ENDOCRINE SOCIETY v. FEDERAL TRADE COMMISSION

Court
D.D.C.
Docket number
1:26-cv-00512
Filed
Terminated
Last filing
Assigned judge
James E. Boasberg
Nature of suit
440 Civil Rights: Other
Cause
28:1331 Fed. Question
Jurisdiction
U.S. Government Defendant
Jury demand
None
Case
Endocrine Society v. Federal Trade Commission
Cite
Endocrine Soc'y v. Fed. Trade Comm'n, No. 1:26-cv-00512 (D.D.C. filed Feb. 17, 2026)
Source
Docket on CourtListener(opens another site)

The 45 court documents filed in this docket, as listed for its case.

Docket entries

The entries the archive holds for this docket. For the full docket, use the link above.

Docket entries
No.DateDescriptionDocument
1COMPLAINT against JOHN DOES, FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR ( Filing fee $ 405 receipt number BDCDC-12249026) filed by ENDOCRINE SOCIETY. (Attachments: # 1 Exhibit 1, # 2 Civil Cover Sheet, # 3 Summons, # 4 Summons, # 5 Summons, # 6 Summons, # 7 Summons, # 8 Summons, # 9 Summons, # 10 Summons)(Tolentino, Raymond) (Entered: 02/17/2026)Open(opens another site)
2MOTION for Leave to Appear Pro Hac Vice :Attorney Name- Heather Sawyer, Filing fee $ 100, receipt number ADCDC-12249110. Fee Status: Fee Paid. by ENDOCRINE SOCIETY. (Attachments: # 1 Declaration Declaration of Heather Sawyer in support of Motion for Admission Pro Hac Vice, # 2 Exhibit Certificate of Good Standing - DC, # 3 Text of Proposed Order)(Tolentino, Raymond) (Entered: 02/17/2026)Open(opens another site)
3MOTION for Leave to Appear Pro Hac Vice :Attorney Name- Dev P. Ranjan, Filing fee $ 100, receipt number ADCDC-12249117. Fee Status: Fee Paid. by ENDOCRINE SOCIETY. (Attachments: # 1 Declaration Declaration of Dev P. Ranjan in support of Motion for Admission Pro Hac Vice, # 2 Exhibit Certificate of Good Standing - DC, # 3 Text of Proposed Order)(Tolentino, Raymond) (Entered: 02/17/2026)Open(opens another site)
4LCvR 26.1 CERTIFICATE OF DISCLOSURE of Corporate Affiliations and Financial Interests by ENDOCRINE SOCIETY (Tolentino, Raymond) (Entered: 02/17/2026)Open(opens another site)
5SUMMONS (5) Issued Electronically as to FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR, U.S. Attorney and U.S. Attorney General (Attachments: # 1 Notice and Consent)(znmw) (Entered: 02/18/2026)Open(opens another site)
6NOTICE of Appearance by Joshua Revesz on behalf of ENDOCRINE SOCIETY (Revesz, Joshua) (Entered: 02/20/2026)Open(opens another site)
7NOTICE of Appearance by Heather Chase Sawyer on behalf of ENDOCRINE SOCIETY (Sawyer, Heather) (Entered: 02/24/2026)Open(opens another site)
8NOTICE of Appearance by Dev Ranjan on behalf of ENDOCRINE SOCIETY (Ranjan, Dev) (Entered: 02/24/2026)Open(opens another site)
9MOTION for Preliminary Injunction by ENDOCRINE SOCIETY. (Attachments: # 1 Memorandum in Support of Motion for Preliminary Injunction, # 2 Declaration of Mila N. Becker in Support of Motion for Preliminary Injunction, # 3 Declaration of Raymond P. Tolentino in Support of Motion for Preliminary Injunction, # 4 Exhibit 1, # 5 Exhibit 2, # 6 Exhibit 3, # 7 Exhibit 4, # 8 Exhibit 5, # 9 Exhibit 6, # 10 Exhibit 7, # 11 Exhibit 8, # 12 Exhibit 9, # 13 Exhibit 10, # 14 Exhibit 11, # 15 Exhibit 12, # 16 Exhibit 13, # 17 Exhibit 14, # 18 Exhibit 15, # 19 Exhibit 16, # 20 Exhibit 17, # 21 Exhibit 18, # 22 Exhibit 19, # 23 Exhibit 20, # 24 Exhibit 21, # 25 Exhibit 22, # 26 Exhibit 23, # 27 Exhibit 24, # 28 Exhibit 25, # 29 Exhibit 26, # 30 Text of Proposed Order)(Tolentino, Raymond) (Entered: 02/24/2026)Open(opens another site)
