Party

Sanofi

Federal civil lawsuits naming Sanofi.

In this index, 39 federal civil lawsuits name a party recorded as Sanofi, most often as a plaintiff (20 of 39). These may be different parties who share the name; records here are grouped by name only. These cases are most often Patent and Product Liability matters, filed between 1999 and 2025, most frequently in District Court, D. Delaware. Frequent opposing parties include Amgen Inc, Watson Laboratories, Inc, and Sun Pharma Global Fze.

Lawsuits

As Defendant

As Plaintiff

Open

Terminated

1999–2025

Span

23 mo

Median Duration

1.4 cases/yrPredominantly plaintiff · 51%Patent-heavy · 62%Activity declining

Cases by State

Open Cases Over Time

1999peak 24 open2025

Case Types Over Time

19992025

PatentProduct LiabilityCivil RightsSecurities / CommoditiesAntitrust

Filings by Year

19992025

Case Types filter →

Patent24

Product Liability7

Civil Rights2

Securities / Commodities2

Antitrust1

Contract1

Where Filed filter →

Frequent Opposing Parties

39 Cases — Newest First

Makarevich v. Sanofi

Civil Rights Terminated District Court, D. MassachusettsNo. 1:25-cv-12543Filed 09/11/2025
Federal Trade Commission v. Sanofi

Antitrust Terminated District Court, D. MassachusettsNo. 1:23-cv-13046Filed 12/11/2023
Pastorius v. Sanofi

Federal Tax / Statutory Actions Terminated District Court, S.D. FloridaNo. 9:22-cv-80976Filed 06/28/2022
Ciotti v. Sanofi

Product Liability Terminated District Court, S.D. FloridaNo. 9:21-cv-82223Filed 12/14/2021
Sanofi v. Aurobindo Pharma USA, Inc

Patent - ANDA Terminated District Court, D. DelawareNo. 1:17-cv-01247Filed 08/31/2017
Monger v. Sanofi

Product Liability Terminated District Court, W.D. TennesseeNo. 2:16-cv-02883Filed 11/07/2016
Hardison v. Sanofi

Product Liability Terminated District Court, M.D. FloridaNo. 8:16-cv-00733Filed 03/23/2016
O'Neil v. Sanofi

Product Liability Terminated District Court, S.D. FloridaNo. 9:16-cv-80452Filed 03/22/2016
Sanofi v. Sandoz Inc

Patent Terminated District Court, D. DelawareNo. 1:15-cv-01207Filed 12/23/2015
Sanofi v. Watson Laboratories, Inc

Patent Terminated District Court, D. DelawareNo. 1:15-cv-01209Filed 12/23/2015
Sanofi v. Sun Pharma Global Fze

Patent Terminated District Court, D. DelawareNo. 1:15-cv-01208Filed 12/23/2015
Sanofi v. Glenmark Pharmaceuticals Inc. USA

Patent Terminated District Court, D. DelawareNo. 1:15-cv-01206Filed 12/23/2015
Sanofi v. First Time US Generics LLC

Patent Terminated District Court, D. DelawareNo. 1:15-cv-01205Filed 12/23/2015
Sanofi v. Alkem Laboratories Ltd

Patent Terminated District Court, D. DelawareNo. 1:15-cv-01200Filed 12/23/2015
Umb Bank, N.A v. Sanofi

Contract Terminated District Court, S.D. New YorkNo. 1:15-cv-08725Filed 11/05/2015
Washington Research Foundation v. Sanofi

Patent Terminated District Court, W.D. WashingtonNo. 2:15-cv-01143Filed 07/17/2015
Sanofi v. Sandoz, Inc

Patent Terminated District Court, D. DelawareNo. 1:15-cv-00415Filed 05/21/2015
Brabander v. Sanofi

Securities / Commodities Terminated District Court, S.D. New YorkNo. 1:15-cv-00753Filed 02/02/2015
Sanofi v. Sandoz Inc

Patent Terminated District Court, D. DelawareNo. 1:14-cv-01434Filed 11/24/2014
Amgen Inc v. Sanofi

Patent Terminated District Court, D. DelawareNo. 1:14-cv-01414Filed 11/17/2014
Amgen Inc v. Sanofi

Patent Terminated District Court, D. DelawareNo. 1:14-cv-01393Filed 11/11/2014
Amgen Inc v. Sanofi

Patent Terminated District Court, D. DelawareNo. 1:14-cv-01349Filed 10/28/2014
Amgen Inc v. Sanofi

Patent Terminated District Court, D. DelawareNo. 1:14-cv-01317Filed 10/17/2014
Cerveny v. Sanofi

Product Liability Terminated District Court, D. UtahNo. 2:14-cv-00545Filed 07/28/2014
Sanofi v. Amneal Pharmaceuticals LLC

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00875Filed 07/03/2014
Sanofi v. Unimark Remedies Ltd

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00876Filed 07/03/2014
Sullivan v. Sanofi

Product Liability Terminated District Court, S.D. New YorkNo. 7:14-cv-02939Filed 04/25/2014
Sanofi v. Alembic Pharmaceuticals Limited

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00424Filed 04/04/2014
Ag Funds, L.P v. Sanofi

Securities / Commodities Terminated District Court, S.D. New YorkNo. 1:14-cv-02211Filed 03/28/2014
Sanofi v. Alkem Laboratories, Ltd

Patent Terminated District Court, N.D. IllinoisNo. 1:14-cv-01957Filed 03/19/2014
Sanofi v. Sun Pharma Global Fze

Patent Terminated District Court, N.D. IllinoisNo. 1:14-cv-01844Filed 03/14/2014
Sanofi v. Sun Pharma Global Fze

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00294Filed 03/06/2014
Sanofi v. First Time US Generics LLC

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00293Filed 03/06/2014
Sanofi v. Alkem Laboratories Ltd

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00292Filed 03/06/2014
Sanofi, Et Al v. Glenmark Pharmaceutical, Et Al

Patent Terminated District Court, D. DelawareFiled 02/26/2014
Sanofi v. Watson Laboratories Inc

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00265Filed 02/26/2014
Sanofi v. Watson Laboratories Inc

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00264Filed 02/26/2014
Cerveny v. Sanofi

Product Liability Terminated District Court, D. UtahNo. 2:13-cv-00612Filed 06/28/2013
Postell v. Sanofi

Civil Rights Terminated District Court, S.D. FloridaNo. 0:99-cv-07222Filed 09/21/1999