Amgen Inc. v. Carefirst of Maryland, Incorporated
Petitioner: AMGEN INC., IMMUNEX CORPORATION and AMGEN MANUFACTURING LIMITED LLC
Respondent: CAREFIRST OF MARYLAND, INCORPORATED, GROUP HOSPITALIZATION & MEDICAL SERVICES, INCORPORATED and CAREFIRST BLUECHOICE, INC.
Case Number: 26-139
Filed: March 27, 2026
Court: U.S. Court of Appeals, Fourth Circuit
Nature of Suit: Other
Docket Report

This docket was last retrieved on April 20, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
April 20, 2026 Filing 29 Case transferred to general docket: [No. 26-1473]. Originating case number: 2:24-cv-00484-AWA-LRL. [1001963573] [26-139] CH [Entered: 04/20/2026 04:47 PM]
April 20, 2026 Filing 28 COURT ORDER filed granting Motion for permission to appeal [ # 2 ] Case transferred to regular docket number 26-1473 Copies to all parties. Mailed to: Girnys, Griffith, Kopel, Lambert, Morea, Radice, Story, Street. [1001963568] [26-139] CH [Entered: 04/20/2026 04:45 PM]
April 20, 2026 Filing 26 COURT ORDER filed granting Motion for leave to file reply [ # 24 ]. Copies to all parties. [1001963457] [26-139] CH [Entered: 04/20/2026 03:41 PM]
April 17, 2026 Filing 25 APPEARANCE OF COUNSEL by Rachel A. Downey for Group Hospitalization & Medical Services, Incorporated, Carefirst of Maryland, Incorporated and Carefirst Bluechoice, Inc.. [1001962582] [26-139] Rachel Downey [Entered: 04/17/2026 12:13 PM]
April 16, 2026 Filing 27 REPLY by Amgen Inc., Amgen Manufacturing Limited LLC and Immunex Corporation to response [ # 16 ]. [1001963463] [26-139] CH [Entered: 04/20/2026 03:44 PM]
April 16, 2026 Filing 24 MOTION by Amgen Inc., Amgen Manufacturing Limited LLC and Immunex Corporation for leave to file reply in support of Motion for permission to appeal [ # 2 ]. Date and method of service: 04/16/2026 ecf. [1001962004] [26-139] Elaine Goldenberg [Entered: 04/16/2026 01:44 PM]
April 10, 2026 Filing 23 APPEARANCE OF COUNSEL by Adam R. Lawton for Amgen Inc., Amgen Manufacturing Limited LLC and Immunex Corporation. [1001959055] [26-139] Adam Lawton [Entered: 04/10/2026 04:04 PM]
April 10, 2026 Filing 22 APPEARANCE OF COUNSEL by Sarah E. Weiner for Amgen Inc., Amgen Manufacturing Limited LLC and Immunex Corporation. [1001959047] [26-139] Sarah Weiner [Entered: 04/10/2026 04:00 PM]
April 10, 2026 Filing 21 DISCLOSURE STATEMENT by Immunex Corporation. Was any question on Disclosure Form answered yes? Yes [1001959043] [26-139] Elaine Goldenberg [Entered: 04/10/2026 03:57 PM]
April 10, 2026 Filing 20 DISCLOSURE STATEMENT by Amgen Manufacturing Limited LLC. Was any question on Disclosure Form answered yes? Yes [1001959042] [26-139] Elaine Goldenberg [Entered: 04/10/2026 03:56 PM]
April 10, 2026 Filing 19 DISCLOSURE STATEMENT by Amgen Inc.. Was any question on Disclosure Form answered yes? Yes [1001959040] [26-139] Elaine Goldenberg [Entered: 04/10/2026 03:55 PM]
April 10, 2026 Filing 18 APPEARANCE OF COUNSEL by Elaine J. Goldenberg for Amgen Inc., Amgen Manufacturing Limited LLC and Immunex Corporation. [1001959036] [26-139] Elaine Goldenberg [Entered: 04/10/2026 03:53 PM]
April 10, 2026 Filing 17 RULE 45 NOTICE issued to Amgen Inc., Amgen Manufacturing Limited LLC and Immunex Corporation re: filing of appearance form. Case may be dismissed if default is not cured within 15 days, filing of disclosure form Case may be dismissed if default is not cured within 15 days. Mailed to: Downey, Girnys, Griffith, Kopel, Lambert, Morera, Radice, Story, Street. [1001958644] [26-139] CH [Entered: 04/10/2026 10:24 AM]
April 9, 2026 Filing 16 RESPONSE/ANSWER by Carefirst Bluechoice, Inc., Carefirst of Maryland, Incorporated and Group Hospitalization & Medical Services, Incorporated to Motion for permission to appeal [ # 2 ]. Nature of response: in opposition. [1001958392] [26-139] David Zimmer [Entered: 04/09/2026 06:01 PM]
