
Written by an intellectual property attorney who is also a programmer, Intellectual Property and Open Source helps you understand patents, copyrights, trademarks, trade secrets, and licenses, with special focus on the issues surrounding open source development and the GPL.--from publisher description.
https://www.oreilly.com/library/view/intellectual-property-a...
It will help you understand the relevant parts of the law (copyright, patent, trademark) as well as helping to differentiate between various types of Open Source licenses.
There's a chapter in Van Lindberg's Intellectual Property and Open Source on this topic. (It ends with a discussion of umbrella foundations like Apache, Eclipse, Software Freedom Conservancy.) Check it out: http://www.amazon.com/Intellectual-Property-Open-Source-Prot...
http://www.amazon.com/Intellectual-Property-Open-Source-Prot...