Are any of these names trademarked?

-i know you can be fined for using somebody elses ideas. so i just want to know if any of these are trademarked or already used. they are all alien race names or factions.



1. exodonian



2. xuron



3. ma'vi



4. gargalian



5. human empire.



6.space pirates united



7. galactic enforcers.You can check this on The United States Patent and Trademark Office website.



http://www.uspto.gov/trademarks/process/鈥?/a>
Probably. Just Google them to see if they've been used.