YMTC, a Chinese chipmaker, files a lawsuit against Micron, claiming patent infringement.

Farhan Shabir
By Farhan Shabir 3 Min Read

YMTC (Chinese chipmaker Yangtze Memory Technologies Co) has filed an action against U.S. rival Micron Technology(MU.O) professing the violation of eight patents.

YMTC filed the action against Micron and unit Micron Consumer Products Group on Nov. 9 at the U.S. District Court for the Northern District of California.

According to the action, Micron turned to YMTC’s patented technology to forfend off competition from YMTC and to gain and cover request share. It said Micron wasn’t paying its fair share to use the patented inventions.
” While we can not bandy the specifics of pending action, I can confirm that YMTC lately filed an action in the US District Court for the Northern District of California against Micron Technology, Inc. for violation of our company’s patents related to the design, manufacture, and operation of 3D NAND technology,” YMTC said in a statement to Reuters on Monday.” We’re confident that this matter will be resolved fleetly.”

Micron makes DRAM chips and NAND flash memory chips and competes with South Korea’s Samsung Electronics( 005930. KS) and SK Hynix( 000660. KS) as well as Japan’s Kioxia, a unit of Toshiba( 6502. T). YMTC is a much lower rival which was last time barred by the U.S. from buying certain American factors.

The U.S. in recent times has increased restrictions on exporting chipmaking technology to China on security grounds.
In May, China said Micron products failed a network security review and barred purchase of them by drivers of crucial structure.

Micron was bogged in a disagreement in 2018 involving Chinese state-backed chipmaker Fujian Jinhua which was indicted of- and which denied- trade secret theft. Later that time, its main products were subject to a temporary deals ban in China.

China was formerly Micron’s biggest request, generating half of its 20 billion profit in financial 2017. That share shrank to 16 in 2022, a time in which it closed DRAM operations in Shanghai.

Micron has said it remains married to China. In June, it said it would invest 4.3 billion yuan($ 590 million) in coming times in its chip- packaging factory in Xian megacity, and it displayed for the first time at a trade exhibit in Shanghai this month.

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