Am I able to sell the same products sourced from China but with an add-on when someone else has made a trademark for that produ?

I'm not sure what you are asking. You obviously can't place someone else's trademark on a product they did not produce. If you want to import and...

Im starting a company based on media (photography, video etc) do i copyright or trademark it?

Regards to your actual work product, any creative expression will be covered by copyright law automatically. Then you register the work with the US...

Can I continue using the name of my studio if it's registered as a trademark by others?

You have options. If you were using the name first anywhere within the same industry and they have not had a USPTO federal trademark registration...

How do I protect my curriculum from people using it without my permission?

If you are employed by them and submitted to them a curriculum to be used without any restrictions then it is almost certain that at a minimum you...

What can I do?

Regards to the pictures, if these are your pictures that you took then perhaps you have a copyright claim here. But the context matters and we...

Is it necessary to contact or obtain permission from a manufacturer before selling their products on my site?

You are free to resell any lawfully purchased item and you are not required to purchase from an authorized source, but doing so ensures the best...

What is the procedure for Music rights?

So based on what you wrote here, it is not clear who is the owner of these rights now. Your dad may have been or he may have been a joint owner....

As noted, you could be violating their right of privacy and publicity, which are state governed laws that vary even if you do not use their actual...

Are famous quotes copyrighted?

Using quotes will generally be permitted. This is largely because using what amounts to a very small portion of a much larger body of work will not...

Would I be able to use s short quote from a movie that is about 10 seconds long in a song?

I assume you are talking about using a clip of the actual sound recording from the movie? That would require a license. Before you commit to...