Is GPL Copyrighted?
GPL is enforceable as it's essentially a copyright license. The copyright holders of the GPL software can choose to enforce the GPL on the distributed or derivative works of the software.
Can I copy GPL code?
Basically GPL boils down to this: If you keep the code for yourself and don't redistribute it to anybody else, you can do whatever you want with it without any obligations. If you plan to share your code with somebody else, you are only allowed to do so under the GPL license.
How do licenses such as GPL regard copying of code? [closed]
The GPL just says a person with the binary can request source. So if only the people with the binary are in the company then only they can request source. There is no field of use restriction in the GPLv2 - users are free to use if however they like, including for commercial purposes.
GNU General Public License (v2): can a company use the licensed ...
Is GPL free for commercial use?
Software under the GPL may be run for all purposes, including commercial purposes and even as a tool for creating proprietary software, such as when using GPL-licensed compilers. Users or companies who distribute GPL-licensed works (e.g. software), may charge a fee for copies or give them free of charge.
GNU General Public License - Wikipedia
The GPL is a free software license, and therefore it permits people to use and even redistribute the software without being required to pay anyone a fee for doing so. You can charge people a fee to get a copy from you. You can't require people to pay you when they get a copy from someone else.
Frequently Asked Questions about the GNU Licenses