A lot of trademarks and names are legally protected, but not all.
For a trademark to be protected it has to be registered as a trademark, for which you will have to pay a fee. After that it is protected against other peoples use of it, but normally only in the country you register it for.
A world wide trademark protection is costly and is very difficoult to uphold by law.
As for names as in surnames, most are not "legally" protected as such, but when it comes to rare family names, one can not automatically take one without asking for the approval of the families first. Laws regarding this however vary from country to country.
Yes.
All registered trademarks are legally protected. A name that is not a registered as a trademark, may not be protected under law.
It is usually referred by its genericized (but still legally protected by intellectual property law) name Styrofoam. The trademark is owned by Dow Chemical Company.
Dennys Reyes's birth name is Dennys (Valarde) Reyes.
Generally the chemical formula will be protected by patent, and the name and/or logo will be protected as a trademark.
Brand names are protected by trademark law, not patent law.
If your family name was a trademark it would be protected only for specific uses. For example, if your name is McDonald, you don't have to get permission from McDonald's to sign your name.
true
Product names are protected by trademark rather than patent. Torx is a trademark of Textron Industries.
There are many things by this name; some are copyrightable, and others are protected by trademark.
It is not registered with the US Patent and Trademark Office or with the World Intellectual Property Organization. That being said, registration is not required for protection; if the mark has been established in commerce, it is protected by common law.
The name of a work cannot be protected by copyright, but can be registered as a trademark if it is being used in commerce.
Short phrases like business names cannot be protected. They can be protected through trademark law, however.