Company · Pharmaceuticals & Biotechnology

Merck & Co. Inc

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

Public CompanyPharmaceuticals & Biotechnology

Ticker: NYSE: MRK
Business: Pharmaceutical Preparations
Headquarters: Rahway, NJ
Incorporated in: New Jersey
SEC CIK: 310158

Merck & Co. Inc is a public company in Pharmaceutical Preparations, based in Rahway, NJ (traded on NYSE as MRK, incorporated in New Jersey). It appears in 24,169 federal civil lawsuits in this index, most often as a defendant (23,956 of 24,169). These cases are most often Product Liability and Civil Rights matters, filed between 1990 and 2026, most frequently in District Court, E.D. Louisiana. The most common causes of action are Product Liability, Personal Injury, and Patent Infringement.

24,169

Lawsuits

23,956

As Defendant

213

As Plaintiff

1,408

Open

22,761

Terminated

1990–2026

Span

2.2 yr

Median Duration

23,021 of these cases (95%) are Product Liability filings — large waves of near-identical suits consolidated into multidistrict litigation (MDL) proceedings. The totals and the year chart reflect that concentration, not typical caseload.

653 cases/yrPredominantly defendant · 99%Product Liability-heavy · 95%Activity declining

Cases by State

AK · 5HI · 27PR · 21

Open Cases Over Time

1990peak 9,388 open2026

Case Types Over Time

19902026

Product LiabilityCivil RightsLaborContractPatent

Filings by Year

19902026

Case Types filter →

Product Liability23,021

Personal Property / Fraud99

Where Filed filter →

Filtered Patent Clear

133 Cases — Newest First

Halozyme, Inc v. Merck Sharp & Dohme Corp

Patent Open District Court, D. New JerseyNo. 2:25-cv-03179Filed 04/24/2025
Merck Sharp & Dohme LLC v. The Johns Hopkins University

Patent Open District Court, D. MarylandNo. 1:22-cv-03059Filed 11/29/2022
Merck Sharp & Dohme Corp v. Wyeth LLC

Patent Terminated District Court, D. DelawareNo. 1:21-cv-00024Filed 01/11/2021
Virtual Immersion Technologies LLC v. Merck and Co., Inc

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00610Filed 07/06/2020
Merck Sharp & Dohme Corp v. Mylan Pharmaceuticals Inc

Patent Terminated District Court, D. DelawareNo. 1:19-cv-01489Filed 08/09/2019
Merck Sharp & Dohme, LLC v. Mylan Pharmaceuticals Inc

Patent Terminated District Court, N.D. West VirginiaNo. 1:19-cv-00101Filed 05/02/2019
Merck Sharp & Dohme Corp v. Sandoz Inc

Patent Terminated District Court, D. DelawareNo. 1:19-cv-00312Filed 02/13/2019
Merck Sharp & Dohme Corp v. Watson Laboratories, Inc

Patent Terminated District Court, D. DelawareNo. 1:19-cv-00317Filed 02/13/2019
Merck Sharp & Dohme Corp v. Teva Pharmaceuticals USA, Inc

Patent Terminated District Court, D. DelawareNo. 1:19-cv-00318Filed 02/13/2019
Merck Sharp & Dohme Corp v. Sun Pharmaceutical Industries Ltd

Patent Terminated District Court, D. DelawareNo. 1:19-cv-00319Filed 02/13/2019
Merck Sharp & Dohme Corp v. Alvogen Pine Brook LLC

Patent Terminated District Court, D. DelawareNo. 1:19-cv-00310Filed 02/13/2019
Sanofi-Aventis U.S. LLC v. Merck Sharp & Dohme Corp

Patent Terminated District Court, D. New JerseyNo. 2:17-cv-05914Filed 08/08/2017
Microspherix LLC v. Merck Sharp & Dohme Corp

Patent Terminated District Court, D. New JerseyNo. 1:17-cv-03984Filed 06/05/2017
Microspherix LLC v. Merck Sharp & Dohme Corp

Patent Open District Court, D. New JerseyNo. 2:17-cv-03984Filed 06/05/2017
Symbology Innovations, LLC v. Merck & Co. Inc

Patent Terminated District Court, D. New JerseyNo. 2:17-cv-02080Filed 03/30/2017
Merck, Sharp & Dohme Corp v. Aurobindo Pharma Ltd

Patent Terminated District Court, D. New JerseyNo. 3:16-cv-09033Filed 12/06/2016
Merck, Sharp & Dohme Corp v. Strides Pharma Inc

Patent Terminated District Court, D. New JerseyNo. 3:16-cv-08850Filed 11/29/2016
Sanofi-Aventis U.S. LLC v. Merck Sharp & Dohme Corp

Patent Terminated District Court, D. DelawareNo. 1:16-cv-00812Filed 09/16/2016
Merck Sharp & Dohme Corp v. Bristol-Myers Squibb Co

Patent Terminated District Court, D. New JerseyNo. 2:16-cv-02122Filed 04/15/2016
Merck Sharp & Dohme Corp v. Roxane Laboratories, Inc

Patent Terminated District Court, S.D. OhioNo. 2:16-cv-00285Filed 04/01/2016
Merck Sharp & Dohme Corp v. Roxane Laboratories, Inc

