I want to use a few words from a song I like on a teeshirt and i am wondering if that is legal or not.

You are risking problems in both copyright and trademark. Seek permission first.

If the object is used as an indication of source for a product or service then it can be used as a trademark.

How can I get an audit (cost report / detailed ledger) from a film producer. I am an investor and believe he has done wrong .

Going into arbitration without counsel is dangerous. You can attempt to get an accounting in discovery and you can also ask the arbitrator to...

Is "smartphone" and "tablet" specific enough in a patent?

If you are asking questions as to what verbiage is acceptable in a patent application I would strongly suggest that you enlist the services of a...

One, just because someone claims a trademark does not mean that they actually have trademark rights. That is up to a court to decide. Two,...

Does a book like Feminist Ryan Gosling (published without the actor's approval) violate rights of publicity?

You have already received some good answers. I just want to add that the rules take into account the level of fame of the subject. A celebrity...

Trademark protection can apply to anything which identifies the source of a product. In this case, you are using the team colors to imply an...

Rarely will an attorney interpret a single paragraph of a larger agreement. You need to have retained counsel review the entire agreement. Do so...

Can similar names be used under same trademark class?

You are trying to simplify a very complicated question. Virtually all trademark infringement/allowance questions come down to a test of likelihood...

Is it legal to use "fan art" of a public figure (being authorized by author) AND the name of that public figure in my mobil app?

Just a work of caution. You should also be aware that fan art is very often allowed infringement. It frequently applies to usage which is...