I have asked several sites to stop using my TM. They are refusing stating they've used my mark prior to commerce date

As noted, trademark rights stem from use in the US not registration. I think your situation poses more questions than answers at this point....

As noted, you can't do that. Anytime you are using another's brand recognition to promote your own goods and services you are asking for a legal...

I have a Nevada S-corp doing business in AZ that has the copyright of some books. I opened a LLC sole propr in AZ

I think I would just stop and go no further until you have consulted counsel in private and explained in detail exactly what your concerns are and...

Do I need an attorney at this point?

At a minimum, I would be consulting with several attorneys to make sure you understand all the aspects involved. How much you spend on legal at...

I want to trademark our police seminar name which is referred to as: TacDogs, TacDogs seminars, or The TacDogs Program.

My colleagues have offered very good responses. I'm sure you understand that this is not a place to come for trademark clearance and any opinions...

Is it a legal website idea?

I have to agree with my colleagues here in that it is just not clear to me, but that said nothing is alarming me either. I suggest that you...

Selling on online

What a packed question! My colleagues all offered very good insights. I think I am stating the obvious when I say that there are many legal...

Can a video clip from youtube be shown in a chat room with 12 or so people with out the permission of the owner of the youtube

Your question invokes more questions than answers. It depends. If the content is already infringing and was posted to YT without permission then...

It is legal to use quotes by famous people in a mobile video game?

Using quotes will generally be permitted. This is largely because using what amounts to a very small portion of a much larger body of work will not...

I'm looking to create a product using bicycle chain. The manufacture's name is on the chain I'm using.

My colleagues offered very good insights. The specter of a problem always exists when an other company's marks are appearing in your products. This...