March 31, 2026 Opinion or Order Filing 15 ORDER filed granting Motion to extend filing time [ # 12 ] Number of days granted: 3. Response due: 04/09/2026. Copies to all parties. Mailed to: Rachel Downey; Raymond Gimys; Thomas Griffith; Charles Kopel; April Lambert; Claudia Morea; John Radice; Tyler Story; Whitney Street. [1001952875] [26-139] CH [Entered: 03/31/2026 03:08 PM]
March 31, 2026 Filing 14 APPEARANCE OF COUNSEL by Thomas M. Sobol for Carefirst Bluechoice, Inc., Carefirst of Maryland, Incorporated and Group Hospitalization & Medical Services, Incorporated. [1001952858] [26-139] Thomas Sobol [Entered: 03/31/2026 02:55 PM]
March 31, 2026 Filing 13 APPEARANCE OF COUNSEL by David Zimmer for Carefirst Bluechoice, Inc., Carefirst of Maryland, Incorporated and Group Hospitalization & Medical Services, Incorporated. [1001952469] [26-139] David Zimmer [Entered: 03/31/2026 09:47 AM]
March 30, 2026 Filing 12 MOTION by Carefirst of Maryland, Incorporated, Group Hospitalization & Medical Services, Incorporated and Carefirst Bluechoice, Inc. to extend filing time for response until 04/09/2026.. Date and method of service: 03/30/2026 ecf. [1001952276] [26-139]--[Edited 03/31/2026 by CH--to modify docket text to correct document type] Marc Greco [Entered: 03/30/2026 07:14 PM]
March 30, 2026 Filing 11 APPEARANCE OF COUNSEL by Hannah Brennan for Carefirst Bluechoice, Inc., Carefirst of Maryland, Incorporated and Group Hospitalization & Medical Services, Incorporated. [1001951863] [26-139] Hannah Brennan [Entered: 03/30/2026 12:31 PM]
March 30, 2026 Filing 10 APPEARANCE OF COUNSEL by Marc C. Greco for Carefirst of Maryland, Incorporated, Group Hospitalization & Medical Services, Incorporated and Carefirst Bluechoice, Inc.. [1001951824] [26-139] Marc Greco [Entered: 03/30/2026 12:07 PM]
March 30, 2026 Filing 9 DISCLOSURE STATEMENT by Group Hospitalization & Medical Services, Incorporated. Was any question on Disclosure Form answered yes? Yes [1001951518] [26-139] Uriel Rabinovitz [Entered: 03/30/2026 09:31 AM]
March 30, 2026 Filing 8 DISCLOSURE STATEMENT by Carefirst of Maryland, Incorporated. Was any question on Disclosure Form answered yes? Yes [1001951512] [26-139] Uriel Rabinovitz [Entered: 03/30/2026 09:30 AM]
March 30, 2026 Filing 7 DISCLOSURE STATEMENT by Carefirst Bluechoice, Inc.. Was any question on Disclosure Form answered yes? Yes [1001951511] [26-139] Uriel Rabinovitz [Entered: 03/30/2026 09:29 AM]
March 30, 2026 Filing 6 APPEARANCE OF COUNSEL by Uriel Rabinovitz for Carefirst Bluechoice, Inc., Carefirst of Maryland, Incorporated and Group Hospitalization & Medical Services, Incorporated. [1001951508] [26-139] Uriel Rabinovitz [Entered: 03/30/2026 09:28 AM]
March 30, 2026 Filing 5 APPEARANCE OF COUNSEL by Peter D. St. Phillip, Jr. for Carefirst Bluechoice, Inc., Carefirst of Maryland, Incorporated and Group Hospitalization & Medical Services, Incorporated. [1001951505] [26-139] Peter St Phillip [Entered: 03/30/2026 09:25 AM]
March 27, 2026 Filing 4 Electronic filing fee paid. Filing Fee: $600.00. Receipt Number: A04-78471-401. [1001951248] [26-139] CH [Entered: 03/27/2026 04:35 PM]
March 27, 2026 Filing 3 RULE 5 NOTICE issued to Carefirst Bluechoice, Inc., Carefirst of Maryland, Incorporated and Group Hospitalization & Medical Services, Incorporated requesting response to petition. Mailed to: Downey; Girny; Griffith; Kopel; Lambert; Morea; Radice; Story; Street; Zimmer. [1001951234] [26-139] CH [Entered: 03/27/2026 04:29 PM]
March 27, 2026 Filing 2 Petition for permission to appeal filed by Amgen Inc., Amgen Manufacturing Limited LLC and Immunex Corporation.. [1001951227] [26-139]--[Edited 03/30/2026 by RP - document #1 replaced] CH [Entered: 03/27/2026 04:25 PM]
March 27, 2026 Filing 1 Permission to appeal case docketed. Originating case number: 2:24-cv-00484-AWA-LRL. Case manager: CHalupa. [1001951211] [26-139] CH [Entered: 03/27/2026 04:17 PM]

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Search for this case: Amgen Inc. v. Carefirst of Maryland, Incorporated
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Petitioner: AMGEN INC.
