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Munich District Court rules in favour of Infineon in patent infringement cases against Innoscience

1 d ago

The Munich District Court has ruled in favor of Infineon Technologies AG in two additional patent infringement cases against China-based Innoscience (Suzhou) Technology Holding Co Ltd concerning gallium nitride (GaN) technology. The rulings, dated 19 June 2026, prohibit Innoscience from manufacturing, selling, and marketing the infringing products in Germany, and order the company to pay damages to Infineon. Infineon stated that this marks Innoscience’s third and fourth legal defeats, with courts and authorities in both Germany and the USA repeatedly finding that Innoscience’s products infringe Infineon’s intellectual property rights. Prior decisions include a German ruling on 1 August 2025 and a US International Trade Commission (ITC) decision on 7 May 2026. In response, Innoscience claimed that the Munich rulings confirm its currently marketed GaN power devices do not infringe Infineon’s asserted German patents, thus unaffected by the injunction. The company said the cases only concern a limited set of legacy products (certain packaged 650–700V transistors) that have already been discontinued. Innoscience also noted that on 12 June, the Supreme People’s Court of China issued a final review decision sustaining a sales injunction against Infineon, barring the sale of relevant GaN products in mainland China. Innoscience argued that these rulings reaffirm the legality of its current product portfolio and its ability to operate freely in key global markets. Additional proceedings regarding other Infineon patents are pending in the USA and Germany. Infineon’s senior VP Johannes Schoiswohl emphasized the value of Infineon’s GaN portfolio and commitment to defending intellectual property and fair competition.