Is it ok to use Disney princess colors for my work?

Although it is possible to have a color trademark, color marks, generally, are not inherently distinctive. See:...

Generally, you should do a US full trademark search which would include at least, USPTO registered trademarks, USPTO pending trademark...

If you use someone's trademark for commercial purposes without their permission you may be liable for, at least, trademark infringement and/or...

Is it illegal to use branded logos and phrases for selling purposes?

Generally, if you use trademarks of others for selling your services, without permission of original trademark owners, you may be liable for...

Determining trademark priority with conflicting dates of use, use in commerce, and filing?

Generally, intent to use trademark application filing, becomes constructive use when filing matures into registration, and can be used to establish...

Do i have grounds for a law suit ?? or maybe royalty fees?

Use of someone's image for commercial purpose may be violation of the right of publicity, typically depending on state law. You should discuss...

HHow do I sell my slogans to companies?

Generally, you may want to file for intent to use trademark applications related to slogans, assuming you have an intent to use in interstate...

It is possible that you may be able to sell an accessory or product made for working with someone else's original product, assuming you do not...

Can I buy a branded product, modify and sell it back into the mark?

If you modify someone else's product, and then sell with their trademark, without permission, you may be liable for trademark infringement. You...

Can I trademark my name and logo since I found someone else use almost same logo b4 me His trademark still live for 7 years ?

Generally, depending on the facts, it may be possible to petition to cancel a U.S. trademark registration. You should discuss with an...