You know a gadget category is starting to go mainstream when patent lawsuits start cropping up. Today, Xreal filed a lawsuit in the US against Viture, alleging the firm is infringing on a patent for its AR glasses technology. According to Xreal’s press release, the suit was filed in the United States District Court for the Eastern District of Texas and involves US Patent No. 11,988,839 . In a nutshell, the patent outlines optical tech that helps enhance image quality and field-of-view in a