Firstly, you are confusing patent system and copyright in your answer. Secondly, nt's not about legality of open source license at all. LGPL or GPL does not b

Firstly, you are confusing patent system and copyright in your answer. Secondly, nt's not about legality of open source license at all. LGPL or GPL does not burden Qt Company with license obligations since it owns the source code. There is another contract between KDE foundation and QT company that we are talking here.