Knowledge Base/Miscellaneous/LaTeX
From Quantitative Finance
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Putting a copyright (registered, trademark) sign in 
The registered ®, copyright ©, and trademark ™ signs can be inserted as follows:
Widget\textsuperscript{\textcopyright}
Widget\textsuperscript{\textregistered}
Widget\textsuperscript{\texttrademark}
Note that these are inserted in text mode, not maths, so there are no $s. \textsuperscript ensures that the signs appear in superscript, as it is usually required. However, for copyright ©, you may often need something like this:
Copyright \textcopyright Paul Bilokon, 2007.
