I got a trademark infringement demand letter siting only a custom letter as evidence is this enough?

If the brand owner can connect you to the counterfeit goods held in customs then of course they can take legal action. Whether they can establish...

You would be infringing on their trademark characters and perhaps even their copyrights depending on what you are using. Anytime you present a...

If I am in extremely successful You Tube video, who owns the right?

I come out differently than my colleagues on this based solely on your facts. If you willingly lent yourself to the project then you have no right...

Are you able to resale new designs from fabric that was made from seam ripped items from thrift stores?

While it is true that copyright protection will affix to fabric textile designs, what you describe should obviate infringement. The first sale...

What does one have to submit to become the sole owner of an entertainment group?

You need actual legal guidance at this point. This simple free and public Q&A platform will not be any help. I suggest that you consult with a...

Trademark rights stem from actually being the first to use the mark not being the first to register it. These rights are known as common law rights...

How much is my idea worth to a partner?

You need actual legal guidance not a free and public Q&A platform. There are no out-of-the-box responses for your very fact specific query because...

Can I trademark a name which is popular in hardware market with adding a letter for software products and services?

It matters not whether you are from the US so long as the goods and services the mark identifies will be placed into the stream of interstate...

May it affect their investment on my story? (copyright)

You received good responses now and the last time you asked this question. The copyright can be assigned and the assignee can pursue legal action...

Am I illegally infringing on copyright?

I'm not entirely sure what you are saying here, but if you license them properly through a photo bank like say iStock you are safe and at minimum...