How can I implement paid products into a game that my friends and I are making?

The issue in these cases is that you can be liable if you present a false association, sponsorship, endorsement or other affiliation with a brand...

Can fragments of letters written by others be quoted when writing a book? Does it require their permission?

Infringement is not typically an issue when the use of the content is for specific commentary purposes. There could be other issues involved in...

Is there a trademark code that covers the use of a name for someone's political campaign or celebrity?

Forget about the various classes, etc. for a minute. If someone if using a trademark that causes market confusion with yours then it is...

There is no percentage evaluation to make. If your work is substantially similar to theirs it will likely be considered a derivative work and thus...

This sounds more like a potential trademark issue rather than a copyright one. For for example, if you present some kind of false association,...

Startup silicone ring company looking for lawyer. Potential intellectual property dispute.

If what you are saying is that you are not sure whether these designs may infringe, then you will typically need to rely on a written agreement...

Displaying character pictures on a website - Copyright infringement?

You should have the business model evaluated to see if these use of those copyright protected characters would fall under fair use. It may because...

As noted, performing this content publicly will require a license unless you can make the case for fair use, which I don't see here. Before you...

The context matters here. If the instruments are just appearing in the photo incidentally then this will not be an issue. If, however, your work...

Well, if they are asking for you to remove it then you might expect that they can cause a headache for you even if they do not have the best legal...