Not necessarily; but, you should search every one. Than if they are clear, it would be good to file on them. Registrations are assets.

No, you have a serious problem here. It may be surprising that they have not found you yet; but, with your planned expansion, now is the time to...

How should I trademark a word?

The first step here is to do a trademark screening search. Once it is ascertained what is registered, a strategy can be performed to ascertain...

Company name

-probably not --sounds descriptive ---that usually cannot be registered

IIf someone does not have a trademark in the USPTO for a name can I trademark the name before creating the product ?

You can file an Intent to Use application. When it is allowed, which can take up to a year; than, you will either have to file a Statement of Use...

Can I use my name X if it's already being used in a diffrent country? Explain,

Definitely, maybe. You need to ascertain what use is being made in this country. You need to have a search done.

Is it legal to take a purchased embroidered auto symbols of sports cars names/icon patch and sew it on clothing, and sell it?

Of course not. Are these patches to indicate the source of goods? It would be apparent...yes. That would mean that you are making a false...

If you file a copyright first, is there protection to file later under trademark for architectural designs?

Trademarks and copyrights are totally different. You need an I.P. attorney to advise you properlly.

Is it possible to license/assign only one individual work that's within a copyright collection?

-absolutely --why not? ---it is a little messy; but, possible --you may want to make some new registrations to keep it neater

How do I know which trademark form to apply for?

This should show you that you need to get an attorney A trademark lawyer will help