Bluebonnet Telecommunications expanded its campaign with eleven new suits against phone and phone system providers. Defendants include Avaya, Cisco, Grandstream, Linksys, Panasonic, Polycom, Shoretel, Toshiba, Uniden, V-Tech and Yealink. The patents-in-suit relate to call screening and equipment for determining the features assigned to a telephone, and each complaint filed by Bluebonnet alleges infringement of at least one of the two patents (5,485,511, 6,400,814). The patents originated with Siemens and were later assigned to Star Co; Bluebonnet acquired the ‘511 patent in January 2013 and the ‘814 patent in July 2013. RPX reviewed the patents as open market opportunities in 2011 and 2013. 2/18, Eastern District of Texas,  2:14cv00091,  2:14cv00092,  2:14cv00093,  2:14cv00094, 2:14cv00095, 2:14cv00096, 2:14cv00097, 2:14cv00098, 2:14cv00099; 2/19, Eastern District of Texas, 2:14cv00101, 2:14cv00102