Correction ..."Ain't nobody got time for that"
Confirming the risk free use of a trademark can take some time and resources for searching—and analysis of what is found.
Trademark rights are obtained when a mark is used to identify the source of goods/services. A trademark search should determine if someone else is using a trademark that will cause likelihood of confusion. If there is likelihood of confusion the consumer will confuse both trademarks are identifying goods/services from a common source. Likelihood of confusion is determined by comparing (1) the similarity of the marks; and (2) the similarity of the goods/services, for which the trademark is identifying the source of those goods/services.
Consider hiring an intellectual property attorney to do a full analysis of the facts specific to your situation.
This answer includes generalizations and there are many caveats. This answer does not form an attorney client relationship.