The European Commission has tweaked draft patent rules to make it easier for patent holders to sue companies over royalty disputes following criticism that an earlier draft favoured users while restricting patent owners from seeking injunctions.
The United States asked South Korea to urge its chipmakers not to fill any market gap in China if Beijing bans memory chipmaker Micron from selling chips, the Financial Times reported on Sunday.
ASML Holding NV beat first-quarter earnings forecasts on Wednesday on continued strong demand for its chip making equipment, but noted some signs of caution among customers.
Taiwanese chipmaker TSMC said on Monday it is communicating with Washington about its "guidance" for a law designed to boost U.S. semiconductor manufacturing that has sparked concerns about subsidy criteria.
Japan has seen its share of the semiconductor market fall from 50% in the late 1980s to about 10% but still hosts some of the most advanced chipmaking equipment manufacturers, making it relevant to U.S. attempts to curb technology exports to China.