It's still speculation. Lodsys has come out to flat out deny any partnership or involvement in any way[1], but the #078 patent was originally assigned to Ferrera Etherial LLC in 2004, and then Webvention LLC in 2009, and then finally to Lodsys in 2010. A 2009 Law.com article [2] cites Ferrara Ethereal LLC as a shell company of IV. There is no knowledge of who or what Webvention is, except that it holds a ghost office in the same area as many other known or speculated shell companies IV operates.
Useful trivia: #7,222,078 [3] also happens to be the main patent behind Lodsys v. (independent iOS and Android developers), with #7,620,565 [4] backing it up. Lodsys only holds 4 patents, all four are cited as