Company · Auto & Vehicle Manufacturing

Gentex Corporation

Federal civil lawsuits naming Gentex Corporation, a Auto & Vehicle Manufacturing company.

Public CompanyAuto & Vehicle Manufacturing

Ticker: Nasdaq: GNTX
Business: Motor Vehicle Parts & Accessories
Headquarters: Zeeland, MI
Incorporated in: Michigan
SEC CIK: 355811

Gentex Corporation is a public company in Motor Vehicle Parts & Accessories, based in Zeeland, MI (traded on Nasdaq as GNTX, incorporated in Michigan). It appears in 39 federal civil lawsuits in this index, most often as a defendant (25 of 39). These cases are most often Patent and Contract matters, filed between 1990 and 2025, most frequently in District Court, W.D. Michigan. The most common causes of action are Breach of Contract, Patent Infringement, and Trademark. Frequent opposing parties include Donnelly Corporation, Helicopter Helmet, LLC, and Abbott.

Lawsuits

As Defendant

As Plaintiff

Open

Terminated

1990–2025

Span

14 mo

Median Duration

1.1 cases/yrNamed as defendant in 64% of casesRecent filings down

Cases by State

Open Cases Over Time

1990peak 5 open2025

Case Types Over Time

19902025

PatentContractCivil RightsFederal Tax / Statutory ActionsLabor

Filings by Year

19902025

Case Types filter →

Patent13

Contract9

Civil Rights7

Federal Tax / Statutory Actions2

Labor2

Product Liability2

Where Filed filter →

Frequent Opposing Parties

39 Cases — Newest First

Adams v. Gentex Corporation

Labor Open District Court, W.D. MichiganNo. 1:25-cv-00370Filed 04/03/2025
Vienna Establishments, Limited D/B/A Tradeways Ltd v. Gentex Corporation

Contract Terminated District Court, M.D. PennsylvaniaNo. 3:22-cv-00727Filed 05/17/2022
Contreras v. Gentex Corporation

Civil Rights Terminated District Court, S.D. New YorkNo. 1:21-cv-11203Filed 12/30/2021
Gentex Corporation v. Meta Platforms, Inc

Patent Terminated District Court, W.D. TexasNo. 6:21-cv-00755Filed 07/22/2021
Helminski v. Gentex Corporation

Civil Rights Terminated District Court, W.D. MichiganNo. 1:21-cv-00340Filed 04/22/2021
Gentex Corporation v. Plotkin

Contract Terminated District Court, D. MarylandNo. 1:20-cv-02637Filed 09/14/2020
Gentex Corporation v. Superior Mold Company

Contract Terminated District Court, E.D. PennsylvaniaNo. 2:20-cv-00632Filed 02/03/2020
Ambriz v. Gentex Corporation

Labor Terminated District Court, W.D. MichiganNo. 1:19-cv-00764Filed 09/17/2019
Gentex Corporation v. Traffic and Parking Control Co Inc

Patent Terminated District Court, E.D. WisconsinNo. 2:19-cv-00901Filed 06/19/2019
Gentex Corporation v. Galvion Ltd

Patent Terminated District Court, D. DelawareNo. 1:19-cv-00921Filed 05/17/2019
Zalvin v. Gentex Corporation

Securities / Commodities Terminated District Court, E.D. New YorkNo. 1:19-cv-02215Filed 04/16/2019
McNaughton v. Gentex Corporation

Civil Rights Terminated District Court, M.D. PennsylvaniaNo. 3:18-cv-01940Filed 10/09/2018
Gentex Corporation v. Helicopter Helmet, LLC

Contract Terminated District Court, M.D. PennsylvaniaNo. 4:17-cv-01136Filed 06/27/2017
Helicopter Helmet, LLC v. Gentex Corporation

Federal Tax / Statutory Actions Terminated District Court, M.D. FloridaNo. 6:17-cv-01191Filed 06/26/2017
Helicopter Helmet, LLC v. Gentex Corporation

