Online Trademark Search Before beginning the trademark registration process, the entrepreneur or a trademark professional must conduct a trademark search of the trademark database. A trademark examination& searchshallgiveinfo about identical or similar trademark that has previously been filed with the trademark registry. This search is to check whether your business name or logo is similar to other already registered trademarks. Usually trademark agent or attorney behaves this search with the Trademark Office to check if there are any alike trademarks already registered under that specific class. There are 2 kinds of search i.e. online & offline. It is recommended that one get both the searches done.