Intellectual property - how to ensure that the IP user doesn't use and thansfer the IP to his/her new employer

You simply cannot receive the kind of specific legal attention you are seeking here over a free and quite pubic Q&A platform. Of course you can...

Certainly not the first nor last time I'm sure that we have seen this scenario. As noted, you really have no choice but to discuss this over...

So of course you have all the same legal aspects as any new business: business entity structure, trademark clearance and filing, contracts,...

Does putting a non-trademarked acronym of a trademarked name on apparel against trademark law?

Merely placing a term or in your case an acronym on a shirt or jacket does not turn that into a trademark. I think you have very little to nothing...

If a copyright infringement case involves people from different states, which state would hold the case?

You are likely going to sue where the defendant resides or does business or where the infringement is occurring. But in general, it is best to go...

Can I recreate a dress design from International company?

You received some good answers already. As noted, the US does not afford clothing designs copyright protection. This is because we consider...

My wife is starting a business around a tag that attaches to a hanger and identifies what pieces of clothing go together.

You received some very good responses. As noted, copyright would not be the relevant area, but it may be a patentable invention and I too agree...

How I can know if another persons work used in my book is copyrighted, to the point that will get me to any legal issues?

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...

Do I have to wait for the copyright process to be complete?

As noted, the actual copyright affixes automatically to your creative expression once that has been reduced to some expressive format like the...

The only answer to your question that can be offered here is "who knows?" If he is actually infringing on your trademark whether or not you have...