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.
Facebook is a registered trademark, which earns it the right to use the ® symbol.
The Unicode for the Trademark Symbol is a symbol used to make the assumption that the previous mark is a trademark (a trademark is a recognizable sign of a particular company).
this symbol # is used to follow a common topic on twitter
A TM symbol should be placed next to a logo when the logo is being used as a trademark to indicate that the logo is a registered trademark.
Trademark. The trademark law prevents companies from stealing a product name. The Trademark Symbol -- > ™
The (R) symbol is used to indicate that the preceding word or phrase is a trademark or service mark that has been registered with the trademark office.
The "TM" symbol, often printed small next to a picture or piece of writing that a company owns, stands for trademark. The trademark symbol can be used for any piece of property that one feels they have ownership of, even if it has not been filed with a patent office.
A trademark is a type of intellectual property, specifically a mark used in trade: a business or product name, logo, or slogan.
Hi,Trademark is the legal term which is used to represent the company or product. Before registering a Trademark, you should search the availability of the Trademark in Trademarks411.com | Trademark Search Online to well ensure the availability.This is a free service.Hope this helps.
After.Chicago Manual of Style, 16th Edition. 8.152 - Trademarks...Although the symbols...(for registered and unregistered trademarks, respectively) often accompany trademark names on product packaging and in promotional material, there is no legal requirement to use these symbols, and they should be omitted wherever possible. (If one of these symbols must be used at the end of a product name, it should appear before any period, comma, or other mark of punctuation.) ...
It shouldn't.
There is no need for it to be used.