Antitrust Terminated District Court, D. DelawareNo. 1:17-cv-00497Filed 05/01/2017
Rogers v. Gentex Corporation

Contract Terminated District Court, M.D. PennsylvaniaNo. 3:16-cv-00137Filed 01/26/2016
Gentex Corporation v. Abbott

Contract Terminated District Court, E.D. New YorkNo. 1:14-mc-01247Filed 10/07/2014
Gentex Corporation v. Abbott

Trademark Terminated District Court, M.D. PennsylvaniaNo. 3:12-cv-02549Filed 12/19/2012
Gentex Corporation v. Abbott

Trademark Terminated District Court, M.D. PennsylvaniaNo. 3:12-cv-02549Filed 12/19/2012
Liuzzo v. Gentex Corporation

Civil Rights Terminated District Court, M.D. PennsylvaniaNo. 3:10-cv-00329Filed 02/15/2010
K.W. Muth Company, Inc v. Gentex Corporation

Patent Terminated District Court, W.D. WisconsinNo. 3:06-cv-00378Filed 07/11/2006
Gentex Corporation v. K. W. Muth Company, Incorporated

Patent Terminated District Court, E.D. MichiganNo. 2:06-cv-12900Filed 06/29/2006
Coone v. Gentex Corporation

Civil Rights Terminated District Court, W.D. MichiganNo. 1:05-cv-00485Filed 07/18/2005
Mid-West Spring & Stamping, Inc v. Gentex Corporation

Federal Tax / Statutory Actions Terminated District Court, N.D. IndianaNo. 3:04-cv-00337Filed 05/28/2004
Allied Materials & Equipment Co., Inc v. Gentex Corporation

Contract Terminated District Court, W.D. MissouriNo. 4:00-cv-00692Filed 07/10/2000
Wasnock v. Gentex Corporation

Civil Rights Terminated District Court, M.D. PennsylvaniaNo. 3:00-cv-00061Filed 01/11/2000
Wasnock v. Gentex Corporation

Civil Rights Terminated District Court, E.D. PennsylvaniaNo. 2:99-cv-05283Filed 10/25/1999
Hafermann v. Gentex Corporation

Product Liability Terminated District Court, W.D. WashingtonNo. 3:99-cv-05471Filed 09/09/1999
Gentex Corporation v. Donnelly Corporation

Patent Terminated District Court, W.D. MichiganNo. 4:95-cv-00120Filed 06/23/1995
Donnelly Corporation v. Gentex Corporation

Patent Terminated District Court, W.D. MichiganNo. 1:94-cv-00695Filed 10/13/1994
C-D Mkt Ltd v. Gentex Corp

Patent Terminated District Court, E.D. MichiganNo. 2:94-cv-70501Filed 02/10/1994
Donnelly Corporation v. Gentex Corporation

Patent Terminated District Court, W.D. MichiganFiled 07/08/1993
Donnelly Corporation v. Gentex Corporation

Patent Terminated District Court, W.D. MichiganNo. 1:93-cv-00530Filed 07/08/1993
Gentex Corporation v. Donnelly Corporation

Patent Terminated District Court, W.D. MichiganNo. 1:93-cv-00430Filed 06/07/1993
Donnelly Corporation v. Gentex Corporation

Patent Terminated District Court, W.D. MichiganNo. 1:90-cv-00409Filed 05/10/1990
Gentex Corporation v. Donnelly Corporation

Patent Terminated District Court, W.D. MichiganNo. 5:90-cv-00039Filed 05/10/1990
Manzo (Exe), Kathleen v. Gentex Corporation

Product Liability Terminated District Court, N.D. OhioFiled 01/18/1990
Uvex Winter Oprtik G M B H v. Gentex Corp

Contract Terminated District Court, D. Rhode IslandFiled 12/22/1989
Gentex Corporation v. Establissement Eurolens

Contract Terminated District Court, E.D. PennsylvaniaFiled 10/02/1987