服务标志 ℠

The combination of two SM letters is commonly used worldwide for indicating a registered trademark. The abbreviation comes from the expression 「service mark」 which literally means a brand name or logo that identifies the provider of a service. In other countries there are other trademark symbols used in this context: or .

In addition, the Service Trademark Unicode symbol comes in handy as a slang abbreviation for 「so much」. You can use it when chatting or texting. For example, I love you ℠ .

符号 「服务标志」 包含在 「字母式符号」 块的 「字母符號」 子块中，并在1993年作为Unicode版本1.1的一部分获得批准。