Pursuant to Rule 34.6 and Paragraph 9 of the Guidelines for the Submission of Documents to the Supreme Court's Electronic Filing System, filings in this case should be submitted in paper form only, and should not be submitted through the Court's electronic filing system.
Feb 11 2026 Motion to extend the time to file a response from February 27, 2026 to April 28, 2026, submitted to The Clerk.
Main Document Proof of Service
Feb 12 2026 Motion to extend the time to file a response is granted and the time is extended to and including April 28, 2026.
Apr 28 2026 Brief of respondents Carol Williams Black, et al. in opposition filed.
Main Document
May 04 2026 Letter of May 4, 2026 from counsel for respondents Carol Williams Black, et al. filed. (Docket entry corrected June 2, 2026)
Main Document
May 06 2026 Suggestion of mootness submitted by respondent Carol W. Black and filed April 28, 2025, removed from the docket. Brief not accepted for filing. See Rule 15.4.
May 11 2026 Letter of May 6, 2026 from counsel for respondents filed.
Main Document
May 12 2026 DISTRIBUTED for Conference of 5/28/2026.
May 12 2026 Reply of petitioners Kenneth Genalo, et al. filed. (Distributed)
Main Document
Jun 01 2026 DISTRIBUTED for Conference of 6/4/2026.
Jun 01 2026 Record Requested.
Jun 02 2026 Electronic record of sealed materials received from the U.S. District Court for the Southern District of New York.
Jun 03 2026 Electronic record of sealed materials received from the U.S. Court of Appeals for the Second Circuit.
Jun 08 2026 DISTRIBUTED for Conference of 6/11/2026.
Jun 15 2026 Petition GRANTED as to United States Court of Appeals for the Second Circuit Case No. 22-70. In addition to the questions presented by the petition, the parties are directed to brief and argue the following question: Whether G. M.'s case is now moot.
Jun 15 2026 As Rule 34.6 provides, “If the Court schedules briefing and oral argument in a case that was governed by Federal Rule of Civil Procedure 5.2(c) or Federal Rule of Criminal Procedure 49.1(c), the parties shall submit electronic versions of all prior and subsequent filings with this Court in the case, subject to [applicable] redaction rules.” Subsequent party and amicus filings in the case should now be submitted through the Court’s electronic filing system, with any necessary redactions.
Jul 14 2026 Motion to abbreviate and redact respondent’s last name filed by respondent G. M.
Main Document Other Proof of Service
Jul 30 2026 Brief of petitioners Kenneth Genalo, et al. filed.
Main Document Proof of Service
Jul 30 2026 Motion to dispense with printing the joint appendix filed by petitioners Kenneth Genalo, et al.
Main Document Proof of Service
Aug 04 2026 SET FOR ARGUMENT on Tuesday, October 13, 2026.
Aug 06 2026 Brief amicus curiae of America First Legal Foundation filed.
Main Document Certificate of Word Count Proof of Service
Aug 06 2026 Brief amicus curiae of Federation for American Immigration Reform filed.
Main Document Certificate of Word Count Proof of Service
Aug 06 2026 Amicus brief of Iowa and 26 States not accepted for filing. (To be corrected - August 10, 2026)
Aug 06 2026 Brief amici curiae of Iowa, et al. filed. (Corrected)
Main Document Certificate of Word Count Proof of Service
Aug 17 2026 Motion to abbreviate and redact respondent’s last name GRANTED.
Aug 17 2026 CIRCULATED
Aug 31 2026 Brief of respondent G. M. filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 04 2026 Motion to dispense with printing the joint appendix filed by petitioners GRANTED.
Sep 08 2026 Brief amicus curiae of Miñana Family Center for Immigration Law and Policy, UCLA School of Law filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amici curiae of The United States Conference of Catholic Bishops, et al. filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amici curiae of Data and Policy Analysts filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amici curiae of Scholars of Early Immigration Detention filed. (Distributed)
Main Document Other Certificate of Word Count Proof of Service
Sep 08 2026 Amicus brief of American Bar Association not accepted for filing. (To be corrected - September 10, 2026)
Sep 08 2026 Brief amici curiae of Republican Former Senior Government Officials, et al. filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amici curiae of New York, et al. filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amicus curiae of The National Immigration Project filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amicus curiae of Constitutional Accountability Center filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amici curiae of The American Immigration Council, et al. filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 08 2026 Brief amici curiae of Former Immigration Judges, et al. filed. (Distributed)
Main Document Certificate of Word Count Proof of Service
Sep 10 2026 Amicus brief of American Bar Association submitted.
Main Document Certificate of Word Count Proof of Service
Sep 11 2026 Letter from the Solicitor General regarding forthcoming dismissal received.
Main Document
Sep 11 2026 Joint stipulation to dismiss the case pursuant to Rule 46.1 filed by petitioners.
Main Document Proof of Service
Sep 11 2026 Case Dismissed - Rule 46.
Attorneys
Attorneys for Petitioners
D. John Sauer
Counsel of Record
Solicitor General
United States Department of Justice
950 Pennsylvania Avenue, NW
Washington, DC 20530-0001

SUPREMECTBRIEFS@USDOJ.GOV
Ph: 202-514-2217
Party name: Kenneth Genalo, et al.


