Trademark protects identifiers (logos, names, slogans, etc.) that are used to identify the source of a commercial good or service. They are administered by the USPTO and they last as long as they remain in active use.
Trade Secrets protect secret information, often information that isn't patentable or is too sensitive to patent. They only last as long as they're secret, and are protected by legal documents like non-disclosure agreements.
Effective patent searching involves more than using keywords. Save time and maximize your success by completing this module:
Perform a quick search for patents (not comprehensive - if a patent is located through this search engine it is recommended you search the patent number through the USPTO or Epacenet to ensure you have the most up-to-date version.)