Cheongsiatmoy, et al. v. University of Southern California, et al.
| JUSTIN CHEONGSIATMOY, UNITED STATES OF AMERICA, ex rel. IONM LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D., IONM, LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D., COUNTY OF LOS ANGELES, ex rel. IONM LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D. and STATE OF CALIFORNIA, ex rel. IONM LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D. |
| UNIVERSITY OF SOUTHERN CALIFORNIA, a California corporation and USC CARE MEDICAL GROUP, INC., a California corporation |
| California Insurance Commissioner RICARDO LARA, on behalf of the People of the State of California |
| 26-4545 |
| July 17, 2026 |
| U.S. Court of Appeals, Ninth Circuit |
| Other Statutes - False Claims Act |
Docket Report
RSS Track this Docket
This docket was last retrieved on September 10, 2026. A more recent docket listing may be available from PACER.
| Document Text |
|---|
| Filing 33 ADDED Counsel for Appellee Cory Webster [Entered: 09/10/2026 01:58 PM] |
| Filing 32 NOTICE OF APPEARANCE by Cory Webster for Appellee United States of America. [Entered: 09/10/2026 10:19 AM] |
| Filing 31 REPLY to Response to Motion for Miscellaneous Relief (DE 30) filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 09/07/2026 11:49 PM] |
| Filing 30 RESPONSE to Motion for Miscellaneous Relief (DE 11, 24-27) filed by Appellee Ricardo Lara.--[Court Update: Updated docket text] [Entered: 08/31/2026 05:50 PM] [Edited: 09/01/2026 09:54 AM] |
Filing 29
ORDER FILED. The motion (Docket Entry No. 16) to stay appellate proceedings pending resolution of the pending emergency motions is granted. The streamlined request (Docket Entry No. 28) for an extension of time to file the opening brief is denied as unnecessary. Briefing is suspended. [Entered: 08/28/2026 09:51 AM]
|
| Filing 28 Streamlined Request for Extension of Time to File Brief filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/26/2026 04:58 PM] |
| Filing 27 MOTION for Miscellaneous Relief filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 03:02 PM] |
| Filing 26 MOTION for Miscellaneous Relief filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Court entered filing to correct DE 14] [Entered: 08/19/2026 03:01 PM] |
| Filing 25 MOTION for Miscellaneous Relief filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Court entered filing to correct DE 13] [Entered: 08/19/2026 03:00 PM] |
| Filing 24 MOTION for Miscellaneous Relief filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Court entered filing to correct DE 12] [Entered: 08/19/2026 02:58 PM] |
| Filing 23 Emergency MOTION Circuit Rule 27-3 Certificate filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 01:07 PM] |
| Filing 22 Emergency MOTION Circuit Rule 27-3 Certificate filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 01:06 PM] |
| Filing 21 Emergency MOTION Circuit Rule 27-3 Certificate filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 01:04 PM] |
| Filing 20 Emergency MOTION Circuit Rule 27-3 Certificate filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 01:03 PM] |
| Filing 19 Emergency MOTION Circuit Rule 27-3 Certificate filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 01:01 PM] |
| Filing 18 DEFECTIVE --- Emergency MOTION Circuit Rule 27-3 Certificate filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Documents are duplicate of DE 12] [Entered: 08/19/2026 12:52 PM] [Edited: 08/19/2026 01:20 PM] |
| Filing 17 Emergency MOTION Circuit Rule 27-3 Certificate filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 12:50 PM] |
| Filing 16 MOTION to Reset Briefing Schedule filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 12:49 PM] |
| Filing 15 DEFECTIVE --- MOTION to Supplement or Correct Record filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Wrong filing type, correct entry is DE 27] [Entered: 08/19/2026 12:46 PM] [Edited: 08/19/2026 03:10 PM] |
| Filing 14 DEFECTIVE --- MOTION to Clarify or Amend Court Order or Disposition filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Wrong filing type, correct entry is DE 26] [Entered: 08/19/2026 12:45 PM] [Edited: 08/19/2026 03:09 PM] |
| Filing 13 DEFECTIVE --- MOTION to Clarify or Amend Court Order or Disposition filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Wrong filing type, correct entry is DE 25] [Entered: 08/19/2026 12:43 PM] [Edited: 08/19/2026 03:04 PM] |
| Filing 12 DEFECTIVE --- MOTION to Clarify or Amend Court Order or Disposition filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC.--[Wrong filing type, correct entry is DE 24] [Entered: 08/19/2026 12:41 PM] [Edited: 08/19/2026 03:08 PM] |
| Filing 11 MOTION for Limited Remand filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 08/19/2026 12:38 PM] |
| Filing 10 RELEASED FROM MEDIATION (text only). This case is released from the Mediation Program. Counsel are requested to contact the Circuit Mediator should circumstances develop that warrant settlement discussions. All further inquiries regarding this appeal, including requests for extensions of time, should be directed to the Clerks office. [Entered: 07/30/2026 11:20 AM] |
