As noted, you would be giving up your rights. They are not taking them from you. If you are not comfortable with that, then you should not sign...

The context really matters. Here, it would seem, we are talking about something referred to as a "technical infringement." That is, no one is...

Using their very famous trademark "Barbie" in your own trademark or tradename is frankly asking for a problem. Regards to what you are selling,...

No one can claim ownership of the factual information. Copyright protects creative expression not facts. So if you are just learning from these...

If by "replica" you mean counterfeit you can't do this without a lot of legal exposure. If you need clarification, I suggest that you consult...

If you are using their trademarks or logos for commentary purposes because you are discussing them then would usually be considered a fair use of...

If it is for your own personal use, then this will not be an issue unless you place it into commerce.

You recevied some good answers here. It frankly depends on the context. I don't think patent would be relevant. Copyright could be depending on...

To avoid legal issues, you will want to enter into a licensing agreement. If you need help or clarification, I suggest that you consult with a...

If John Smith says something dumb and you want to create a meme that mocks that, you can certainly do that. Your use of his name, image or likeness...