Usually, that is not going to be an issue so long as you are not presenting some false association with them. But before you commit to...

Can I establish a common law trademark and/or eventually register a communication skills model I have used for many years?

You are free to use the common law qualifiers TM or SM, but these really have no legal significance. You should acquire a federal registration....

Yes, this would require a license because otherwise it will present a false association between this entertainment enterprise and your products....

You are free to resell any lawfully purchased item and you are not required to purchase from an authorized source, but doing so ensures the best...

As noted, you actually do not have a right to use your own name as a trademark if that is likely to cause consumer confusion in the marketplace...

I don't see how this will be an issue unless the terms "comic sans" is being used as a trademark for clothing. Before you commit to anything, I...

You received good responses. Being you will be taking photos from the inside, I would make sure to get a release. Most places will not object....

In the context you describe it is not likely to be an issue, but as noted, this is still an infringement. Unless you are falling under a fair use...

As noted, you need to enter into an agreement. Whether this is a traditional publishing agreement or a more general licensing agreement or even an...

Intellectual Property Question?

As noted, these stock photo entities have a multitude of licenses, so just make sure that you have explored all your options regards to your...