Party · Healthcare Services

Quest Diagnostics Incorporated

Federal civil lawsuits naming Quest Diagnostics Incorporated, a Healthcare Services company.

Ticker: NYSE: DGX
Business: Services-Medical Laboratories
Headquarters: Secaucus, NJ
Incorporated in: Delaware
SEC CIK: 1022079

Quest Diagnostics Incorporated is a public company in Services-Medical Laboratories, based in Secaucus, NJ (traded on NYSE as DGX, incorporated in Delaware). It appears in 293 federal civil lawsuits in this index, most often as a defendant (267 of 293). These cases are most often Civil Rights and Labor matters, filed between 1996 and 2026, most frequently in District Court, D. New Jersey. Frequent opposing parties include Quest Diagnostics, Inc, Quest Diagnostics, and Quest Diagnostics Clinical Laboratories, Inc.

293

Lawsuits

267

As Defendant

As Plaintiff

Open

276

Terminated

1996–2026

Span

9 mo

Median Duration

9.5 cases/yrNamed as defendant in 91% of cases43% Civil RightsRecent filings down

Cases by State

AK · 2

Open Cases Over Time

1996peak 30 open2026

Case Types Over Time

19962026

Civil RightsLaborContractPersonal Property / FraudFederal Tax / Statutory Actions

Filings by Year

19962026

Case Types filter →

Civil Rights127

Labor48

Contract41

Personal Property / Fraud33

Federal Tax / Statutory Actions15

RICO / Consumer / Other Statutes12

Where Filed filter →

Frequent Opposing Parties

293 Cases — Newest First

Castano v. Quest Diagnostics Incorporated

Labor Terminated District Court, D. New JerseyNo. 2:17-cv-00696Filed 02/01/2017
Toledo v. Quest Diagnostics LLC

Civil Rights Terminated District Court, D. ConnecticutNo. 3:17-cv-00106Filed 01/25/2017
Sanchez v. Quest Diagnostics Incorporated

RICO / Consumer / Other Statutes Terminated District Court, S.D. FloridaNo. 1:17-cv-20262Filed 01/20/2017
Rodriguez v. Quest Diagnostics, Inc

Labor Terminated District Court, N.D. IllinoisNo. 1:16-cv-10010Filed 10/25/2016
Herron v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, D. KansasNo. 2:16-cv-02646Filed 09/23/2016
Cauley v. Quest Diagnostics, Inc

Labor Terminated District Court, M.D. FloridaNo. 5:16-cv-00543Filed 08/31/2016
Sullivan v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:16-cv-03015Filed 08/18/2016
Castillo v. Quest Diagnostics, Inc

Civil Rights Terminated District Court, N.D. IllinoisNo. 1:16-cv-07771Filed 08/01/2016
Quest Diagnostics Inc v. United States

Real Property Terminated United States Court of Federal ClaimsNo. 1:16-cv-00277Filed 02/29/2016
Validum v. Examone/Quest Diagnostics

Civil Rights Terminated District Court, S.D. New YorkNo. 1:15-cv-09868Filed 12/17/2015
Doe v. Quest Diagnostics, Inc

Personal Property / Fraud Terminated District Court, S.D. New YorkNo. 1:15-cv-08992Filed 11/16/2015
Quest Diagnostics Incorporated v. D'Ascoli

Contract Terminated District Court, D. New JerseyNo. 2:15-cv-07943Filed 11/06/2015
Quest Diagnostics Incorporated v. D'Ascoli

Contract Terminated District Court, D. New JerseyFiled 11/06/2015
Nance v. Quest Diagnostics, Inc

RICO / Consumer / Other Statutes Terminated District Court, M.D. FloridaNo. 8:15-cv-02230Filed 09/24/2015
Gomez v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, S.D. FloridaNo. 1:15-cv-22821Filed 07/29/2015
Freeman v. Quest Diagnostics, Inc

Civil Rights Terminated District Court, W.D. PennsylvaniaNo. 2:15-cv-00932Filed 07/17/2015
Francois v. Quest Diagnostics Laboratories

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:15-cv-02241Filed 06/22/2015
Data Carriers, LLC v. Quest Diagnostics Incorporated

Patent Terminated District Court, E.D. TexasNo. 2:15-cv-01024Filed 06/12/2015
Rollins v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, E.D. New YorkNo. 2:15-cv-01966Filed 04/09/2015
Greco v. Quest Diagnostics Incorporated

Labor Terminated District Court, D. New JerseyNo. 2:15-cv-01544Filed 03/02/2015
Ruhter v. Quest Diagnostics Clinical Laboratories, Inc

