I want to open a resturaunt but someone else uses the name but they don't have a trademark. Would I be able to open under that

Generally, someone may have common law trademark rights without a trademark registration. If this other business is operating within your...

You may be able to sue for misappropriation of ideas, which typically depends on state law and generally it would be difficult to succeed and will...

You may be able to sue for violation of right of publicity, defamation, or invasion of privacy depending on all of the facts. You should...

Is it legal to use a trademarked brand name on an online website if you are not an authorized re-seller?

Under the first sale doctrine you may be able to use the brand name in the description of the product, depending on all of the facts. In...

The word "Army" appears to be, at least, part of numerous registered U.S. trademarks. Regarding your particular phrase, you should have a US...

Can I alter the band AC/DC logo to RC/BC and sell it. Will I be able to trademark RC/BC?

AC/DC may make, at least, an argument of trademark infringement, asserting that your logo is confusingly similar to their logo, and you may be...

If you do, what you assert is a parody of a song, you may be sued by the copyright owner of the song, anyway, and you may need to assert the...

Is it okay for me to use the trademarked "What's Up, Doc?" as a name for my music publishing company?

"What's Up, Doc" appears to be, at least, a registered trademark of Warner Bros. Entertainment Inc. There may be a trademark infringement...

There may, at least, be a trademark infringement concern, if you are advertising a class which may incorrectly indicate that the class is...

To register a musical composition, can I send a PDF with the lead sheet and the lyrics aside?

Regarding deposit requirements for copyright registrations of musical compositions, see: https://www.copyright.gov/circs/circ50.pdf You...