Samsung's Galaxy S 4 isn't even available yet, but already it's being eyed for possible patent infringement. According to a report from Korea's Yonhap News, LG suspects the S 4 might violate eye-tracking patents used in the Optimus G Pro. At the crux of this squabble is a patent LG applied for in 2009, though the company also plans to investigate whether Samsung infringed other eye-tracking patents dating back to 2005. So far, of course, Samsung has denied any wrongdoing, saying its eye-tracking tech is implemented differently and is based on proprietary technology. Given that the