10NOTICE of Appearance by Alex Potapov on behalf of All Defendants (Potapov, Alex) (Entered: 02/25/2026)Open(opens another site)
11NOTICE of Appearance by Ethan D. Beck on behalf of All Defendants (Beck, Ethan) (Entered: 02/25/2026)Open(opens another site)
12STIPULATION re 9 MOTION for Preliminary Injunction by ENDOCRINE SOCIETY. (Tolentino, Raymond) (Entered: 02/25/2026)Open(opens another site)
13Unopposed MOTION for Extension of Time to File Answer by JOHN DOES, FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR. (Attachments: # 1 Proposed Order)(Beck, Ethan) (Entered: 02/26/2026)Open(opens another site)
14RETURN OF SERVICE/AFFIDAVIT of Summons and Complaint Executed as to the United States Attorney. Date of Service Upon United States Attorney on 3/4/2026. Answer due for ALL FEDERAL DEFENDANTS by 5/3/2026. (Tolentino, Raymond) (Entered: 03/04/2026)Open(opens another site)
15RETURN OF SERVICE/AFFIDAVIT of Summons and Complaint Executed on United States Attorney General. Date of Service Upon United States Attorney General 3/2/2026. (Tolentino, Raymond) (Entered: 03/04/2026)Open(opens another site)
16RETURN OF SERVICE/AFFIDAVIT of Summons and Complaint Executed. FEDERAL TRADE COMMISSION served on 3/2/2026; ANDREW N. FERGUSON served on 3/2/2026; MARK R. MEADOR served on 3/2/2026 (Tolentino, Raymond) (Entered: 03/04/2026)Open(opens another site)
17NOTICE of Appearance by John Bailey on behalf of All Defendants (Bailey, John) (Entered: 03/09/2026)Open(opens another site)
18NOTICE of Appearance by Aaron Martin Panner on behalf of AMICI ACADEMIC PEDIATRIC ASSOCIATION, ET AL. (Panner, Aaron) (Entered: 03/10/2026)Open(opens another site)
19Consent MOTION for Leave to File Amicus Brief by AMICI ACADEMIC PEDIATRIC ASSOCIATION, ET AL.. (Attachments: # 1 Amicus Brief, # 2 Text of Proposed Order)(Panner, Aaron) (Entered: 03/10/2026)Open(opens another site)
20NOTICE of Appearance by Daniel F. Mummolo on behalf of All Defendants (Mummolo, Daniel) (Entered: 03/12/2026)Open(opens another site)
21Unopposed MOTION for Leave to File Amicus Brief by LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC.. (Attachments: # 1 Proposed Order, # 2 Proposed Brief of Amicus Curiae Lambda Legal Defense and Education Fund, # 3 LCvP 26.1 Certificate)(Loewy, Karen) (Entered: 03/12/2026)Open(opens another site)
22NOTICE of Appearance by Karen Loewy on behalf of LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC. (Loewy, Karen) (Entered: 03/12/2026)Open(opens another site)
23AMICUS BRIEF by AMICUS CURIAE STATES. (Carmen, Morgan) Modified filer on 3/16/2026 (znmw). (Entered: 03/13/2026)Open(opens another site)
24MOTION for Leave to Appear Pro Hac Vice :Attorney Name- A.D. Sean Lewis, Filing fee $ 100, receipt number ADCDC-12299256. Fee Status: Fee Paid. by LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC.. (Attachments: # 1 Declaration of A.D.Sean Lewis, # 2 Certificate of Good Standing of A.D. Sean Lewis, # 3 Proposed Order)(Loewy, Karen) (Entered: 03/13/2026)Open(opens another site)
