Yes; even if it weren't registered (which it is), it would be protected by common law.
All registered trademarks are legally protected. A name that is not a registered as a trademark, may not be protected under law.
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.
licensing is the practice of leasing a legally protected property such as trademark to another party in conjunction with a product,service or promotion.
A trademark is protected for life as long as it is still in use.
Trademark yes copyright no.
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.
Trademark Office. However, registration is not required for protection.
Aquacoir is protected by patent and trademark, not copyright. The trademark is registered to OMS Investments.
Generally the chemical formula will be protected by patent, and the name and/or logo will be protected as a trademark.
coke and marijuana and ice
Yes; logos and slogans are also protected by trademark law.
Brand names are protected by trademark law, not patent law.