\text{\textregistered}
The \text{\textregistered} command in LaTeX is used to produce the registered trademark symbol, which is a typographic symbol that indicates that the preceding word or symbol is a registered trademark. This symbol is often used in legal and branding contexts to denote that a trademark is officially registered with the appropriate government authority.
Basic usage of the registered trademark symbol.
\text{\textregistered}
Using the registered trademark symbol after a brand name.
BrandName\text{\textregistered}
Indicating legal protection of a product with the registered trademark symbol.
This product is protected by trademark laws \text{\textregistered}