25MOTION for Leave to Appear Pro Hac Vice :Attorney Name- Jessica Polansky, Filing fee $ 100, receipt number ADCDC-12299257. Fee Status: Fee Paid. by LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC.. (Attachments: # 1 Declaration of Jessica Polansky, # 2 Certificate of Good Standing of Jessica Polansky, # 3 Proposed Order)(Loewy, Karen) (Entered: 03/13/2026)Open(opens another site)
26MOTION for Leave to Appear Pro Hac Vice :Attorney Name- Morgan J. Walker, Filing fee $ 100, receipt number ADCDC-12299262. Fee Status: Fee Paid. by LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC.. (Attachments: # 1 Declaration of Morgan J. Walker, # 2 Certificate of Good Standing of Morgan J. Walker, # 3 Proposed Order)(Loewy, Karen) (Entered: 03/13/2026)Open(opens another site)
27AMICUS BRIEF by ACADEMIC PEDIATRIC ASSOCIATION, AMERICAN ACADEMY OF CHILD AND ADOLESCENT PSYCHIATRY, AMERICAN ACADEMY OF NURSING, AMERICAN ASSOCIATION OF PHYSICIANS FOR HUMAN RIGHTS, INC., AMERICAN COLLEGE OF OBSTETRICIANS & GYNECOLOGISTS, AMERICAN COLLEGE OF OSTEOPATHIC PEDIATRICIANS, AMERICAN COLLEGE OF PHYSICIANS, AMERICAN PEDIATRIC SOCIETY, AMERICAN PSYCHIATRIC ASSOCIATION, ASSOCIATION OF AMERICAN MEDICAL COLLEGES, NATIONAL ASSOCIATION OF PEDIATRIC NURSE PRACTITIONERS, PEDIATRIC ENDOCRINE SOCIETY, SOCIETY OF ADOLESCENT HEALTH AND MEDICINE, SOCIETY OF PEDIATRIC NURSES. (Panner, Aaron) (Entered: 03/16/2026)Open(opens another site)
28NOTICE of Appearance by Jessica Polansky on behalf of LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC. (Polansky, Jessica) (Entered: 03/16/2026)Open(opens another site)
29NOTICE of Appearance by A.D. Sean Lewis on behalf of LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC. (Lewis, A.D.) (Entered: 03/17/2026)Open(opens another site)
30Memorandum in opposition to re 9 MOTION for Preliminary Injunction filed by JOHN DOES, FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR. (Attachments: # 1 Text of Proposed Order)(Mummolo, Daniel) (Entered: 03/17/2026)Open(opens another site)
31NOTICE of Appearance by Morgan Walker on behalf of LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC. (Walker, Morgan) (Entered: 03/19/2026)Open(opens another site)
32REPLY to opposition to motion re 9 Motion for Preliminary Injunction,,, filed by ENDOCRINE SOCIETY. (Attachments: # 1 Declaration of Raymond P. Tolentino in Support of Motion for a Preliminary Injunction (Supplemental), # 2 Exhibit 27)(Tolentino, Raymond) (Entered: 03/27/2026)Open(opens another site)
33TRANSCRIPT OF PROCEEDINGS before Chief Judge James E. Boasberg held on 4/7/26; Page Numbers: 1-36. Court Reporter/Transcriber Tammy Nestor, Telephone number [email address removed], Transcripts may be ordered by submitting the Transcript Order FormFor the first 90 days after this filing date, the transcript may be viewed at the courthouse at a public terminal or purchased from the court reporter referenced above. After 90 days, the transcript may be accessed via PACER. Other transcript formats, (multi-page, condensed, CD or ASCII) may be purchased from the court reporter.NOTICE RE REDACTION OF TRANSCRIPTS: The parties have twenty-one days to file with the court and the court reporter any request to redact personal identifiers from this transcript. If no such requests are filed, the transcript will be made available to the public via PACER without redaction after 90 days. The policy, which includes the five personal identifiers specifically covered, is located on our website at www.dcd.uscourts.gov. Redaction Request due 4/30/2026. Redacted Transcript Deadline set for 5/10/2026. Release of Transcript Restriction set for 7/8/2026.