No, it is not relevant regards to an infringement analysis. I could not call my new tech start up "google" or "Googles" or "Google Plus USA" etc....

Can I post copies and/or rewrites of DIY guides I find on other websites while crediting the original source on my site?

This is copyright infringement. While facts themselves cannot be protected, the expression of those facts is protectable. Further, many of the...

Should we oppose another trademark application who applied for exact same trademark under exact same IC?

You need to get a proper analysis. I'm assuming that you have no registered mark right? This means that your rights to the mark only extend to the...

Do I need an intellectual property lawyer

Generally, the venues will pay into the licensing house (ASCAP, BMI, etc.) that will cover for the performance rights. In some cases, some music...

Can you tell me what I should do?

As noted, this is a contracts matter. It may be the case that if they shut operations there is nothing left to do. If this caused you money damages...

Can I make my own version of high end products and be legally safe meaning I have a license to sell.

There are legal "knock-offs" and this happens all the time with fragrances. I'm sure you have seen "compare with XYZ" on some bottles right?...

Are you allowed to use someone's name or picture without their consent?

As my colleague noted, this is really not a platform to conduct legal research. In general, you will always need permission to use a persons name,...

To be clear, you really can't receive any trademark clearance advice here over a free and public Q&A platform and of course never in the...

What might this cost me?

We really cannot quote fees here over this forum and it is not clear exactly what you are referring to, but I read this as a trademark concern....

What happen if the USPTO register our trademark, can we use it?

This is the reason why you need to conduct proper due diligence before you file a trademark application. Even if the USPTO does not consider your...