Science, Industry and Business Library (SIBL) > Patents and Trademarks Home

Trademarks Searching Tools

The Science, Industry and Business Library's (SIBL) trademark collection includes:

The Science, Industry and Business Library (SIBL) has both print and electronic resources for finding trademarks.

Search Tools

Cassis
The U.S. Patent and Trademark Office's CD ROM database allows users to search through all the currently registered and pending US trademarks. Users may search by words in the trademark, design codes (for logos, drawings and graphics), owner name, and international class of goods and services.

United States Patent and Trademark Office (www.uspto.gov)
The USPTO's web page offers excellent information on all aspects of trademarks, including trademark searching for full text and logos, fee schedules, online versions of their most popular brochures, forms, and background information on trademarks.

Directory of US Trademarks
This 11 volume set of books allows users to search through all US Trademarks registered as of the data of publication. Users may search by words in the trademark and by international class of goods and services.

Index of US Trademarks
This annual publication of the US Patent and Trademark Office lists all of the registered trademarks current for the year of publication.

Design Search Code Manual
This manual allows users to translate a logo, drawing, or graphic into design codes that can then be used in Cassis to search for other trademarks with similar or identical designs in them.

Brands and Their Companies
Companies and Their Brands
International Brands and Their Companies
International Companies and Their Brands
These four books link brand names with their companies and company addresses. The international volumes are an excellent source of foreign trademarks.

Dictionary of Trade Name Origins by Adrian Room.

Standard Directory of Advertisers
This set of books lists advertisers (i.e. companies who advertise) and their advertising agencies. The index volume includes a Tradename Index and is an excellent source of trademarks that lists both the owner of the trademark and the advertising agency that handles the account. This sources is good for both US and foreign trademarks.

Advertising Red Books Online (EIC)
This CD ROM version of the Standard Directory of Advertisers allows you to search by product name. It retrieves both the owner of the trademark and the advertising agency that handles the account. This sources is good for both US and foreign trademarks.

Thomas Register of American Manufacturers (print and CD)
Thomas Food Industry Register
These sources, available in both print and electronic format, lists products and their manufacturers and includes a product name index.

Other resources for searching for trademarks: Use catalogs and directories specific to the industry or product line you are interested in. These types of sources will often include products whose trademarks are not registered with the US Patent and Trademark Office, but rather with a state trademark office or a foreign government.

Searching Guides

Searching US Trademarks with Cassis
This guide gives step by step instructions on how to use the US Patent and Trademark Office's CD ROM product to search all the registered and pending federal trademarks. Copies are available at the EIC Desk and in electronic format and in a version with fewer graphics.

Classes

Introduction to Trademarks
This class gives a general introduction to US trademarks and SIBL's trademark resources, and it gives step-by-step instructions on how to conduct a trademark search. It is taught by a SIBL librarian and is offered free of charge, in SIBL's Electronic Information Center. For a current schedule of class dates and times, see SIBL's Schedule of Classes.