If i make a short movie and post it on social site with a song that has been copyright for no financial benefit is it illegal?

As noted, unless this falls under some clear fair use it would be an infringement, for example if you were actually commenting specifically on the...

Can I use a country top-level domain when the top level 'com' is registered by someone else?

I already answered the other almost identical question. If you are seeking to create trademark rights of your own here the following might be...

Can I use a country top-level domain while the top level 'com' is registered by someone else?

There is no straight forward answer here. If the dominant part of the domain is just generic like you used here with book.com then this is no...

Will I need a lawyer I have an invention idea?

Before you make any commitments, I suggest that you consult with an IP lawyer in private and discuss your objectives in more detail. You can start...

Is it common for an US importing small-business to put on its website the logo/website of its small-business provider?

A lot of this depends on the relationship you have with this other company if any. You should have a written agreement in place that will discuss...

I have a question in using the word snuggy (not snuggie) on an idea I have.

The question has everything to do with what the trademark will identify. Many trademarks share the same or very similar terms. For example, we are...

How do I protect my intellectual properties

Any creative expression, like a musical composition or lyrics, will be covered by copyright law automatically. Then you register the work with the...

This is very likely asking for a problem. For one, DC Comics now owed by Warner Bros. policies its trademark properties quite aggressively and...

Is it legal to sell a company's product with your own unique way of manufacturing it?

Maybe, but in general if you take another's product then place it in your own packaging and rebrand it you are very likely committing trademark...

Can I write a children's book about how my granddaughter loves another authors book?

We would really need to know all the details about exactly what you are doing. You may be violating copyright in that book and you may also be...