This tutorial, courtesy of the Austin PTDL, provides a basic overview of how to do a trademark search and should provide a basic overview for searching trademarks along with the list of sources stated below. Look up the most frequently asked questions concerning trademarks and applying for registration of a mark. Source includes an International Schedule of classes of goods and services.
Listings are alphabetical bysubject, class, and international listing.
Listing of all design codes used to categorize parts of a design or logo. Used in conjunction with recognized goods and services. The Table of Contents lists all the codes and categories used for designs and logos as defined by the Trademark Office. Can retrieve a list of trademarks based on mark, owner name, international class used, U.S. classification used, and defined goods and services. Redefine the search based on information found in the database.