Patent Terminated District Court, D. New JerseyNo. 3:16-cv-01804Filed 03/31/2016
Merck Sharp & Dohme Corp v. Par Sterile Products, LLC

Patent Terminated District Court, D. New JerseyNo. 3:16-cv-00948Filed 02/19/2016
Pdl Biopharma, Inc v. Merck Sharp & Dohme Corp

Patent Terminated District Court, D. New JerseyNo. 1:16-cv-00407Filed 01/22/2016
Merck, Sharp & Dohme Corp v. Hetero USA Inc

Patent Terminated District Court, D. New JerseyNo. 2:15-cv-08099Filed 11/16/2015
Merck, Sharp & Dohme Corp v. Hetero USA Inc

Patent Open District Court, D. New JerseyNo. 3:15-cv-08099Filed 11/16/2015
Pdl BioPharma, Inc v. Merck Sharp & Dohme Corp

Patent Terminated District Court, D. NevadaNo. 3:15-cv-00536Filed 10/28/2015
Merck Sharp & Dohme Corp v. Actavis Laboratories Fl, Inc

Patent Terminated District Court, S.D. FloridaNo. 0:15-cv-61858Filed 09/02/2015
Merck Sharp & Dohme Corp v. Actavis Laboratories Fl, Inc

Patent Terminated District Court, D. New JerseyNo. 2:15-cv-06541Filed 08/31/2015
Merck Sharp & Dohme Corp v. Royalty Pharma Collection Trust

Patent Terminated District Court, D. DelawareNo. 1:15-cv-00757Filed 08/28/2015
Merck Sharp & Dohme Corp v. Savior Lifetec Corp

Patent Terminated District Court, E.D. North CarolinaNo. 5:15-cv-00415Filed 08/21/2015
Merck Sharp & Dohme Corp v. Actavis Laboratories Fl, Inc

Patent Terminated District Court, D. New JerseyNo. 3:15-cv-06075Filed 08/06/2015
Bristol-Myers Squibb Co v. Merck & Co., Inc

Patent Terminated District Court, D. DelawareNo. 1:15-cv-00572Filed 07/07/2015
Bristol-Myers Squibb Co v. Merck & Co., Inc

Patent Terminated District Court, D. DelawareNo. 1:15-cv-00560Filed 06/30/2015
Mayne Pharma International Pty Ltd v. Merck & Co., Inc

Patent Terminated District Court, D. DelawareNo. 1:15-cv-00438Filed 05/29/2015
Merck Sharp & Dohme Corp v. Apotex Inc

Patent Terminated District Court, D. New JerseyNo. 3:15-cv-02384Filed 04/02/2015
Merck Sharp & Dohme Corp v. Amneal Pharmaceuticals LLC

Patent Terminated District Court, D. DelawareNo. 1:15-cv-00250Filed 03/20/2015
Bristol-Myers Squibb Co v. Merck & Co Inc

Patent Terminated District Court, D. DelawareNo. 1:14-cv-01131Filed 09/05/2014
Merck Sharp & Dohme Corp v. Fresenius Kabi USA LLC

Patent Terminated District Court, D. DelawareNo. 1:14-cv-01018Filed 08/07/2014
Merck Sharp & Dohme Corp v. Sandoz Inc

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00916Filed 07/11/2014
Merck Sharp & Dohme Corp v. Hospira Inc

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00915Filed 07/11/2014
Merck Sharp & Dohme Corp v. Fresenius Kabi USA LLC

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00905Filed 07/09/2014
Merck Sharp & Dohme Corp v. Teva Pharmaceuticals USA Inc

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00874Filed 07/03/2014
Merck Sharp & Dohme Corp v. Fresenius Kabi USA, LLC

Patent Terminated District Court, D. New JerseyNo. 3:14-cv-03917Filed 06/18/2014
Merck Sharp & Dohme Corp v. Xellia Pharmaceuticals ApS

Patent Terminated District Court, W.D. WisconsinNo. 3:14-cv-00124Filed 02/18/2014
Merck Sharp & Dohme Corp v. Xellia Pharmaceuticals ApS

Patent Terminated District Court, D. DelawareNo. 1:14-cv-00199Filed 02/14/2014
Merck Sharp & Dohme Corp v. Ben Venue Laboratories Inc

Patent Terminated District Court, D. DelawareNo. 1:13-cv-01611Filed 09/25/2013
Merck, Sharp & Dohme Corp v. Aurobindo Pharma Ltd

Patent Terminated District Court, D. New JerseyNo. 1:13-cv-05442Filed 09/11/2013
Merck, Sharp & Dohme Corp v. Cipla USA, Inc

Patent Terminated District Court, D. New JerseyNo. 1:13-cv-04017Filed 06/27/2013
Merck, Sharp & Dohme Corp v. Hetero USA Inc

Patent Terminated District Court, D. New JerseyNo. 1:13-cv-01402Filed 03/07/2013
Merck Sharp & Dohme Corp v. App Pharmaceuticals Inc

Patent Terminated District Court, D. DelawareNo. 1:13-cv-00166Filed 01/31/2013

Showing 1–50 of 133