Its patents-in-suit (6,604,101; 7,516,154) having survived a district court Alice challenge, Wi-LAN Inc. subsidiary Improved Search LLC has added a suit against Microsoft (1:16-cv-00650) to the first case in the campaign, filed in March 2015 against Verizon (AOL). The patents generally relate to returning search results (the ‘101 patent) and ads (the ‘154 patent) in a language different from the language of the query. Microsoft’s Bing Search and Bing Ads are the accused products.