| Filing 9 MEDIATION ORDER: By 7/30/2026, counsel to email Circuit Mediator regarding settlement potential. Include Ninth Circuit case name and number in subject line. This communication will be kept confidential, if requested, and should not be filed with the court. The existing briefing schedule remains in effect. SEE ORDER FOR DETAILS. [Entered: 07/23/2026 12:29 PM] |
| Filing 8 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. [Entered: 07/22/2026 01:58 PM] |
| Filing 7 MEDIATION QUESTIONNAIRE filed by Appellant Justin Cheongsiatmoy, Appellant IONM, LLC. To submit pertinent confidential information directly to the Circuit Mediators, please email #[email protected] and include the case name and number in the subject line. Confidential submissions may include any information relevant to mediation of the case and settlement potential, including, but not limited to, settlement history, ongoing or potential settlement discussions, non-litigated party related issues, other pending actions, and timing considerations that may impact mediation efforts. [Entered: 07/22/2026 01:29 PM] |
| Filing 6 ADDED Counsel for Appellant Alice Chang [Entered: 07/22/2026 08:08 AM] |
| Filing 5 NOTICE OF APPEARANCE by Alice Chang for Appellant IONM, LLC, Appellant Justin Cheongsiatmoy. [Entered: 07/21/2026 04:53 PM] |
| Filing 4 NOTICE OF APPEARANCE by Alice Chang for Appellant IONM, LLC, Appellant Justin Cheongsiatmoy. [Entered: 07/21/2026 04:51 PM] |
| Filing 3 Originating Court Notice of Fee Received. [Entered: 07/20/2026 11:50 AM] |
| Filing 2 SCHEDULE NOTICE. Appeal Opening Brief (No Transcript Due) (Appellant) 8/26/2026, Appeal Answering Brief (No Transcript Due) (Appellee) 9/25/2026. For appeal no. 26-4545, 2:18-cv-08311-WLH-AS. All briefs shall be served and filed pursuant to FRAP 31 and 9th Cir. R. 31-2.1. Failure of the petitioner(s)/appellant(s) to comply with this briefing schedule will result in automatic dismissal of the appeal. See 9th Cir. R. 42-1. [Entered: 07/17/2026 02:13 PM] |
| Filing 1 CASE OPENED. A copy of your notice of appeal / petition filed in 2:18-cv-08311-WLH-AS has been received in the Clerk's office of the United States Court of Appeals for the Ninth Circuit. The U.S. Court of Appeals docket number 26-4545 has been assigned to this case. All communications with the court must indicate this Court of Appeals docket number. Please carefully review the docket to ensure the name(s) and contact information are correct. It is your responsibility to alert the court if your contact information changes. Resources Available For more information about case processing and to assist you in preparing your brief, please review the Case Opening Information (for #attorneys and #pro se litigants) and review the #Appellate Practice Guide. Attorneys should consider contacting the court's #Appellate Mentoring Program for help with the brief and argument. [Entered: 07/17/2026 02:01 PM] |
Access additional case information on PACER
Access the Case Summary and Docket Report to access additional information about this case on the U.S. Court's PACER system. A subscription to PACER is required.
| Search for this case: Cheongsiatmoy, et al. v. University of Southern California, et al. | |
|---|---|
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Web | [ Unicourt | Legal Web | Google | Bing | Yahoo | Ask ] |
| Plaintiff: JUSTIN CHEONGSIATMOY | |
| Represented By: | Alice Chang |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
| Plaintiff: UNITED STATES OF AMERICA, ex rel. IONM LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D. | |
| Represented By: | Mr. Hunter Byron Thomson |
| Represented By: | Cory Webster |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
| Plaintiff: IONM, LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D. | |
| Represented By: | Alice Chang |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
| Plaintiff: COUNTY OF LOS ANGELES, ex rel. IONM LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D. | |
| Represented By: | Dawyn Renae Harrison |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
| Plaintiff: STATE OF CALIFORNIA, ex rel. IONM LLC, a Delaware corporation and ex rel. Justin Cheongsiatmoy, M.D. | |
| Represented By: | Mr. Nathaniel Robertson Spencer-Mork |
| Represented By: | John P. Fisher |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
| Defendant: UNIVERSITY OF SOUTHERN CALIFORNIA, a California corporation | |
| Represented By: | Mr. Mark Steven Hardiman |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
| Defendant: USC CARE MEDICAL GROUP, INC., a California corporation | |
| Represented By: | Mr. Mark Steven Hardiman |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
| Intervenor: California Insurance Commissioner RICARDO LARA, on behalf of the People of the State of California | |
| Represented By: | Mr. Nathaniel Robertson Spencer-Mork |
| Search News | [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ] |
| Search Finance | [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ] |
| Search Web | [ Justia Dockets | Legal Web | Google | Bing | Yahoo | Ask ] |
Disclaimer: Justia Dockets & Filings provides public litigation records from the federal appellate and district courts. These filings and docket sheets should not be considered findings of fact or liability, nor do they necessarily reflect the view of Justia.
