Apart from the Warhawk Space = Starhawk trademark that Sony filed with the US Patent and Trademark Office, there is apparently another one, and this time, it's for "Dominion".
We have absolutely no idea what this game could be about, but it does sound like it could be an action-adventure game, wouldn't you say? I don't know, it just sounds... macho. Or, or! It could be.. I have no idea.
Keep guessing for now. We're bound to get more info (leaked or official) anyhow on this sooner or later.