Memory giant Micron (MU-US) sued wafer foundry UMC (2303-TW) (UMC-US) for stealing trade secrets, UMC reached a settlement with Micron in November last year, and the case was withdrawn globally, the Supreme Court today (17) On Japan, the suspended sentences and acquittal verdicts of 2 former directors of Micron Taiwan and 1 former director of UMC were revoked and sent back for a new trial. UMC paid 20 million yuan in compensation for the second trial and declared a suspended sentence for 2 years. The prosecution decided not to appeal.
The Intellectual Property and Commercial Court previously sentenced He Jianting, former director of Micron in Taiwan, and Wang Yongming to 1 year and 6 months in prison and suspended their sentences in the second instance. Rong Letian, associate director of UMC, was not guilty and the public prosecution was not accepted. However, the Supreme Court today revoked 3 Sentenced, sent back for trial.
In February 2017, Micron sued UMC in Taiwan for assisting China’s Fujian Jinhua in stealing Micron’s DRAM process, because three employees who had moved to UMC to steal Micron’s confidential information were later transferred to Jinhua. In December of the same year, Micron filed a lawsuit against UMC and Jinhua in California, USA, accusing Micron of violating Micron’s DRAM secrets; UMC also sued Micron for infringement in China in early 2018.
The U.S. Department of Justice then sued Fujian Jinhua and UMC for conspiring to steal Micron’s trade secrets. UMC reached a settlement with the DOJ in October 2020, admitting to infringing a trade secret, agreeing to pay the U.S. government a fine of $60 million, and 3 years of autonomous Manage probation periods in cooperation with the Department of Justice.
After years of litigation, UMC and Micron announced in November last year that they had reached a global settlement agreement.