Registered trademark symbol
|In Unicode||U+00AE ® REGISTERED SIGN (®, ®, ®)|
|Different from||U+24C7 Ⓡ CIRCLED LATIN CAPITAL LETTER R|
|See also||U+2122 ™ TRADE MARK SIGN|
U+2120 ℠ SERVICE MARK
The registered trademark symbol, typographic 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, product or service., is a
Unregistered trademarks 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; the symbol is commonly in superscript style, but that is not legally required. In many jurisdictions, only registered trademarks confer easily defended legal rights.
Because the typewriters (or ASCII), it was common to approximate it with the characters (or ).[a][b] An example of a legal equivalent is the phrase Registered, U.S. Patent and Trademark Office, which may be abbreviated to Reg U.S. Pat & TM Off. in the US.symbol is not commonly available on
This section needs additional citations for verification. (August 2019)
The registered trademark character was added to several extended ASCII character sets, including ISO-8859-1 from which it was inherited by Unicode as U+00AE ® REGISTERED SIGN. This is a different character from U+24C7 Ⓡ CIRCLED LATIN CAPITAL LETTER R as many fonts draw the registered trademark symbol smaller and possibly superscripted.
Typing the character
- Canadian Multilingual Standard (CSA keyboard): Right Ctrl+⇧ Shift+R
- US international keyboard and UK extended keyboard layouts: AltGr+⇧ Shift+R (subject to OS support).
- Microsoft Windows: Alt+0174 (on numeric keypad)
- Mac OS: ⌥ Option+R
- Linux: ComposeOR
- Linux and ChromeOS: Ctrl+⇧ Shift+U then AEspace
- Emacs: C-x8R
\textregisteredin text mode.
\circledRin text or math mode (requires amsfonts package)
Related and similar symbols
- The trademark symbol, ™, used for unregistered trademarks
- The service mark symbol, ℠, used for unregistered service marks
- The copyright symbol, ©
- The sound recording copyright symbol, ℗
- The Orthodox Union hechsher symbol, Ⓤ
- For example, "Intellectual property office". Government of the United Kingdom. Retrieved 5 June 2020.
- "15 U.S.C. 1111". Retrieved 15 December 2005.
- for example "Unregistered trade marks". Government of the United Kingdom. Retrieved 5 June 2020.
- The Online Etymology Dictionary
- "PSF Trademark Usage Policy".
The first or most prominent mention of a Python trademark should be immediately followed by a symbol for registered trademark: "®" or "(r)".
- Gregory H. Guillot. A Guide to Proper Trademark Use. 1995–2007. http://www.ggmark.com/guide.html
- "C1 Controls and Latin-1 Supplement | Range: 0080–00FF" (PDF). Unicode Consortium. 2016.