You apply through the copyright office of the country in which you intend to do business. Most countries have online forms.
You want trademark protection, not copyright protection. In the US, you can apply online via the link below.
A trademark is a type of intellectual property, specifically a mark used in trade: a business or product name, logo, or slogan.
All registered trademarks are legally protected. A name that is not a registered as a trademark, may not be protected under law.
Assuming you are referring to the social networking website, the name "twitter" is a legally registered trademark so it should be used with the ® symbol.
Yes; even if it weren't registered (which it is), it would be protected by common law.
yes you can
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.
Legally, nowhere. You have to be at least 15 years old to apply for employment legally in Ontario.
a trademark is A name, symbol, or other device identifying a product, officially registered and legally restricted to the use of the owner or manufacturer. A distinctive characteristic by which a person or thing comes to be known: the shuffle and snicker that became the comedian's trademark. To label (a product) with proprietary identification.
licensing is the practice of leasing a legally protected property such as trademark to another party in conjunction with a product,service or promotion.
It is not mandatory to trademark your business identity in Canada. A common law trademark is a non-registered trademark that is typically implemented in order to show the intent to trademark. Unfortunately, common law trademarks are difficult to defend legally as no registration has been conducted, though they can be very important in the process of appealing an application for a trademark. It is possible for one to appeal a trademark process by arguing that they have been utilizing the name for a longer period of time and be successful. It is, however, true that the only way to protect a mark is to register it as a trademark. For more on Canadian Trademarks visit the link below.
yes