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 292 federal civil lawsuits in this index, most often as a defendant (266 of 292). These cases are most often Civil Rights and Labor matters, filed between 1996 and 2025, most frequently in District Court, D. New Jersey. Frequent opposing parties include Quest Diagnostics, Quest Diagnostics Inc, and Thomas.

292

Lawsuits

266

As Defendant

As Plaintiff

Open

276

Terminated

1996–2025

Span

9 mo

Median Duration

9.7 cases/yrPredominantly defendant · 91%Civil Rights-heavy · 43%Activity declining

Cases by State

AK · 2

Open Cases Over Time

1996peak 30 open2025

Case Types Over Time

19962025

Civil RightsLaborContractPersonal Property / FraudFederal Tax / Statutory Actions

Filings by Year

19962025

Case Types filter →

Civil Rights126

Labor48

Contract41

Personal Property / Fraud33

Federal Tax / Statutory Actions15

RICO / Consumer / Other Statutes12

Where Filed filter →

Frequent Opposing Parties

292 Cases — Newest First

Wolff v. Quest Diagnostics Incorporated

Civil Rights Open District Court, E.D. New YorkNo. 2:25-cv-02429Filed 05/01/2025
Wolff v. Quest Diagnostics Incorporated

Civil Rights Open District Court, E.D. New YorkNo. 1:25-cv-02429Filed 05/01/2025
Jones v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, S.D. AlabamaNo. 1:23-cv-00433Filed 11/15/2023
Cole v. Quest Diagnostics, Inc

Personal Property / Fraud Terminated District Court, D. New JerseyNo. 2:23-cv-20647Filed 09/25/2023
Pope v. Quest Diagnostics Incorporated

Labor Terminated District Court, E.D. VirginiaNo. 4:23-cv-00080Filed 06/19/2023
Peoples v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, M.D. FloridaNo. 6:23-cv-00724Filed 04/20/2023
Ager v. Quest Diagnostics Incorporated

Contract Terminated District Court, M.D. FloridaNo. 8:23-cv-00285Filed 02/09/2023
Morales v. Quest Diagnostics Incorporated

Labor Terminated District Court, D. New JerseyNo. 2:23-cv-00118Filed 01/10/2023
Edwards v. Quest Diagnostics

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:22-cv-05052Filed 12/22/2022
Quest Diagnostics Incorporated v. Heathwood Assisted Living at Penfield, Inc

Contract Terminated District Court, W.D. New YorkNo. 6:22-cv-06563Filed 12/19/2022
Quest Diagnostics Incorporated v. The Gerry Homes

Contract Terminated District Court, W.D. New YorkNo. 1:22-cv-00963Filed 12/09/2022
Quest Diagnostics Incorporated v. Heritage Village Rehab and Skilled Nursing, Inc

Contract Terminated District Court, W.D. New YorkNo. 1:22-cv-00962Filed 12/09/2022
Quest Diagnostics Incorporated v. Heritage Village Rehab and Skilled Nursing, Inc

Contract Terminated District Court, W.D. New YorkNo. 6:22-cv-06551Filed 12/09/2022
Quest Diagnostics Incorporated v. The Gerry Homes

Contract Terminated District Court, W.D. New YorkNo. 6:22-cv-06550Filed 12/09/2022
Certain Underwriters at Lloyd's Syndicate 3624 Subscribing to Policy Number MPL4195264.19 v. Quest Diagnostics

Contract Terminated District Court, S.D. New YorkNo. 7:22-cv-08763Filed 10/14/2022
Perlin v. Quest Diagnostics, Inc

Contract Terminated District Court, S.D. FloridaNo. 0:22-cv-61803Filed 09/23/2022
Quest Diagnostics Incorporated v. Elarja

Federal Tax / Statutory Actions Terminated District Court, D. NevadaNo. 2:22-cv-00647Filed 04/19/2022
Behr v. Quest Diagnostics Incorporated Credit Control Services, Inc

RICO / Consumer / Other Statutes Terminated District Court, M.D. FloridaNo. 8:22-cv-00571Filed 03/11/2022
Quest Diagnostics Incorporated v. Sprain Brook Manor Rehabilitation

Contract Terminated District Court, S.D. New YorkNo. 7:22-cv-00962Filed 02/03/2022
Quest Diagnostics Incorporated v. Adria at Riverside Rehabilitation & Nursing

Contract Terminated District Court, S.D. New YorkNo. 7:22-cv-00957Filed 02/03/2022
Harris v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:21-cv-05291Filed 12/27/2021
Brito v. Quest Diagnostics Incorporated

