Berners-Lee comes out fighting to save Web: “The letter also refers to an extensive document put forward by the W3C to dispute the patent’s validity. The W3C claims that there is extensive ‘prior art’ with regard to what the patent covers i.e. someone had already stuck the flag on the summit. It says, among other things, that the ‘EMBED’ tag that the patent claims ownership of was put forward in HTML+ meetings a year before the patent was filed.”