Infineon Technologies Americas Corp. is the U.S. subsidiary of Infineon Technologies AG, a German-headquartered public company that designs and manufactures semiconductor devices. Founded on April 1, 1999, as a spin-off from Siemens, Infineon Technologies AG is a global leader in power systems and IoT semiconductors, with roughly 57,000 employees worldwide and revenue of approximately €14.7 billion in fiscal year 2025. Infineon Technologies Americas Corp. is headquartered in El Segundo, California, with additional offices in the U.S.
Infineon offers a broad range of microelectronic products and solutions for automotive, industrial, and multi-market sectors, as well as chip card and security products. Their product lines include microcontrollers, power semiconductors, sensors, memory, RF solutions, and integrated circuits for applications such as powertrains, comfort electronics, safety systems in vehicles, efficient power management, cellular infrastructure, and secure IoT devices.
In patent litigation, Infineon Technologies Americas Corp. primarily acts as an operating company defending its products, as indicated by its two defendant cases. However, it also engages in offensive litigation, with one recorded plaintiff case. All three tracked cases, including one before the Patent Trial and Appeal Board (PTAB) and two in the U.S. District Court for the Western District of Texas, involve MOSAID Technologies Inc.
The notable cases listed are Infineon Technologies Americas Corp. et al. v. MOSAID Technologies Inc. (PTAB, 2025-08-29) and two defendant cases, MOSAID Technologies Inc. v. Infineon Technologies Americas Corp. (Texas Western District Court, 2025-04-01) and Mosaid Technologies Inc. v. Infineon Technologies AG et al. (U.S. District Court for the Western District of Texas, 2025-03-25). MOSAID Technologies Inc. is an intellectual property management company, often characterized as a patent assertion entity (PAE) or non-practicing entity (NPE), known for licensing semiconductor and communications technology patents. MOSAID has a substantial patent portfolio, with many patents acquired from other sources, including former TSMC, Panasonic, and Nokia patents, focused on areas like FinFET and integrated circuit fabrication.