(Nestor, Tammy) (Entered: 04/09/2026)Open(opens another site)
34NOTICE OF SUPPLEMENTAL AUTHORITY by ENDOCRINE SOCIETY (Attachments: # 1 Exhibit A)(Tolentino, Raymond) (Entered: 04/29/2026)Open(opens another site)
35RESPONSE re 34 NOTICE OF SUPPLEMENTAL AUTHORITY filed by FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR. (Bailey, John) (Entered: 05/05/2026)Open(opens another site)
36NOTICE of Appearance by Omar Francisco Gonzalez-Pagan on behalf of LAMBDA LEGAL DEFENSE AND EDUCATION FUND, INC. (Gonzalez-Pagan, Omar) (Entered: 05/05/2026)Open(opens another site)
37ORDER: For the reasons set forth in the accompanying Memorandum Opinion, the Court ORDERS that: 1) Plaintiff's Motion for Preliminary Injunction is GRANTED IN PART and DENIED IN PART; 2) The Federal Trade Commission is preliminarily enjoined from implementing or enforcing its previously issued Civil Investigative Demand against the Endocrine Society; and 3) Plaintiff shall post a bond in the amount of $1.00 by May 11, 2026. Signed by Chief Judge James E. Boasberg on May 7, 2026. (lcjeb3) (Entered: 05/07/2026)Open(opens another site)
38MEMORANDUM OPINION re 37 Order on Motion for Preliminary Injunction. Signed by Chief Judge James E. Boasberg on May 7, 2026. (lcjeb3) (Entered: 05/07/2026)Open(opens another site)
39MOTION for Extension of Time to File Answer by JOHN DOES, FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR. (Attachments: # 1 Text of Proposed Order)(Mummolo, Daniel) (Entered: 06/01/2026)Open(opens another site)
40NOTICE of Withdrawal of Civil Investigative Demand by FEDERAL TRADE COMMISSION (Attachments: # 1 Exhibit 1)(Beck, Ethan) (Entered: 06/22/2026)Open(opens another site)
41Unopposed MOTION for Extension of Time to File Answer by JOHN DOES, FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR. (Attachments: # 1 Proposed Order)(Beck, Ethan) (Entered: 06/26/2026)Open(opens another site)
42Unopposed MOTION for Extension of Time to File Answer by JOHN DOES, FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR. (Attachments: # 1 Proposed Order)(Beck, Ethan) (Entered: 07/10/2026)Open(opens another site)
43Unopposed MOTION for Extension of Time to File Answer by FEDERAL TRADE COMMISSION, ANDREW N. FERGUSON, MARK R. MEADOR. (Attachments: # 1 Proposed Order)(Beck, Ethan) (Entered: 07/24/2026)Open(opens another site)
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Case Assigned to Chief Judge James E. Boasberg. (znmw)
No description
MINUTE ORDER: The Court ORDERS that the 2 Motion for Leave to Appear Pro Hac Vice of Heather Sawyer is GRANTED. Counsel should register for e-filing via PACER and file a notice of appearance pursuant to LCvR 83.6(a) Click for instructions. So ORDERED by Chief Judge James E. Boasberg on February 24, 2026. (lcjeb3) (lcml)