All very important stuff to know for branding! I especially appreciate the effort to find out the terms for the CPAN and MetaCPAN logos.
My impression of the Camel usage based on previous discussions (and of course, I am not a lawyer) is that O'Reilly holds the trademark but allows the Perl project to use it - but this permission is rather vague so I still prefer the clearer terms of the other options.
The terms of the Onion on the other hand are rather clear - anyone can use the "User logos" in full for Perl-related purposes, but only TPF can use the "Perl marks" for official TPF branding.
And you will find that lots of people don't understand or care about these rules, and O'Reilly/TPF rarely enforce them unless there is a problem. The purpose is more to protect the brands against misuse than to make things difficult for Perl people.
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All very important stuff to know for branding! I especially appreciate the effort to find out the terms for the CPAN and MetaCPAN logos.
My impression of the Camel usage based on previous discussions (and of course, I am not a lawyer) is that O'Reilly holds the trademark but allows the Perl project to use it - but this permission is rather vague so I still prefer the clearer terms of the other options.
The terms of the Onion on the other hand are rather clear - anyone can use the "User logos" in full for Perl-related purposes, but only TPF can use the "Perl marks" for official TPF branding.
And you will find that lots of people don't understand or care about these rules, and O'Reilly/TPF rarely enforce them unless there is a problem. The purpose is more to protect the brands against misuse than to make things difficult for Perl people.