Please take a few minutes to review the trademark guidelines. These
apply to everyone although there are some special considerations given
to ambassadors when they are representing the Fedora Project in
various capacities.
https://fedoraproject.org/wiki/Legal:Trademark_guidelines
In particular I'd like to draw your attention to the section on
promotional events where ambassadors are not required to obtain prior
permission to use the Fedora trademarks described here
https://fedoraproject.org/wiki/Legal:Trademark_guidelines?rd=Legal/Tradem...
Note that the sort of event that falls into this category is limited
as described in the guidelines. This is not meant to discourage
ambassadors from participating in any other sort of event but in order
to use the Fedora trademarks in conjunction with other events please
do request permission before doing so.
Thanks,
John