AI boom raises patent stakes for Korean chipmakers

The artificial intelligence chip boom is opening a new legal front for South Korean chipmakers, with Samsung Electronics and SK hynix facing a US class action alleging they coordinated cuts in conventional DRAM supply while shifting capacity toward more profitable high-bandwidth memory. The lawsuit, which also names US memory chipmaker Micron Technology, claims the companies’ production decisions constrained conventional DRAM supply and drove up prices. John Quinn, founder and chairman of US lit