It does not; you can use code released under GPLv3 to develop any kind of DRM technology you like. However, if you do this, section 3 says that the system will not count as an effective technological “protection” measure, which means that if someone breaks the DRM, she will be free to distribute her software too, unhindered by the DMCA and similar laws."
From FAQ: Does GPLv3 have a patent retaliation clause?
In effect, yes. Section 10 prohibits people who convey the software from filing patent suits against other licensees. If someone did so anyway, section 8 explains how they would lose their license and any patent licenses that accompanied it.
Click to go to the GNU (L)GPL FAQ.
根据您对GPL或LGPL的选择，这些义务会有所不同。主要的开源许可证是 GNU Lesser General Public License v.3 (“LGPL”). 另请注意，Qt的某些部分仅在GPL下为开源用户提供，并需要履行额外的义务。
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