Registered trademark symbol

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The registered trademark symbol (®) is a symbol that provides notice that the preceding word or symbol is a trademark or service mark that has been registered with a national trademark office. A trademark is a symbol, word, or words legally registered or established by use as representing a company or product. In some countries it is against the law to use the registered trademark symbol for a mark that is not officially registered in any country.

Trademarks not officially registered can instead be marked with the trademark symbol (TM), while unregistered service marks are marked with the service mark symbol ?. The proper manner to display these symbols is immediately following the mark, and is commonly in superscript style but is not legally required.

The registered trademark symbol was originally introduced in the Trademark Act of 1946.

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Computer usage

The registered trademark character has a standardized representation in most computer systems. It is mapped in Unicode as U+00AE ® Registered sign (HTML ® · ®). The registered trademark symbol ® is distinct, in computer representation, from the similar character U+24C7 (R) Circled Latin capital letter R (enclosed R)

Because the ® symbol is not commonly available on typewriters and ASCII-based computer systems, it is common to approximate it with the characters (R) (or (r)); for example, the Python programming language Trademark Usage Policy advocates this usage. Example of legal equivalents are the phrase Registered, U.S. Patent and Trademark Office, which may be abbreviated to Reg U.S. Pat & TM Off., in the U.S., and the letters RTM in the UK.

Registered Trade Mark Video

Typing character

• Windows Alt code: Alt + 0174 (on numeric keypad).
• Linux: either AltGr + R or Compose key, O, R.
• Mac OS: Option + R.
• US-International keyboard layout and UK-International keyboard layout: AltGr+R.
• Emacs: C-x 8 R.
• HTML: ® or ® or ®.
• LaTeX: \textregistered in text mode.
• LaTeX: \circledR in text or math mode (requires amsfonts package)

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Related symbols

• The trademark symbol (TM), used for unregistered trademarks
• The service mark symbol ?, used for unregistered service marks
• The similar copyright symbol, ©
• The similar sound recording copyright symbol, ?
• The similar Orthodox Union hechsher symbol, featuring a U instead of an R in the circle

Source of the article : Wikipedia