Maz Encryption Technologies sued seven large technology companies for allegedly infringing on several of its security patents. The suits target security technology used in the iPhone and iPad as well as the BlackBerry Enterprise Solution, among other products. The patents in the suit cover technologies that relate to electronic information and document security using file-level and biometric encryption, according to court filings. Apple is the only company that was sued over a different patent; Dell, Hewlett-Packard, Fujitsu, Lenovo, Toshiba, BlackBerry and Apple were sued over the same patents.”]
Source: https://www.csoonline.com/article/2133074/apple–blackberry–others-sued-over-security-patents.html