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Chinese memory manufacturer YMTC has filed a lawsuit against U.S.-based Micron in California, alleging infringement of 11 patents related to 3D NAND Flash and DRAM products. YMTC seeks to halt Micron's sales of the allegedly infringing products in the U.S. and demands royalty payments. Founded in Wuhan, China, in 2016, YMTC is a key player in China's efforts to develop a domestic chip industry. However, in October 2022, the U.S. government placed YMTC on its Entity List, restricting its access to advanced U.S. manufacturing equipment for 3D NAND chips with 128 layers or more.
Before these restrictions, YMTC had obtained certification from Apple for its 128-layer 3D NAND chips, with the US tech giant considering using YMTC chips to reduce costs and diversify its supply chain beyond Samsung, SK Hynix and Micron. The lawsuit specifically targets Micron's 3D NAND Flash products with 96, 128, 176, and 232 layers, as well as certain DDR5 SDRAM products. This legal action follows a similar suit filed by YMTC against Micron in November, alleging infringement of eight U.S. patents related to 3D NAND Flash. With government backing, Chinese firms are increasingly engaging in patent litigation both domestically and internationally. Last year alone, Chinese courts handled over 5,000 technical intellectual property and monopoly cases.
View at TechPowerUp Main Site | Source
Before these restrictions, YMTC had obtained certification from Apple for its 128-layer 3D NAND chips, with the US tech giant considering using YMTC chips to reduce costs and diversify its supply chain beyond Samsung, SK Hynix and Micron. The lawsuit specifically targets Micron's 3D NAND Flash products with 96, 128, 176, and 232 layers, as well as certain DDR5 SDRAM products. This legal action follows a similar suit filed by YMTC against Micron in November, alleging infringement of eight U.S. patents related to 3D NAND Flash. With government backing, Chinese firms are increasingly engaging in patent litigation both domestically and internationally. Last year alone, Chinese courts handled over 5,000 technical intellectual property and monopoly cases.
View at TechPowerUp Main Site | Source
