How to create register symbol html?

The trademark symbol, designated by ® (the circle "R"), is a symbol used to provide notice that the earlier mark is a trademark or service mark that is registered with a national trademark office. In some countries, like China, which is against the law to use the trademark symbol for a brand that is not officially registered in any country.

The brands are not officially registered place marked with a trademark symbol ™, while unregistered marks of services are marked with the trademark symbol ℠ service. The correct way to display these symbols is immediately after the mark in superscript style.

The trademark character has a standard representation in most computer systems.Assigned in Unicode as U +00 AE ® is a registered trademark (HTML: ® ®). The registered trademark symbol ® is distinguished, representing equipment similar character Ⓡ circle C7 U 24 Latin capital r (from R)

Because the ® symbol has always been available on typewriters and ASCII-based computer systems, has been common to approximate this symbol with the characters (R) or (r), for example, the Python programming language policy makes use of the proponents of this use. However, these forms have no legal force. Example legal equivalents are the words "Registered, U.S. Patent and Trademark Office," which can be abbreviated to "Reg U.S. Pat & TM Off." In the U.S. and the letters "RTM" in the UK.

Typing Character:-

In HTML:- ® or ® or &#174

In Mac OS: Option + R.