I will re-tag this question under immigration because it appears that is the area of law your question speaks to.

An online troll is claiming he owns my copyright. I filled a counter-notice and he told the venue he had filed a lawsuit. Am I i

I'm surprised if the venue just accepted his word for it that litigation was filed as opposed to requiring a copy of the complaint / summons. Where...

Owner of an LLC wants to pay me to create a prototype for him and name himself inventor?

You received some good insights. I agree that the first point of inquiry is understanding whether a patent will even be possible here. If so, then...

You are talking about trademark here, not copyright. You would include the top level domain in cases where that is exactly how the brand is...

I can't really tell from your post whether we are talking another user that has claimed prior use rights under common law or not. You should be...

The common law qualifiers appearing on a specimen should not be an issue. Regards to whether this would be a correct specimen for the class of...

Do I need a license agreement?

As noted, a license would be needed and you should make certain that exists or you could also be brought into a legal action by profiting from the...

Who do I need contact to contact as far as using NFL teams logos for my unique jersey designs for sale?

Unless you are a rather sizable operation with a long history in the business, you will not get an NFL license. My colleague linked to their...

What can I do?

This should not be problematic unless you are in some way causing market confusion by presenting a false association, sponsorship, endorsement or...

Whoever conducted the due diligence should be addressing this. Before you invest in any trademark make sure you get some legal guidance upfront. It...