People are offering to pay me for a design i created in 2012.

Yes, you should have a written contract here. Before you make any commitments, I suggest that you consult with a lawyer in private and discuss...

Is it legal to sell Disney animation production art that was obtained from the artists who worked for Disney?

As long as you are in legal possession of it, you are free to sell it. For example, let's say I work for Disney and before I left the job I grabbed...

When registering a copyright, is pre-dating illegal?

As noted, it is never permitted to make stuff up on legal applications. But this would not do anything for you in any event for the simple reason...

I am a contract pilot and I want to advertise the aircraft I fly in my website address. Am I violating trademark?

You're asking a hard question to answer. My instinctual response is that what you describe here would very likely be considered nominative fair use...

How can I have information regarding Princesses

No one has a monopoly on princesses, although it is easy to think that. But Disney certainly has a tremendous amount of IP around this area. So you...

There is really no way to address this here. We would need to understand fully the terms of service you agreement when you sign up as well as all...

Can someone copyright a phrase said in conversation on the radio?

You are free to put that on a shirt, but there is no way to protect it. Copyright will not affix to short phrases or words and only if they are...

Can I use my name X if it's already being used in a diffrent country? Explain,

Use of a trademark in another country is not relevant UNLESS they are also using in this country (registered or not) or you also want to use it in...

Are there any free templates I can use for a release of liability for the misuse of a product purchased from my company?

I'm not so sure what you need based on your post. Tools and knives are sold every day. A liability disclaimer is not necessary. If I stab my...

I think the context matters here. In your case there is no doubt that you are using the moniker for the purpose of associating the club with "Jeep"...