Trademarks are free, you just start putting ™ after it and using it like a trademark. Registered trademarks ® cost money, but even then it's only a few hundred

Trademarks are free, you just start putting ™ after it and using it like a trademark. Registered trademarks ® cost money, but even then it's only a few hundred depending on which filing option you choose. Just the same, the file system guys don't seem to treat it as a trademark, so it's not an issue here.