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Service mark

Trademark used to identify a service rather than a product / From Wikipedia, the free encyclopedia

A service mark or servicemark is a trademark used in the United States and several other countries to identify a service rather than a product.[1]

A fictional logo using the service mark symbol.

When a service mark is federally registered, the standard registration symbol ® or "Reg U.S. Pat & TM Off" may be used (the same symbol is used to mark registered trademarks). Before it is registered, it is common practice (with some legal standing) to use the service mark symbol (a superscript SM).