Can I file suit or a claim?

There is no complete patent search, and I would be weary of any patent attorney that tells you that there is. Patent applications are generally...

Does placing a copyright mark for myself on a 500 years old unclaimed historical document becomes my legal property?

Copyright protection is meant to protect the author, and that would not be you!

If I re-purpose an action figure into a Christmas ornament and sell it, does this constitute trademark infringement?

You actually potentially have a copyright issue on your hands. This may be considered a derivative work. Please contact a copyright attorney for...

You will certainly run into issues if you use any of their trademarks. Please consult a trademark attorney before moving forward.

How to find the best layer who takes care of intellectual Property

I agree with my colleagues. AVVO is a great resource.

What can someone do to disprove my authorship?

Well, anything is possible. You have a registration, so the burden is on them to prove that your registration is, for some reason, invalid. They...

What are the limitations on using the likliness of a celebrity in artwork?

I think you just asked this question. It is too broad. See other answers here:...

Are we allowed to use the likeness of celebrities in art?

Probably not, but that depends. People (all people, not just celebrities) have a right to their likeness. You cannot use someone's likeness...

I think I need to protect my idea and am not sure if I need a patent or a copyright.

Due to the recent decision by the Supreme Court, it seems as though mobile apps may be a bit more difficult to protect using patents, but not...

This is textbook copyright infringement. You are getting music for free that you would normally have to pay for.