Yesterday, I had a great conversation with Cory Doctorow (of boingboing fame) about the phylomon project, and one of the things he advised against was sticking with the name "phylomon." Not so much because it's not a great name, but from a trademark point of view, it could lead to problems down the road.
This came up, because I actually asked about the merits of not being concerned about the TCG patent, or hasbro's trademark protection (i.e. can we get a mini "streisand effect" for publicity's sake?), but Cory was saying that it's a little risky and these things if they go sour, can at the very least be a massive time suck.
Cory also mentioned that he thought chances would be that Hasbro wouldn't actually have a problem with "phylomon" (because it's educational and all that), but that if it did get very popular, they might go after it simply because it sets a precedent that could lead to genercide (i.e. let's say someone sets up a "pornamon", then if "phylomon" is allowed to exist, it make protecting trademarks more difficult).
Anyway, with all this in mind, and the comments in this thread, I'm thinking the simplest root is to simply call the game "phylo" but stick with using the term "phylomon" almost like an affectionate vernacular. More than anything else, this means I can change URLs, and in the press we can still fall well within trademark problems.
FYI, I've registered http://phylogame.org and phylogame.com
And, with all of this copyright stuff being really interesting and all, you should check out this really great TEDtalk that was recently released (http://www.ted.com/talks/view/id/771)
Anyway, take home point, how does (dum dum dum) PHYLO! sound?