Labor Terminated District Court, E.D. New YorkNo. 2:21-cv-07019Filed 12/20/2021
Black v. Quest Diagnostics Incorporated

Labor Terminated District Court, D. New JerseyNo. 2:21-cv-20066Filed 11/18/2021
Vitanovich v. Quest Diagnostics, Inc

RICO / Consumer / Other Statutes Terminated District Court, W.D. PennsylvaniaNo. 2:21-cv-01115Filed 08/23/2021
Hagins v. Quest Diagnostics, LLC

Labor Terminated District Court, D. ConnecticutNo. 3:21-cv-01119Filed 08/20/2021
Suggs v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, D. New JerseyNo. 2:21-cv-14540Filed 08/03/2021
Leveridge v. Quest Diagnostics Inc

Civil Rights Terminated District Court, S.D. TexasNo. 4:21-cv-02030Filed 06/21/2021
Graham v. Quest Diagnostics, Inc

RICO / Consumer / Other Statutes Terminated District Court, E.D. PennsylvaniaNo. 2:20-cv-06482Filed 12/23/2020
Less v. Quest Diagnostics Incorporated

RICO / Consumer / Other Statutes Terminated District Court, N.D. OhioNo. 3:20-cv-02546Filed 11/12/2020
Thacker v. Quest Diagnostics, Inc

Labor Terminated District Court, D. AlaskaNo. 3:20-cv-00283Filed 11/06/2020
McGee v. Quest Diagnostics

Civil Rights Terminated District Court, W.D. MissouriNo. 4:20-cv-00884Filed 11/04/2020
Ravgen, Inc v. Quest Diagnostics Incorporated

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00972Filed 10/16/2020
Equal Employment Opportunity Commission v. Quest Diagnostics Inc

Civil Rights Terminated District Court, N.D. TexasNo. 3:20-cv-02939Filed 09/23/2020
Rivera v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, M.D. FloridaNo. 8:20-cv-02102Filed 09/08/2020
In Re Quest Diagnostics Erisa Litigation

Labor Terminated District Court, D. New JerseyNo. 2:20-cv-07936Filed 06/29/2020
Weber v. Quest Diagnostics of Pennsylvania, Inc

Personal Property / Fraud Terminated District Court, W.D. New YorkNo. 6:20-cv-06154Filed 03/13/2020
Weber v. Quest Diagnostics of Pe, Et Al

Personal Property / Fraud Open District Court, W.D. New YorkFiled 03/13/2020
Gates v. Quest Diagnostics

Civil Rights Terminated District Court, D. KansasNo. 2:20-cv-02096Filed 03/02/2020
Quest Diagnostics Incorporated v. Evexia Diagnostics, Inc

Contract Terminated District Court, D. ConnecticutNo. 3:20-cv-00122Filed 01/28/2020
Mills v. Quest Diagnostics Clinical Laboratories, Inc

Labor Terminated District Court, D. KansasNo. 2:20-cv-02042Filed 01/27/2020
Eire v. Quest Diagnostics

Labor Terminated District Court, S.D. FloridaNo. 1:19-cv-24426Filed 10/28/2019
Bowen v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, S.D. FloridaNo. 0:19-cv-62664Filed 10/24/2019
Skorcz v. Quest Diagnostics Clinical Laboratories Inc

Civil Rights Terminated District Court, E.D. ArkansasNo. 5:19-cv-00285Filed 09/06/2019
Shane Dragoo v. Quest Diagnostics Incorporated

Personal Property / Fraud Terminated District Court, D. New JerseyNo. 2:19-cv-17638Filed 09/05/2019
Carroll v. Quest Diagnostics, Inc

Personal Property / Fraud Open District Court, D. New JerseyNo. 2:19-cv-17038Filed 08/22/2019
Cinelli v. Quest Diagnostics Incorporated

Personal Property / Fraud Terminated District Court, D. New JerseyNo. 2:19-cv-16982Filed 08/20/2019
Sean DeMarco v. Quest Diagnostics Incorporated

Personal Property / Fraud Open District Court, D. New JerseyNo. 2:19-cv-16685Filed 08/14/2019
Ryan v. Quest Diagnostics, Inc

Personal Property / Fraud Open District Court, D. New JerseyNo. 2:19-cv-16666Filed 08/14/2019
Webb v. Quest Diagnostics Incorporated

Personal Property / Fraud Open District Court, D. New JerseyNo. 2:19-cv-16670Filed 08/14/2019
Chuha v. Quest Diagnostics Incorporated

Personal Property / Fraud Open District Court, D. New JerseyNo. 2:19-cv-16601Filed 08/13/2019

Showing 1–50 of 292