search you complete before applying for a trademark registration to make sure your trademark is available to register for your particular goods or services, and to make sure that no other trademark conflicts with it.
Use the Global Brand Database to search internationally protected trademarks, appellations of origin, state emblems etc.
This guide will show you exactly how to check trademark availability using the official USPTO TESS (Trademark Electronic Search System) database, navigate the search tools, and understand what your results mean.

Learn how to effectively use the USPTO's free trademark search tool to check for existing and similar marks. The United States Patent and Trademark Office (USPTO) provides free public access to its trademark database through its online search tool.
Step-by-step guide to using the USPTO's TESS database. Learn to search US trademarks properly and avoid costly naming mistakes.

LexisNexis provides robust, multi-jurisdictional trademark search. Combine Advanced Search segments with targeted queries to locate records, ownership, and related proceedings efficiently.