https://www.reuters.com/article/us-globalfoundries-tsmc-lawsuit/globalfoundries-seeks-to-ban-u-s-import-of-tsmc-clients-products-idUSKCN1VH0E9

Contract chipmaker GlobalFoundries has sued larger rival Taiwan Semiconductor Manufacturing Co (TSMC) for patent infringement, seeking to stop the defendant's customers including Apple from importing affected products to the United States and Germany.