Chinese compound chip stocks surge after Supreme Court blocks Infineon in GaN patent case

Chinese compound chip stocks surge after Supreme Court blocks Infineon in GaN patent caseA decision by China’s Supreme People’s Court on Friday upheld a lower court’s injunction issued against the German company in May2-MIN READ2-MIN1ListenPublished: 6:00pm, 15 Jun 2026A Chinese ban on German chip giant Infineon Technologies selling gallium nitride (GaN) products in mainland China triggered a spike in domestic semiconductor stocks on Monday, as the landmark patent dispute was expected to reshape the country’s “third-generation” chip sector.A decision by China’s Supreme People’s Court on Friday upheld a lower court’s injunction issued against the German company in May, according to a statement released by domestic rival Innoscience.The lower court found that Infineon infringed on two core GaN patents held by Innoscience, ordering it to immediately cease all Chinese sales and imports of the infringing products and pay 10 million yuan (US$1.47 million) in damages, the statement said.Select VoiceSelect Speed0.8x0.9x1.0x1.1x1.2x1.5x1.75x00:0000:001.00x