Service mark symbol
The service mark symbol, designated by ℠ (the letters SM written 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:
℠). 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-C. 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.
- 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.
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