Quite likely this would be a "derivative work" and therefore copyright infringement. You may want to research "derivative works" under copyright...

A design patent is invalid if its overall appearance is dictated by its function. As long as the design is not primarily functional, the design...

You do not need to be a U.S. citizen or U.S. resident to file a U.S. patent application for your own invention, whether a regular application or a...

Can I be sued in this situation?

If it doesn't feel right, don't continue. If you have clear communication saying it was a gift, I don't see how he can sue you or request it back.

I'd suggest buying some used Bar Exam review materials. They would 1.) give you a strong head start if you ever decide to go to law school, 2.)...

Can I be sued for patent infringement in the United States if the patent is from Canada?

Patents are territorial. You cannot be sued on a Canadian patent for importing from Europe to the U.S. if, in fact, there is no U.S. patent,...

Can I register trademark for a unique word that was part of a previous name mark registration that has expired?

You need to speak to an attorney and provide specifics. One thing to note with this hypothetical is that, from a trademark law point of view,...

Can I sue or get other business to change name?

Filing for an LLC does not create any trademark rights in the company name. Federal and state trademark applications are possible. Common law...

Does one person or company own a patent for common household mini blinds?

It is possible to have something patentable and to infringe on someone else's patent at the same time. Obtaining your own patent does not prevent...

Do trademark infringements have a statute of limitations?

To answer your specific question, the Lanham Act covering trademarks has no status of limitations. There will be a statute of limitations based on...