There is; it's called a trademark search, and it's a matter of public record: "The trademark examining attorney has searched the Office’s database of registered and pending marks and has found no conflicting marks that would bar registration..." (http://tsdr.uspto.gov/documentviewer?caseId=sn86160387&docId...) ~The USPTO's response to this Jan 8, 2014 filing: http://tsdr.uspto.gov/documentviewer?caseId=sn86160387&docId...