Questions about legal problems which may arise during software development or questions about software law, patents and copyrights in general.
The law is a minefield and the best advice anyone can give when asked about legal matters is often:
ask a lawyer.
Asking legal questions on Stack Exchange is not a substitute for taking proper local legal advice. What we can do is advise whether asking a lawyer is essential or just highly recommended.
Consider looking at Law.SE as a place to get answers from people who are experts in that domain rather than programmers guessing at it.