I believe they had an agreement similar to this already (without the charge).

"...that the /gaymer sub-reddit had use of the word in exchange for a link to my site. Apparently that wasn’t enough for them because yesterday they filed a petition to have the trademark taken away." - Extract from a post by the trademarks owner.

Full post - http://www.gaymer.org/index.html/_/site-news/help-save-gayme...