July 3, 2026. The Munich I Regional Court today ruled in favor of Infineon in yet another patent infringement case between Infineon Technologies and Innoscience involving gallium nitride (GaN) technology. The proceedings concern the unauthorized use of GaN technologies patented by Infineon by the Chinese company Innoscience.
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With today’s rulings, the court has prohibited Innoscience from importing any further patent-infringing products into Germany, as well as from selling and marketing them in Germany. Furthermore, the court has ordered Innoscience to pay damages to Infineon.
This ruling marks yet another legal defeat for Innoscience in a series of court cases in which it has been determined in each instance that Innoscience’s products infringe Infineon’s patents. Courts and authorities in the U.S. and Germany have repeatedly—most recently on June 18, 2026—found that Innoscience’s products infringe on Infineon’s intellectual property rights. As early as August 1, 2025, the Munich court had already ruled against Innoscience in an initial German proceeding. In addition, on May 7, 2026, the Full Commission of the U.S. International Trade Commission (ITC) found that Innoscience had infringed an Infineon patent in the field of GaN technology. Additional proceedings regarding the infringement of other Infineon patents are pending in the U.S.
GaN plays a central role in the development of high-performance and energy-efficient power supply systems for a wide range of applications, including renewable energy technologies, data centers, industrial automation, and electric vehicles.
Infineon is continuously expanding its position as a leading Integrated Device Manufacturer (IDM) in the GaN market. The company has the industry’s broadest patent portfolio, comprising approximately 450 GaN patent families. Infineon is committed to fostering innovation and is constantly driving the development of semiconductor technologies to address the world’s most pressing challenges—from decarbonization to digital transformation.
Infineon Technologies AG is a global leader in semiconductor solutions for power systems and the Internet of Things (IoT). With its products and solutions, Infineon is driving decarbonization and digitalization. The company employs approximately 57,000 people worldwide (as of the end of September 2025) and generated revenue of approximately 14.7 billion euros in fiscal year 2025 (ending in September).
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