\circledR
The circled capital letter R symbol, \circledR, represents a registered trademark. It is used to indicate that a trademark is legally registered with the appropriate government authorities.
Indicating a registered trademark for a brand name.
\text{Brand Name}\,\circledR
Denoting a registered trademark for a specific product.
\text{Product Name}\,\circledR
Showing that a service name is a registered trademark.
\text{Service Name}\,\circledR