Registered trademark symbol

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®
Registered trademark symbol
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registered trademark ( ® )
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The registered trademark symbol, designated by ® (the circled capital letter R), 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.[1][2] 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.[1]

Trademarks not officially registered can instead be marked with the trademark symbol ™, 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.

Computer usage[edit]

The registered trademark symbol.

The registered trademark character has a standardized representation in most computer systems. It is mapped in Unicode as U+00AE ® registered sign (HTML: ® ®).[3] The registered trademark symbol ® is distinct, in computer representation, from the similar character U+24C7 circled latin capital letter r (enclosed R)

Because the ® symbol has not commonly been available on typewriters and ASCII-based computer systems, it has been common to approximate this symbol with the characters (R) (or (r)); for example, the Python programming language Trademark Usage Policy advocates this usage.[4] However, these forms do not have legal force.[citation needed] 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.,[5] in the U.S.,[2] and the letters RTM in the UK.[1]

Typing character[edit]

Related symbols[edit]

References[edit]

  1. ^ a b c UK IPO, one example of a national trade mark office
  2. ^ a b "15 U.S.C. 1111". Retrieved 15 October 2012. 
  3. ^ http://www.unicode.org/charts/PDF/U0080.pdf
  4. ^ PSF Trademark Usage Policy. http://www.python.org/psf/trademarks/ "The first or most prominent mention of a Python trademark should be immediately followed by a symbol for registered trademark: "®" or "(r)"."
  5. ^ Gregory H. Guillot. A Guide to Proper Trademark Use. 1995-2007. http://www.ggmark.com/guide.html

External links[edit]