This is a very fact-specific question. If the other author with your name is famous, and started publishing before you, you might have a problem...

Can we print negative non-public domain unattributed quotes from media on a t-shirt to raise money for a non-profit?

This is way too fact specific for this site. The answers depend on a myriad of factors, including the length of the quotes, the fame of the...

Dear Lawyers, We would like to license our new product. Please clarify: how it usually works, your terms ? Thank you

Your first step is to find an attorney who can advise and assist. Talk to several different intellectual property lawyers and find one that makes...

How do Youtube video game copyrights work?

This question cannot be answered here. It is based upon more information than we have available, and more than we should have available. Attorney...

Using a popular image to create a theme when selling unrelated items

The short answer is NO YOU CANNOT. Use of any Disney image is likely at least copyright infringement (and may be trademark infringement as well). ...

Is it legal for me to publicly post a picture of someone else that was taken in a public setting by me?

I concur with prior responders that there is likely no copyright issues in this instance. However, I am not certain that you are not crossing the...

Is there any legal issue with appearing as Batman at a children's hospital if you appear for free? No fee for service.

Actually, whether you are appearing for a fee or not is probably not legally relevant. If you want a basis, you are potentially depriving DC of...

Someone made Bubble Land game2015 after I wrote& copyrighted2012 Land of Bubbles which is a story Im making a game of same name.

You would be well advised to retain an intellectual property attorney. There are many potential issues which really cannot be addressed in a forum...

This is a fact-specific question and cannot be addressed on this site. The key is whether or not you would be raising any likelihood of confusion...

Can you show memorabilia from athletic competitions in a documentary piece? In a promotional piece? How about an Olympic medal?

I don't see a problem in a documentary piece as long as it is clear what the memorabilia is, and the source of the olympic medal. In a promotional...