Your question requires additional information. Has the other company been using the slogan longer than you have? Have you filed a trademark? You...

I have 2 products on amazon.com with my brand own name has really high rankings.Other sellers are Infringing my name

Hi, I have helped clients with trademark infringement issues on Amazon and have a contact in the legal department there as well. Feel free to get...

If I have a federal trademark in the U.S can someone else trademark the same name in a foreign country?

A US trademark registration protects your use of the name in the US. A registration in the US does not automatically grant you world-wide...

As an electronic vaporizer company, can we use the words, "Dry Herbs," "Herbal," and "Wax" in our packaging and advertisements?

I also see no reason why you can't use those terms in advertising your product.

What legal terms and conditions are needed for a website that allows people to rate housng, landlords, and roommates?

When crafting terms of service for your website, you are best advised to speak to a lawyer who can understand exactly what services you are...

You cannot trademark the name of a "single work" of art--ie the name of one book or one screenplay is typically not something that can be protected...

Should I abandon my "Gorilla Biker" application which is opposed by a company who trademarked "Gorilla"?

As has already been advised here, you should get a lawyer to help you navigate this. You may be able to settle this and work out some sort of...

Does the name of a clothing brand require a copyright or a trademark?

I would definitely suggest that you do a trademark clearance search before you launch your clothing brand and then go ahead and register the...

An abandoned trademark technically can be re-registered with the USPTO. The examiners at the USPTO, however, do not do a common law search--they...

Trademarked LLC name vs non-TM'd domain name, who wins?

Once you have a lawyer help you with a trademark clearance search (and assuming it looks relatively clear), I would suggest that you do go ahead...