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

No one owns colors in a vacuum. The question is not whether you can use them. The question is whether your use of them presents a false association...

Can I sell a shirt that allows the customer to chose color, front txt, back txt, back number?

Your instincts are correct. You could be held accountable under secondary liability claims like contributory infringement for assisting your...

"Geek" is a very saturated term. So while you might not have an issue with "Geek Squad" there may be many others that could pose a problem....

You received good responses. This is a very chewy area that is the cause for a lot of confusion. Merely placing words on an item like a mug or a...

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 ?

We really do not have the facts here to address this, so all I can do is offer a more general overview of what to consider. Before you invest...

Merely repackaging someone's product under your own brand is likely going to be considered "reverse passing off" as noted, which is a form of...

The odds that they anyone will invest in litigation over the use of one image on one webpage is pretty slim. They can in theory sue you in Canada...

Do my students face criminal charges if I share copyrighted materials that I don't have the right to use with them?

Sure, if your students are downloading content without permission from the copyright holder then there is some risk associated although in this...

I need a good law firm to deal with multiple Patent Infringement cases in contingency ? some already filed some needs to be file

The odds that anyone is going to take such cases on a contingency is pretty slim and each will be judged on its own merits. I suggest that you...

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

You take on some risk although it is probably not a high risk in this case. Because you are commercializing this you could be held liable for...