Company · Semiconductors & Chip Manufacturing

Infineon Technologies Ag

Federal civil lawsuits naming Infineon Technologies Ag, a Semiconductors & Chip Manufacturing company.

Public CompanySemiconductors & Chip Manufacturing

Ticker: OTC: IFNNY
Business: Semiconductors & Related Devices
Headquarters: Neubiberg, Munich, 2M
Incorporated in: Delaware
SEC CIK: 1107457

Infineon Technologies Ag is a public company in Semiconductors & Related Devices, based in Neubiberg, Munich, 2M (traded on OTC as IFNNY, incorporated in Delaware). It appears in 34 federal civil lawsuits in this index, most often as a defendant (26 of 34). These cases are most often Patent and Civil Rights matters, filed between 2003 and 2026, most frequently in District Court, W.D. Texas. The most common cause of action is Patent Infringement. Frequent opposing parties include Mosaid Technologies Inc, Wisconsin Alumni Research Foundation, and Volterra Semiconductor Corporation.

Lawsuits

As Defendant

As Plaintiff

Open

Terminated

2003–2026

Span

6 mo

Median Duration

1.4 cases/yrPredominantly defendant · 76%Patent-heavy · 74%Activity steady

Cases by State

Open Cases Over Time

2003peak 4 open2026

Case Types Over Time

20032026

PatentCivil RightsSecurities / CommoditiesLaborTrademark

Filings by Year

20032026

Case Types filter →

Patent25

Civil Rights5

Securities / Commodities2

Labor1

Trademark1

Where Filed filter →

Frequent Opposing Parties

34 Cases — Newest First

Helix Microinnovations LLC v. Infineon Technologies Ag

Patent Open District Court, E.D. TexasNo. 2:26-cv-00128Filed 02/17/2026
Mosaid Technologies Inc v. Infineon Technologies Ag

Patent Open District Court, W.D. TexasNo. 1:25-cv-00436Filed 03/25/2025
Mosaid Technologies Inc v. Infineon Technologies Ag

Patent Open District Court, W.D. TexasNo. 1:25-cv-00358Filed 03/10/2025
Chip Packaging Technologies, LLC v. Infineon Technologies Ag

Patent Open District Court, E.D. TexasNo. 2:25-cv-00147Filed 02/06/2025
Gamehancement LLC v. Infineon Technologies Americas Corp

Patent Terminated District Court, W.D. TexasNo. 6:23-cv-00843Filed 12/09/2023
NexGen Control Systems, LLC v. Infineon Technologies Ag

Patent Terminated District Court, D. DelawareNo. 1:23-cv-00315Filed 03/22/2023
Bell Semiconductor, LLC v. Infineon Technologies Americas Corp

Patent Terminated District Court, D. MassachusettsNo. 1:22-cv-11698Filed 10/05/2022
Bell Semiconductor, LLC v. Infineon Technologies Americas Corp

Patent Terminated District Court, D. MassachusettsNo. 1:22-cv-10634Filed 04/27/2022
Ocean Semiconductors LLC v. Infineon Technologies Ag

Patent Terminated District Court, D. MassachusettsNo. 1:20-cv-12311Filed 12/31/2020
Radent Licensing LLC v. Infineon Technologies Americas Corp

Patent Terminated District Court, D. DelawareNo. 1:20-cv-00578Filed 04/28/2020
Lucio Development LLC v. Infineon Technologies Americas Corporation

Patent Terminated District Court, W.D. TexasNo. 1:17-cv-01152Filed 12/11/2017
Williams v. Infineon Technologies Americas Corp

Civil Rights Terminated District Court, E.D. MichiganNo. 2:17-cv-12379Filed 07/24/2017
Infineon Technologies Austria Ag v. Volterra Semiconductor Corporation

Patent Terminated District Court, E.D. TexasNo. 2:13-cv-00684Filed 08/30/2013
Infineon Technologies Ag v. Atmel Corporation

Patent Terminated District Court, D. DelawareNo. 1:11-cv-00307Filed 04/11/2011
Infineon Technologies Ag v. Harthcock

Patent Terminated District Court, W.D. TexasNo. 1:10-cv-00316Filed 05/11/2010
Elpida Memory, Inc v. Infineon Technologies Ag

Civil Rights Terminated District Court, E.D. VirginiaNo. 2:10-cv-00152Filed 04/02/2010
Elpida Memory, Inc v. Infineon Technologies Ag

Patent Terminated District Court, E.D. VirginiaNo. 1:10-cv-00327Filed 04/02/2010
Infineon Technologies Ag v. Volterra Semiconductor Corporation

Patent Terminated District Court, D. DelawareNo. 1:10-cv-00047Filed 01/21/2010
Fairchild Semiconductor Corporation v. Infineon Technologies Ag

Patent Terminated District Court, D. DelawareNo. 1:09-cv-00739Filed 10/05/2009
Spa Syspatronic Ag v. Infineon Technologies North America Corporation

Patent Terminated District Court, E.D. PennsylvaniaNo. 2:09-cv-04060Filed 09/04/2009
Blair v. Infineon Technologies Ag

Labor Terminated District Court, D. DelawareNo. 1:09-cv-00295Filed 04/24/2009
Fairchild Semiconductor Corporation v. Infineon Technologies Ag

Patent Terminated District Court, D. MaineNo. 2:08-cv-00411Filed 11/28/2008
Third Dimension Semiconductor Inc v. Infineon Technologies North America Corp

Patent Terminated District Court, E.D. TexasNo. 6:08-cv-00129Filed 04/11/2008
Infineon Technologies Ag v. Infixeon, L.L.C

Trademark Terminated District Court, W.D. TexasNo. 1:07-cv-00039Filed 01/11/2007
Gewirtz v. Infineon Technologies Ag

Civil Rights Terminated District Court, D. New JerseyNo. 2:05-cv-04574Filed 09/20/2005
Gewirtz v. Infineon Technologies Ag

Civil Rights Terminated District Court, S.D. New YorkNo. 1:05-cv-06054Filed 06/29/2005
Mosaid Technologies Inc v. Infineon Technologies North America Corp

Patent Terminated District Court, E.D. TexasNo. 6:05-cv-00120Filed 04/06/2005
Burger v. Infineon Technologies Ag

Securities / Commodities Terminated District Court, S.D. New YorkNo. 1:04-cv-08513Filed 10/28/2004
Christierson v. Infineon Technologies Ag

Securities / Commodities Terminated District Court, S.D. New YorkNo. 1:04-cv-07917Filed 10/06/2004
Infineon Technologies Ag v. Wisconsin Alumni Research Foundation

Patent Terminated District Court, W.D. WisconsinNo. 3:04-cv-00548Filed 08/02/2004
Wisconsin Alumni Research Foundation v. Infineon Technologies Ag

Patent Terminated District Court, W.D. WisconsinNo. 3:04-cv-00394Filed 06/21/2004
Braden v. Infineon Technologies Ag

Civil Rights Terminated District Court, S.D. New YorkFiled 02/17/2004
Infineon Technologies Ag v. Green Power Technology Ltd

Patent Terminated District Court, District of ColumbiaNo. 1:03-mc-01565Filed 08/12/2003
Infineon Technologies Ag v. Green Power Technology Ltd

Patent Terminated District Court, District of ColumbiaNo. 1:03-cv-01565Filed 07/21/2003