Amgen Inc. v. Mizner

Amgen Inc. v. Mizner

Plaintiff:	AMGEN INC., IMMUNEX CORPORATION and AMGEN MANUFACTURING LTD. LLC
Defendant:	GAIL MIZNER, MD, in her official capacity as Chair of the Colorado Prescription Drug Affordability Review Board, SAMI DIAB, MD, in his official capacity as a member of the Colorado Prescription Drug Affordability Review Board, AMARYLIS GUTIERREZ, PharmD, in her official capacity as a member of the Colorado Prescription Drug Affordability Review Board, CATHERINE HARSHBARGER, in her official capacity as a member of the Colorado Prescription Drug Affordability Review Board, JAMES JUSTIN VANDENBERG, PharmD, in his official capacity as a member of the Colorado Prescription Drug Affordability Review Board, MICHAEL CONWAY, in his official capacity as Commissioner of the Colorado Division of Insurance and PHILIP WEISER, in his official capacity as Attorney General of the State of Colorado
Case Number:	26-2111
Filed:	August 4, 2026
Court:	U.S. Court of Appeals, Federal Circuit
Nature of Suit:	Const. of State Statutes (Fed. Qst.)

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Docket Report

This docket was last retrieved on October 1, 2026. A more recent docket listing may be available from PACER.

Date Filed	Document Text
October 1, 2026	Filing 22 TEXT ONLY ORDER granting motion to withdraw attorney [ # 21 ] filed by Appellants Michael Conway, Gail Mizner, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, James Justin VandenBerg and Philip Weiser. Service as of this date by the Clerk of Court. This order has been issued without an attached document and is official and binding. [1197362] [IMH] [Entered: 10/01/2026 10:48 AM]
September 29, 2026	Filing 21 MOTION of Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser to withdraw counsel Rebecca Walker. Service: 09/29/2026 by email. [1196984] [26-2111] [Rebecca Walker] [Entered: 09/29/2026 05:57 PM]
September 3, 2026	Filing 20 Entry of Appearance for Jared M. Lax; Cliff Stricklin as counsel for Appellees Amgen Inc., Amgen Manufacturing Ltd. LLC and Immunex Corporation. Service: 09/03/2026 by email. [1191170] [26-2111] [Jared Lax] [Entered: 09/03/2026 11:08 AM]
August 25, 2026	Filing 19 CLERK'S OFFICE QUALITY CONTROL MESSAGE: re: Doc No. [ # 11 ], ERROR: Outdated Docketing Statement form filed. CORRECTION: For future filings, please use the most current versions of the forms which are available on the court's website. THIS MESSAGE IS FOR INFORMATIONAL PURPOSES ONLY. [1188806] [REL] [Entered: 08/25/2026 03:56 PM]
August 25, 2026	Filing 18 TEXT ONLY ORDER granting motion to extend time to file brief [ # 17 ] filed by Appellants Michael Conway, Gail Mizner, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, James Justin VandenBerg and Philip Weiser. The opening brief is due 11/04/2026. Service as of this date by the Clerk of Court. This order has been issued without an attached document and is official and binding. [1188573] [IMH] [Entered: 08/25/2026 10:28 AM]
August 21, 2026	Filing 17 MOTION of Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser to extend the time to 11/04/2026 to file brief. Service: 08/21/2026 by email. [1188044] [26-2111] [Pawan Nelson] [Entered: 08/21/2026 05:15 PM]
August 19, 2026	Filing 16 Notice of Related Case Information for Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/19/2026 by email. [1187475] [26-2111] [Pawan Nelson] [Entered: 08/19/2026 02:57 PM]
August 19, 2026	Filing 15 Notice of Related Case Information for Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/19/2026 by email. [1187474] [26-2111] [Pawan Nelson] [Entered: 08/19/2026 02:44 PM]
August 19, 2026	Filing 14 Corrected Entry of Appearance for Pawan Nelson; Rebecca Walker; Janna Fischer as counsel for Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/19/2026 by email. [1187473] [26-2111] [Pawan Nelson] [Entered: 08/19/2026 02:42 PM]
August 19, 2026	Filing 13 Corrected Docketing Statement for the Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/19/2026 by email. [1187472] [26-2111] [Pawan Nelson] [Entered: 08/19/2026 02:38 PM]
August 19, 2026	Filing 12 Corrected Certificate of Interest for Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/19/2026 by email. [1187471] [26-2111] [Pawan Nelson] [Entered: 08/19/2026 02:35 PM]
August 17, 2026	Filing 11 Docketing Statement for the Appellees Amgen Inc., Amgen Manufacturing Ltd. LLC and Immunex Corporation. Service: 08/17/2026 by email. [1186846] [26-2111] [Paul Mezzina] [Entered: 08/17/2026 03:36 PM]
August 17, 2026	Filing 10 Certificate of Interest for Appellees Amgen Inc., Amgen Manufacturing Ltd. LLC and Immunex Corporation. Service: 08/17/2026 by email. [1186844] [26-2111] [Paul Mezzina] [Entered: 08/17/2026 03:30 PM]
August 13, 2026	Filing 9 NOTICE OF NON-COMPLIANCE: The submissions of Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser, Entry of Appearance, Certificate of Interest, Docketing Statement, and Notice of Related Case Information [ # 4 ], [ # 5 ], [ # 6 ], [ # 7 ], are not in compliance with the rules of this court (see attached). Compliant documents due on 08/20/2026. Service as of this date by the Clerk of Court. [1186263] [REL] [Entered: 08/13/2026 03:41 PM]
August 13, 2026	Filing 8 Entry of Appearance for Kelly Nicole Reeves as counsel for Appellees Amgen Inc., Immunex Corporation and Amgen Manufacturing Ltd. LLC. Service: 08/13/2026 by email. [1186017] [26-2111] [Kelly Reeves] [Entered: 08/13/2026 10:08 AM]
August 11, 2026	Filing 7 Notice of Related Case Information for Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/11/2026 by email. [1185404] [26-2111] This document is non-compliant. See Doc No. [ # 9 ]. [Pawan Nelson] [Entered: 08/11/2026 11:26 AM]
August 11, 2026	Filing 6 Docketing Statement for the Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/11/2026 by email. [1185401] [26-2111] This document is non-compliant. See Doc No. [ # 9 ]. [Pawan Nelson] [Entered: 08/11/2026 11:24 AM]
August 11, 2026	Filing 5 Certificate of Interest for Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/11/2026 by email. [1185399] [26-2111] This document is non-compliant. See Doc No. [ # 9 ]. [Pawan Nelson] [Entered: 08/11/2026 11:23 AM]
August 11, 2026	Filing 4 Entry of Appearance for Pawan Nelson; Rebecca Walker; Janna Fischer as counsel for Appellants Michael Conway, Sami Diab, Amarylis Gutierrez, Catherine Harshbarger, Gail Mizner, James Justin VandenBerg and Philip Weiser. Service: 08/11/2026 by email. [1185395] [26-2111] This document is non-compliant. See Doc No. [ # 9 ]. [Pawan Nelson] [Entered: 08/11/2026 11:21 AM]
August 6, 2026	Filing 3 Official caption revised to include the Defendants' party texts. (see attached). Service as of this date by the Clerk of Court. [1184404] [IMH] [Entered: 08/06/2026 08:48 AM]
August 5, 2026	Filing 2 Entry of Appearance for Paul Alessio Mezzina; Ashley C. Parrish; Nicholas Mecsas-Faxon as counsel for Appellees Amgen Inc., Amgen Manufacturing Ltd. LLC and Immunex Corporation. Service: 08/05/2026 by email. [1184177] [26-2111] [Paul Mezzina] [Entered: 08/05/2026 10:45 AM]
August 4, 2026	Filing 1 Appeal docketed. Received: 07/31/2026. [1183918] Entry of Appearance is due on 08/18/2026. Certificate of Interest is due on 08/18/2026. Docketing Statement is due on 08/18/2026. Appellant's brief is due on 10/05/2026. [IMH] [Entered: 08/04/2026 02:55 PM]