D. John Sauer
Counsel of Record
U.S. Department of Justice
950 Pennsylvania Avenue, NW
Washington, DC 20530

SUPREMECTBRIEFS@USDOJ.GOV
Ph: 202-514-2217
Party name: Kenneth Genalo, et al.


Attorneys for Respondents
Cecillia Derphine Wang
Counsel of Record
American Civil Liberties Union Foundation
425 California Street, Suite 700
San Francisco, CA 94104

cwang@aclu.org
Ph: 212-549-2500
Party name: Carol W. Black, et al.


Other Attorneys
Kwaku Affawua Akowuah
Counsel of Record
Sidley Austin LLP
1501 K Street NW
Washington, DC 20005

kakowuah@sidley.com
Ph: 202 736 8000
Party name: Data and Policy Analysts


Ahilan T. Arulanantham
Counsel of Record
UCLA SCHOOL OF LAW
385 Charles Young Drive East
Los Angeles, CA 90095

ARULANANTHAM@LAW.UCLA.EDU
Ph: (310) 825-1029
Party name: Miñana Family Center for Immigration Law and Policy, UCLA School of Law


Matt Austin Crapo
Counsel of Record
Federation for American Immigration Reform
25 Massachusetts Ave., NW, Suite 330
Suite 330
Washington, DC 20001

mcrapo@fairus.org
Ph: (202) 328-7004
Party name: Federation for American Immigration Reform


Matt Aidan Getz
Counsel of Record
Gibson, Dunn & Crutcher LLP
333 South Grand Avenue
Los Angeles, CA 90071

mgetz@gibsondunn.com
Ph: 213-229-7754
Party name: The United States Conference of Catholic Bishops and The Catholic Legal Immigration Network, Inc.


Jed Wolf Glickstein
Counsel of Record
Kaplan & Grady LLC
2071 N. Southport Ave
Suite 205
Chicago, IL 60614

jglickstein@kaplangrady.com
Ph: 312-254-8628
Party name: Former Senior Government Officials, Lawyers, Members of Congress, a Former Federal Judge, and Members of the Society for the Rule of Law


Brianne Jenna Gorod
Counsel of Record
Constitutional Accountability Center
1730 Rhode Island Ave. NW
Suite 1200
Washington, DC 20036

BRIANNE@THEUSCONSTITUTION.ORG
Ph: 202 296 6889
Party name: Constitutional Accountability Center


Barbara Jean Howard
Counsel of Record
Barbara J. Howard Co., PA
120 E. Fourth Street, Suite 960
Cincinnati, OH 45202

amicusbriefs@americanbar.org
Ph: 513-421-7300
Party name: American Bar Association


Richard W. Mark
Counsel of Record
Gibson, Dunn & Crutcher LLP
200 Park Avenue
New York, NY 10166

RMark@gibsondunn.com
Ph: (212) 351-4000
Party name: Former Immigration Judges and Former Members of the Board of Immigration Appeals


Christopher E. Mills
Counsel of Record
Spero Law LLC
557 East Bay Street #22251
Charleston, SC 29413

cmills@spero.law
Ph: 8436060640
Party name: America First Legal Foundation


Arjun Ravi Ramamurti
Counsel of Record
Jenner & Block LLP
1099 New York Avenue NW, Suite 900
Washington, DC 20001

aramamurti@jenner.com
Ph: 202-639-6000
Party name: The American Immigration Council, et al.


Jo-Ann Tamila Sagar
Counsel of Record
Hogan Lovells Cadwalader US LLP
555 Thirteenth Street, NW
Washington, DC 20004

jo-ann.sagar@hlc.com
Ph: 202-637-5600
Party name: Scholars of Early Immigration Detention


Barbara Dale Underwood
Counsel of Record
New York Solicitor General
Office of the Attorney General
28 Liberty Street
New York, NY 10005-1400

BARBARA.UNDERWOOD@AG.NY.GOV
Ph: 212-416-8016
Party name: States of New York, Arizona, California, Colorado, Connecticut, Delaware, Hawai‘i, Illinois, Maine, Maryland, Massachusetts, Michigan, Minnesota, Nevada, New Jersey, Oregon, Rhode Island, Vermont, Virginia, and Washington, and the District of Columbia


Eric Harris Wessan
Counsel of Record
Iowa Attorney General's Office
1305 E Walnut Street
Des Moines, IA 50319

wessan.eric@gmail.com
Ph: (515) 823-9117
Party name: Iowa and 26 States


Stanley Young
Counsel of Record
COVINGTON & BURLING LLP
3000 El Camino Real
5 Palo Alto Square, 10th Floor
Palo Alto, CA 94306

syoung@cov.com
Ph: 6506324704
Party name: The National Immigration Project