Labor Terminated District Court, W.D. TexasNo. 1:15-cv-00017Filed 01/12/2015
Greco v. Quest Diagnostics Incorporated

Labor Terminated District Court, E.D. PennsylvaniaNo. 2:15-cv-00045Filed 01/07/2015
Miller v. Quest Diagnostics

RICO / Consumer / Other Statutes Terminated District Court, W.D. MissouriNo. 2:14-cv-04278Filed 10/15/2014
MacEwen v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, M.D. FloridaNo. 8:14-cv-02066Filed 08/25/2014
Palmieri v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, E.D. New YorkNo. 1:14-cv-04374Filed 07/18/2014
Fowler-Tebyasa v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, E.D. MissouriNo. 4:14-cv-01106Filed 06/17/2014
Howard v. Quest Diagnostics Incorporated

Contract Terminated District Court, M.D. FloridaNo. 8:14-cv-01397Filed 06/11/2014
Presqriber, LLC v. Quest Diagnostics Incorporated

Patent Terminated District Court, E.D. TexasNo. 6:14-cv-00462Filed 05/08/2014
Hansen v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, D. NevadaNo. 2:14-cv-00442Filed 03/25/2014
Wilson v. Quest Diagnostics, Inc

Labor Terminated District Court, E.D. PennsylvaniaNo. 2:14-cv-01441Filed 03/11/2014
Quest Diagnostics Incorporated v. Myriad Genetics, Inc

Civil Rights Terminated District Court, D. UtahNo. 2:14-cv-00152Filed 03/03/2014
Unglesbee v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, D. MarylandNo. 1:14-cv-00584Filed 02/27/2014
Quest Diagnostics Incorporated v. National Asset Management, LLC

Contract Terminated District Court, D. New JerseyNo. 2:14-cv-00433Filed 01/23/2014
Johnson v. Quest Diagnostics Incorporated DBA Invoice Audit Services

Federal Tax / Statutory Actions Terminated District Court, N.D. IllinoisNo. 1:13-cv-09149Filed 12/23/2013
Quest Diagnostics Incorporated v. At Point of CARE360, LLC

Trademark Terminated District Court, D. New JerseyNo. 2:13-cv-07583Filed 12/16/2013
Cadett v. Quest Diagnostics LLC

Civil Rights Terminated District Court, D. ConnecticutNo. 3:13-cv-01732Filed 11/20/2013
Jones v. Ameripath-Indiana/Quest Diagnostics

Civil Rights Terminated District Court, S.D. IndianaNo. 1:13-cv-01719Filed 10/25/2013
University of Utah Research Foundation v. Quest Diagnostics

Patent Terminated District Court, D. UtahNo. 2:13-cv-00967Filed 10/22/2013
Gomez v. Quest Diagnostics Incorporated

RICO / Consumer / Other Statutes Terminated District Court, M.D. FloridaNo. 8:13-cv-02538Filed 10/03/2013
Hunter Laboratories, LLC v. Quest Diagnostics Incorporated

Other Civil Terminated District Court, E.D. VirginiaNo. 1:13-cv-01129Filed 09/09/2013
Weir v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, S.D. FloridaNo. 0:13-cv-61772Filed 08/15/2013
Collins v. Quest Diagnostics Nichols Institute

Labor Terminated District Court, D. MarylandNo. 1:13-cv-01542Filed 05/28/2013
Evans v. Quest Diagnostics Clinical Laboratories, Inc

Labor Terminated District Court, N.D. GeorgiaNo. 1:13-cv-01295Filed 04/19/2013
Patient Care Associates LLC v. Quest Diagnostics Incorporated

Labor Terminated District Court, D. New JerseyNo. 2:13-cv-02399Filed 04/15/2013
Pinckney v. Quest Diagnostics

Civil Rights Terminated District Court, D. New JerseyNo. 2:13-cv-00566Filed 01/25/2013
Woods v. Ameripath/Quest Diagnostics

Civil Rights Terminated District Court, N.D. TexasNo. 3:13-cv-00290Filed 01/23/2013
Cole v. Quest Diagnostics

Civil Rights Terminated District Court, D. KansasNo. 2:13-cv-02017Filed 01/08/2013
Davison-Gill v. Quest Diagnostics Company

Civil Rights Terminated District Court, W.D. MissouriNo. 4:12-cv-01138Filed 09/05/2012
Jones v. Quest Diagnostics Incorporated

Labor Terminated District Court, E.D. PennsylvaniaNo. 2:12-cv-05064Filed 09/04/2012
May v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, W.D. WashingtonNo. 3:12-cv-05734Filed 08/17/2012

Showing 101–150 of 293