Traditional rights edit
(all reserved)
- © - canonical copyright in many places, including the US; includes default copyright
- ® - canonical registered mark
- ™ - canonical trademark, includes default trademark?
Copyleft rights edit
- easily confused with (c)- creative commons logo - also confusable with (c)
- free content logo - covering 'free content definition' licenses - uniquely colorful & nested
Public domain and 'copycenter' rights edit
<there are few!>