The U.S. International Trade Commission is investigating Ericsson’s claims that Apple violated its patents, PC World reports. Apple sued Ericsson in January, claiming Ericsson was charging too much for patents it holds and that the patents are no longer essential for the LTE technology in Apple’s iPhones, iPads and other cellular-enabled products. Ericsson counter-sued, arguing Apple had infringed on its patents and that the price demanded…