Flags of the world available in public domain SVG
The Sodipodi SVG editor project has taken up a side project of accumulating all the flags of the world in SVG format, available in the public domain. 140 flags have already been contributed, covering nations, provinces and historical flags. More contributions are requested.

"W3C... has presented the US Patent and Trademark Office with prior art establishing that US Patent No. 5,838,906 (the '906 patent) is invalid and should therefore be re-examined in order to eliminate this unjustified impediment to the operation of the Web."