Company · Semiconductors & Chip Manufacturing

On Semiconductor Corporation

Federal civil lawsuits naming On Semiconductor Corporation, a Semiconductors & Chip Manufacturing company.

Public CompanySemiconductors & Chip Manufacturing

Ticker: Nasdaq: ON
Business: Semiconductors & Related Devices
Headquarters: Scottsdale, AZ
Incorporated in: Delaware
SEC CIK: 1097864

On Semiconductor Corporation is a public company in Semiconductors & Related Devices, based in Scottsdale, AZ (traded on Nasdaq as ON, incorporated in Delaware). It appears in 30 federal civil lawsuits in this index, most often as a defendant (20 of 30). These cases are most often Patent and Securities / Commodities matters, filed between 2001 and 2025, most frequently in District Court, E.D. Texas. The most common causes of action are Patent Infringement and Securities. Frequent opposing parties include Samsung Electronics Co., Ltd, Power Integrations Inc, and Micro Processing Technology Incorporated.

Lawsuits

As Defendant

As Plaintiff

Open

Terminated

2001–2025

Span

6 mo

Median Duration

1.2 cases/yrPredominantly defendant · 67%Patent-heavy · 63%Activity steady

Cases by State

Open Cases Over Time

2001peak 3 open2025

Case Types Over Time

20012025

PatentSecurities / CommoditiesCivil RightsContractLabor

Filings by Year

20012025

Case Types filter →

Patent19

Securities / Commodities5

Civil Rights4

Contract1

Labor1

Where Filed filter →

Frequent Opposing Parties

30 Cases — Newest First

Freedom Patents LLC v. On Semiconductor Corporation

Patent Open District Court, E.D. TexasNo. 4:25-cv-01175Filed 10/24/2025
Helix Microinnovations LLC v. On Semiconductor Corporation

Patent Terminated District Court, W.D. TexasNo. 6:24-cv-00402Filed 08/04/2024
Lew v. On Semiconductor Corporation

Securities / Commodities Open District Court, D. ArizonaNo. 2:24-cv-00594Filed 03/20/2024
Hubacek v. On Semiconductor Corporation

Securities / Commodities Terminated District Court, D. DelawareNo. 1:23-cv-01429Filed 12/13/2023
American Patents LLC v. On Semiconductor Corporation

Patent Terminated District Court, W.D. TexasNo. 6:22-cv-00772Filed 07/12/2022
Cdn Innovations, LLC v. On Semiconductor Corporation

Patent Terminated District Court, W.D. TexasNo. 6:20-cv-00446Filed 05/29/2020
Cedar Lane Technologies Inc v. On Semiconductor Corporation

Patent Terminated District Court, W.D. TexasNo. 1:20-cv-00414Filed 04/17/2020
Aido LLC v. On Semiconductor Corporation

Patent Terminated District Court, D. DelawareNo. 1:19-cv-01110Filed 06/17/2019
Diff Scale Operation Research, LLC v. On Semiconductor Corporation

Patent Terminated District Court, E.D. TexasNo. 2:18-cv-00077Filed 03/13/2018
On Semiconductor Corporation v. Power Integrations, Inc

Patent Terminated District Court, D. DelawareNo. 1:17-cv-00247Filed 03/09/2017
On Semiconductor Corporation v. Micro Processing Technology Incorporated

Patent Terminated District Court, M.D. FloridaNo. 8:17-cv-00322Filed 02/09/2017
On Semiconductor Corporation v. Power Integrations Inc

Patent Terminated District Court, E.D. TexasNo. 2:16-cv-01451Filed 12/27/2016
On Semiconductor Corporation v. Power Integrations Incorporated

Patent Terminated District Court, D. ArizonaNo. 2:16-cv-02720Filed 08/11/2016
On Semiconductor Corporation v. Micro Processing Technology Incorporated

Patent Terminated District Court, D. ArizonaNo. 2:16-cv-01055Filed 04/14/2016
Tempesta v. On Semiconductor Corporation

Civil Rights Terminated District Court, D. ArizonaNo. 2:15-cv-00608Filed 04/05/2015
On Semiconductor Corporation v. Cmosis N.V

Patent Terminated District Court, E.D. TexasNo. 2:14-cv-00001Filed 01/02/2014
On Semiconductor Corporation v. Plasma-Therm Corporation

Patent Terminated District Court, D. ArizonaNo. 2:13-cv-02234Filed 10/31/2013
Goodman v. On Semiconductor Corp

Patent Terminated District Court, S.D. TexasNo. 4:13-cv-01542Filed 05/27/2013
Tate v. On Semiconductor

Civil Rights Terminated District Court, D. OregonNo. 3:10-cv-00665Filed 06/09/2010
On Semiconductor Corporation v. Hynix Semiconductor Inc

Patent Terminated District Court, E.D. TexasNo. 6:09-cv-00390Filed 08/28/2009
On Semiconductor Corporation v. Samsung Electronics Co. Ltd

Patent Terminated District Court, D. DelawareNo. 1:07-cv-00449Filed 07/19/2007
On Semiconductor Corporation v. Samsung Electronics Co., Ltd

Patent Terminated District Court, E.D. TexasNo. 6:06-cv-00523Filed 12/04/2006
Samsung Electronics Co. Ltd v. On Semiconductor Corp

Patent Terminated District Court, D. DelawareNo. 1:06-cv-00720Filed 11/30/2006
Rep One Associates v. On Semiconductor Inc

Contract Terminated District Court, N.D. AlabamaNo. 5:03-cv-01275Filed 05/29/2003
Brodeur-Wert, LLC v. On Semiconductor

Labor Terminated District Court, M.D. FloridaNo. 6:03-cv-00664Filed 05/22/2003
Benton v. On Semiconductor

Civil Rights Terminated District Court, D. ArizonaNo. 2:02-cv-01712Filed 08/30/2002
Bernier v. On Semiconductor

Civil Rights Terminated District Court, D. Rhode IslandNo. 1:02-cv-00180Filed 04/16/2002
Cohen v. On Semiconductor

Securities / Commodities Terminated District Court, S.D. New YorkNo. 1:01-cv-06942Filed 07/27/2001
Breuer v. On Semiconductor

Securities / Commodities Terminated District Court, S.D. New YorkNo. 1:01-cv-06287Filed 07/11/2001
On Semiconductor Ipo v. On Semiconductor

Securities / Commodities Terminated District Court, S.D. New YorkNo. 1:01-cv-06114Filed 07/05/2001