I wrote a short story using two Disney characters and a city that is common with the characters.

It sounds like this would be considered a derivative work and thus infringing. If, however, you are just doing this for your own personal use and...

Receive a lawyer letter that investigate my company use unauthorized duplication of proprietary software products?

I think Mr. Ballard addressed this issue well. You may have purchased the computer lawfully but the software is not transferable like the hardware....

What type of licensing agreement can use with automotive manufacturers, and or heritage departments of automotive makers.

I think I would need to better understand your objectives, but it sounds like you are seeking to enter into a licensing agreement. Before you...

Do I have to change 1(a) Basis to 1(b) Basis?

You really need to get some proper advice on this. The filing basis will change once you submit the specimen and statement of use is accepted. So...

Someone screenshot my private profile,Shared the screen shot & my 1yr old was in it ,is there any legalities to that?

You would have to see if this was a violation of the terms of use and service. If so, then perhaps you cna complain to Instagram directly.

Is this a permanent copyright re-assignment?

You received some good advice here. I think you should have proper terms drafted for your platform especially if you seek to exploit the copyright...

As noted, comparative advertising is permitted, you just need to make sure that you are not presenting a false association, sponsorship,...

Can I protect the name of my startup company via TM and through the USPTO, considering another company's existence?

Before you invest in any trademark make sure you get some legal guidance upfront. It is of course best practice to clear it before you start using...

Can I?

First, it is possible that this is all in the public domain and if so you would be free to use any or all of it without issue. As a general rule,...

No, it means that the application is pending. I'm not what if any attention you gave to due diligence on this, but the following might be...