On Tue, May 31, 2011 at 16:31, andre999 <and...@laposte.net> wrote: > Michael Scherer a écrit : >> Supixel rendering, there is a patent on it : >> http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html >> > The reference is from September 2006, almost 5 years old. There is no > indication of expiry dates, and rather limited details on the patent claims > involved, apparently now held by Microsoft. (The further link to Microsoft > is no longer valid.) > It would seem advisable to have more info before making a decision.
And you're welcome to search for it and document this situation. Such as with: * http://www.freetype.org/patents.html * http://en.wikipedia.org/wiki/ClearType#Patents * http://en.wikipedia.org/wiki/Subpixel_rendering#Patents Said patents are due to expire in 2018/19 according to these sources. Romain