Company · Pharmaceuticals & Biotechnology

Amgen Inc

Federal civil lawsuits naming Amgen Inc, a Pharmaceuticals & Biotechnology company.

Public CompanyPharmaceuticals & Biotechnology

Ticker: Nasdaq: AMGN
Business: Biological Products, (No Diagnostic Substances)
Headquarters: Thousand Oaks, CA
Incorporated in: Delaware
SEC CIK: 318154

Amgen Inc is a public company in Biological Products, (No Diagnostic Substances), based in Thousand Oaks, CA (traded on Nasdaq as AMGN, incorporated in Delaware). It appears in 229 federal civil lawsuits in this index, most often as a plaintiff (124 of 229). These cases are most often Patent and Patent - ANDA matters, filed between 1992 and 2025, most frequently in District Court, D. Delaware. The most common causes of action are Patent Infringement, Antitrust, and Personal Injury. Frequent opposing parties include Schering Corporation, Zydus Pharmaceuticals (USA), Inc, and Sandoz Inc.

229

Lawsuits

105

As Defendant

124

As Plaintiff

Open

210

Terminated

1992–2025

Span

13 mo

Median Duration

6.7 cases/yrPredominantly plaintiff · 54%Activity steady

Cases by State

PR · 1

Open Cases Over Time

1992peak 36 open2025

Case Types Over Time

19922025

PatentPatent - ANDAFederal Tax / Statutory ActionsContractAntitrust

Filings by Year

19922025

Case Types filter →

Patent84

Patent - ANDA44

Federal Tax / Statutory Actions30

Contract18

Antitrust17

Civil Rights13

Where Filed filter →

Frequent Opposing Parties

Filtered Federal Tax / Statutory Actions Clear

30 Cases — Newest First

Amgen Inc v. Xavier Becerra

Federal Tax / Statutory Actions Open District Court, District of ColumbiaNo. 1:24-cv-03571Filed 12/20/2024
CareFirst of Maryland, Inc v. Amgen, Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. VirginiaNo. 2:24-mc-00026Filed 12/12/2024
Amgen Inc v. U.S. Department of Health and Human Services

Federal Tax / Statutory Actions Open District Court, District of ColumbiaNo. 1:22-cv-03763Filed 12/19/2022
Amgen Inc v. Price

Federal Tax / Statutory Actions Terminated District Court, District of ColumbiaNo. 1:17-cv-01006Filed 05/25/2017
Genentech, Inc v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, D. DelawareNo. 1:17-cv-00165Filed 02/15/2017
United States of America Ex Rel v. Amgen, Inc

Federal Tax / Statutory Actions Terminated District Court, D. MassachusettsNo. 1:11-cv-11242Filed 07/14/2011
The United States Of America v. Amgen, Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 1:10-cv-02441Filed 05/28/2010
Amgen Inc v. Kappos

Federal Tax / Statutory Actions Terminated District Court, District of ColumbiaNo. 1:10-cv-00564Filed 04/07/2010
Amgen Incorporated v. Kappos

Federal Tax / Statutory Actions Terminated District Court, District of ColumbiaNo. 1:10-cv-00264Filed 02/19/2010
Amgen Incorporated v. Kappos

Federal Tax / Statutory Actions Terminated District Court, District of ColumbiaNo. 1:09-cv-01829Filed 09/25/2009
United States Ex Rel. Michael Tucker v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 1:09-cv-00887Filed 03/03/2009
United States Ex Rel. Darrell Dotson v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 1:08-cv-05258Filed 12/31/2008
United States of America Ex Rel. Angela Kelly v. Amgen Corporation

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 1:08-cv-04157Filed 10/10/2008
United States Ex Rel v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 1:08-cv-03931Filed 09/25/2008
United States of America, Ex Rel Don Hanks v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 1:08-cv-03096Filed 07/28/2008
Ironworkers Local Union No. 68 and Participating Employers Health and Welfare Funds v. Amgen, Inc

Federal Tax / Statutory Actions Terminated District Court, D. New JerseyNo. 3:08-cv-00783Filed 02/07/2008
Watters v. Amgen, Incorporated

Federal Tax / Statutory Actions Terminated District Court, E.D. MichiganNo. 4:07-cv-15354Filed 12/17/2007
Vista Healthplan, Inc v. Amgen, Inc

Federal Tax / Statutory Actions Terminated District Court, S.D. FloridaNo. 0:07-cv-61719Filed 11/28/2007
Kilcoyne v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 1:07-cv-02154Filed 05/25/2007
Horwitz v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, W.D. WashingtonNo. 2:07-cv-00248Filed 02/15/2007
Pharmaceutical Indus v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, W.D. TexasNo. 5:05-cv-00144Filed 02/23/2005
United States of America, Ex Rel. Joseph Piacentile v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, E.D. New YorkNo. 2:04-cv-03983Filed 09/14/2004
Amgen, Inc v. Capital Growth

Federal Tax / Statutory Actions Terminated District Court, M.D. FloridaFiled 10/07/1999
Schering Corporation v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, D. DelawareNo. 1:98-cv-00098Filed 03/05/1998
Schering Corporation v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, D. DelawareNo. 1:98-cv-00097Filed 03/02/1998
Schering Corporation v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, D. New JerseyNo. 2:97-cv-06228Filed 12/19/1997
Schering Corporation v. Amgen Inc

Federal Tax / Statutory Actions Terminated District Court, D. New JerseyNo. 2:97-cv-06227Filed 12/19/1997
Amgen Inc v. IV-One Svc Inc

Federal Tax / Statutory Actions Terminated District Court, N.D. IllinoisNo. 1:95-cv-02577Filed 04/28/1995
Amgen Inc v. Kidney Ctr of de Co

Federal Tax / Statutory Actions Terminated District Court, N.D. IllinoisNo. 1:94-cv-07135Filed 11/30/1994
Amgen, Inc v. IV-One Services, Inc

Federal Tax / Statutory Actions Terminated District Court, M.D. FloridaNo. 6:94-cv-01122Filed 10/26/1994