Would there be any trademark infringement by having the Superman logo engraved onto a wedding band used only for personal use?

There are two answers: the legal one and the practical one. The jewelry store would almost certainly infringe DC Comics' copyright and trademark...

Your own state's law will control whether an injured party can "pierce the corporate veil" to sue you personally for conduct you engage in on...

Your Endorsement Agreement very likely has language in it declaring, essentially, "[h]owever, it is understood and agreed that [Athlete] shall not,...

Copyright laws of YouTube ?

I think you're asking (1) whether you can lawfully include someone else's music in a video you upload to Youtube and (2) whether you need...

There are a couple of patents for certain products, but how come other people can sell it under their own name?

In addition to the circumstances described by Attorney Brezina it's quite possible that the other sellers have either (1) licensed from the patent...

Can a trade secret be confidential information as well? My employer added this statement to an NDA.

Most companies possess a lot of confidential information that is not a trade secret. So, as a factual matter, the language you quote is almost...

Your question has been asked many, many times before. You should read them and the answers via the link below. There will be more information there...

Many "reverse passing off" questions have been asked over the years. You should read them and the answers via the link below. There will be more...

Domain Name and Trademark infringement?

If you registered the domain name before the Turkish company created trademark rights in the name it uses for a domain name then you have the right...

Can I stop my previous employer to stop using the sauce I created?

The rule in California is that an invention created by an employee who was hired to invent is owned by the employer, not the inventing employee –...