And if you look at the original Web 2.0 conference site — http://www.web2con.com/web2con/ — it is pretty clear that the service mark is “Web 2.0 Conference,” not “Web 2.0.” That’s what they’re defending.
And if you look at the original Web 2.0 conference site — http://www.web2con.com/web2con/ — it is pretty clear that the service mark is “Web 2.0 Conference,” not “Web 2.0.” That’s what they’re defending.