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Search for this case: Amgen Inc. v. Mizner
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Plaintiff: AMGEN INC.
Represented By:	Ashley Charles Parrish
Represented By:	Nicholas Mecsas-Faxon
Represented By:	Paul Alessio Mezzina
Represented By:	Cliff Stricklin
Represented By:	Kelly N. Reeves
Represented By:	Jared Michael Lax
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Plaintiff: IMMUNEX CORPORATION
Represented By:	Ashley Charles Parrish
Represented By:	Nicholas Mecsas-Faxon
Represented By:	Paul Alessio Mezzina
Represented By:	Cliff Stricklin
Represented By:	Kelly N. Reeves
Represented By:	Jared Michael Lax
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Plaintiff: AMGEN MANUFACTURING LTD. LLC
Represented By:	Ashley Charles Parrish
Represented By:	Nicholas Mecsas-Faxon
Represented By:	Paul Alessio Mezzina
Represented By:	Cliff Stricklin
Represented By:	Kelly N. Reeves
Represented By:	Jared Michael Lax
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Defendant: GAIL MIZNER, MD, in her official capacity as Chair of the Colorado Prescription Drug Affordability Review Board
Represented By:	Pawan Nelson
Represented By:	Janna Fischer
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Defendant: SAMI DIAB, MD, in his official capacity as a member of the Colorado Prescription Drug Affordability Review Board
Represented By:	Pawan Nelson
Represented By:	Janna Fischer
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Defendant: AMARYLIS GUTIERREZ, PharmD, in her official capacity as a member of the Colorado Prescription Drug Affordability Review Board
Represented By:	Pawan Nelson
Represented By:	Janna Fischer
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Defendant: CATHERINE HARSHBARGER, in her official capacity as a member of the Colorado Prescription Drug Affordability Review Board
Represented By:	Pawan Nelson
Represented By:	Janna Fischer
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Defendant: JAMES JUSTIN VANDENBERG, PharmD, in his official capacity as a member of the Colorado Prescription Drug Affordability Review Board
Represented By:	Pawan Nelson
Represented By:	Janna Fischer
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Defendant: MICHAEL CONWAY, in his official capacity as Commissioner of the Colorado Division of Insurance
Represented By:	Pawan Nelson
Represented By:	Janna Fischer
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Defendant: PHILIP WEISER, in his official capacity as Attorney General of the State of Colorado
Represented By:	Pawan Nelson
Represented By:	Janna Fischer
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