Service mark symbol
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 Service mark symbol  | |
The service mark symbol (℠, the letters SM in superscript style) is a symbol commonly used in the United States to provide notice that the preceding mark is a service mark. This symbol has some legal force, and is typically used for service marks not yet registered with the U.S. Patent and Trademark Office; registered service marks are instead marked with the same symbol used for registered trademarks, the registered trademark symbol ®. The proper manner to display the symbol is immediately following the mark in superscript style.
The character is mapped in Unicode as U+2120 ℠ SERVICE MARK (HTML ℠).[1] Unlike the similar trademark symbol, there is no simple way to type the service mark symbol on Microsoft Windows, but the built-in charmap application can help. In Microsoft Outlook or Word type 2120 and Alt-X. On Macintosh systems, the symbol can be inserted by using the Character Palette. On Linux systems, it can be inserted by hitting Compose, then s and finally m.
Related symbols
-  The registered trademark symbol U+00AE ® REGISTERED SIGN (HTML 
®·®), used for registered service marks. -  The similar symbol, U+2122 ™ TRADE MARK SIGN (HTML 
™·™), featuring the letters TM instead of SM. 
See also
References
- ↑ "The Unicode Standard 7.0, Letterlike Symbols" (PDF). Unicode, Inc.