How to research the name of a company to see if it is trade marked?

The USPTO.GOV website will have a link to trademark search (for registered or applied for trademarks). You should also use google to find "common...

You could be infringing trademarks and copyrights. Cease and desist letters typically precede legal actions, but are not necessary, so a legal...

Can a company use another companies product on theirs?

Generally purchasing products from the manufacturer or an authorized distributor gives you the right to use those products in whatever manner you...

What patent forms do I need to file if my idea is an improvement to an existing product?

Your question will be answered more quickly if you call a few patent attorneys for free consultations.

I have an invention or product with a prototype and want to start a patent.

It sounds like you may be an inventor! You need to consult with a patent attorney or two and pick one to work with.

A business 40 yds away changed their name to half of my stores name mine is a two name word they are using my first name

Probably not, but many factors could change this. You need to consult a trademark attorney.

Can they do this?

Your facts are a bit confusing regarding what you have registered, but it appears the ultimate question is whether the name THH Supplies is...

An LLC is not a trademark, but if you are selling goods in conjunction with a mark, then you have a trademark. I believe by "trade marked' you...

Could filing patent C, which uses patent A and B, be used as a means to negotiate lower licensing fees for patents A and B?

Generally , you can pay for a license in any manner the licensor will accept (within anti-trust limitations). If the licensor wants a license...

What could be considered a common percentage licensing fee for a patented technology that has not yet been commercialized?

A patent license gives one permission to profit from commercializing the patented technology. If the license is exclusive, by granting the...