Are there any rules for setting register and trademark symbols? What sizes, positions, and fonts are best?
Ilene Strizver provides insight in her helpful CreativePro.com post…
“These symbols, while annoying to the designer, are legal designations that are required to appear in certain places. While there are no hard and fast rules to how to use them, there are guidelines to using them tastefully (if that is possible!).”
The FontGear Blog 