Represented By: Sarah E. Weiner
Represented By: Rohit Kumar Singla
Represented By: Justin Paul Raphael
Represented By: Adam R. Lawton
Represented By: Elaine Janet Goldenberg
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Petitioner: IMMUNEX CORPORATION
Represented By: Sarah E. Weiner
Represented By: Rohit Kumar Singla
Represented By: Justin Paul Raphael
Represented By: Adam R. Lawton
Represented By: Elaine Janet Goldenberg
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Petitioner: AMGEN MANUFACTURING LIMITED LLC
Represented By: Sarah E. Weiner
Represented By: Rohit Kumar Singla
Represented By: Justin Paul Raphael
Represented By: Adam R. Lawton
Represented By: Elaine Janet Goldenberg
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Respondent: CAREFIRST OF MARYLAND, INCORPORATED
Represented By: David Jacob Zimmer
Represented By: Kenneth Alan Wexler
Represented By: Whitney Street
Represented By: Tyler Joseph Story
Represented By: Peter D. St Phillip Jr.
Represented By: Thomas M. Sobol
Represented By: John D. Radice
Represented By: Uriel Rabinovitz
Represented By: Abbye R. K. Ognibene
Represented By: Claudia Morera
Represented By: William Hanes Monroe Jr.
Represented By: April Dawn Lambert
Represented By: Charles Z. Kopel
Represented By: Thomas K. Griffith
Represented By: Marc Christian Greco
Represented By: Raymond Peter Girnys
Represented By: Edwina Bullard Clarke
Represented By: Hannah W. Brennan
Represented By: Justin N. Boley
Represented By: Kip Andrew Harbison
Represented By: Michael Andrew Glasser
Represented By: Rachel Ann Downey
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Respondent: GROUP HOSPITALIZATION & MEDICAL SERVICES, INCORPORATED
Represented By: David Jacob Zimmer
Represented By: Kenneth Alan Wexler
Represented By: Whitney Street
Represented By: Tyler Joseph Story
Represented By: Peter D. St Phillip Jr.
Represented By: Thomas M. Sobol
Represented By: John D. Radice
Represented By: Uriel Rabinovitz
Represented By: Abbye R. K. Ognibene
Represented By: Claudia Morera
Represented By: William Hanes Monroe Jr.
Represented By: April Dawn Lambert
Represented By: Charles Z. Kopel
Represented By: Thomas K. Griffith
Represented By: Marc Christian Greco
Represented By: Raymond Peter Girnys
Represented By: Edwina Bullard Clarke
Represented By: Hannah W. Brennan
Represented By: Justin N. Boley
Represented By: Kip Andrew Harbison
Represented By: Michael Andrew Glasser
Represented By: Rachel Ann Downey
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Respondent: CAREFIRST BLUECHOICE, INC.
Represented By: David Jacob Zimmer
Represented By: Peter D. St Phillip Jr.
Represented By: Thomas M. Sobol
Represented By: John D. Radice
Represented By: Uriel Rabinovitz
Represented By: Abbye R. K. Ognibene
Represented By: Claudia Morera
Represented By: William Hanes Monroe Jr.
Represented By: April Dawn Lambert
Represented By: Charles Z. Kopel
Represented By: Thomas K. Griffith
Represented By: Marc Christian Greco
Represented By: Raymond Peter Girnys
Represented By: Edwina Bullard Clarke
Represented By: Hannah W. Brennan
Represented By: Kip Andrew Harbison
Represented By: Michael Andrew Glasser
Represented By: Rachel Ann Downey
Search News [ Google News | Marketwatch | Wall Street Journal | Financial Times | New York Times ]
Search Finance [ Google Finance | Yahoo Finance | Hoovers | SEC Edgar Filings ]
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