What do the symbols ® and ™ in a trade mark indicate?
The symbol ® signifies that the trade mark is a registered trade mark. The symbol ™ signifies that the word or logo is used as a trade mark. It may not be a registered mark. When a mark is used as a trademark, ™ symbol may be used along with the mark. Once the trade mark is registered, the ® symbol is generally used along with the mark.