If a package has an R on it with a circle around what does it mean and whats it called?!

Question: If a package has an R on it with a circle around what does it mean and whats it called!?
Answers:

It means that the product and name is Registered!. It can not be copied or duplicated Www@FoodAQ@Com

I believe it means it's a "registered" trademark!.Www@FoodAQ@Com

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If a package has an R on it with a circle around what does it mean and whats it called?!

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