Terminology: Intellectual property symbols

Summary of the intellectual property symbols (copyright, registered trademark, sound mark, trademark and service mark).

SymbolSymbol nameSymbol design description


Copyright Capital letter "C" in a circle.


Registered trademark Capital letter "R" in a circle.

Sound mark: phonogramCapital letter "P" in a circle.

Trademark Superscript uppercase "TM".

Service mark Superscript uppercase "SM".

More information:

Trademark tips (including when to use ™ vs ® symbols)