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Trademark Searching: Home

Websites About Trademark Searching

USPTO Trademark Process - See links for Trademark Basics, Search Marks, File Forms Online, etc.

UCF - How to Research U.S. Trademarks on the Web

Rice - Guide to Trademark Searching

Brown & Michael's: How to Do a Trademark Search - Start your trademark search on the US Patent and Trademark Office's "TESS" search system.

Legal Information Institute: Trademark Resources - Notice there are two tabs: "Overview" and "Resources." Check them both out.

Findlaw - How to Search for Trademarks 

Nolo - How to Do a Trademark Search


Trademark Information Videos

The USPTO supports TMIN, the Trademark Information Network.  Here you can view news broadcast-style videos that cover important topics and critical application filing tips. 

Videos address the following topics:

  • Introduction to the USPTO and Trademark Basics;
  • Before you file;
  • Searching;
  • Applicant information;
  • Drawing issues;
  • Goods and services issues; 
  • Filing basis information;
  • Specimen issues;
  • After you file;
  • Post-registration issues; and
  • Counterfeit Goods: What's the Harm?

CALI Lesson for Trademarks

Course Description


Trademark Law

Course Description

This course surveys the legal rules and policies governing how producers of goods and services use trademarks, logos, product designs, and other devices to identify the source of their goods and services in order to protect their good will and prevent confusion in the marketplace. The course focuses primarily on the federal trademark statute and its recent amendments, as applied in both the traditional and electronic marketplaces.

Databases for Locating Registered Trademarks

U.S. PTO Trademark Electronic Search System (TESS) - TESS offers online searching of existing trademark application and registration information, and provides public access to the same text and image database of trademarks as is currently provided to examining attorneys at the U.S. Patent and Trademark Office. 
   --  View TESS Help Menu that explains TESS fields, search options, and search operators. 
   --  Read the TESS Tips for useful search information. 
   --  For video instruction on using TESS, see the video linked in the box below.

WestlawNext - Trademarks -This database includes trademarks, service marks and pending applications registered in the U.S., Canada and some European states. Select the Federal/State/Region link you want and then click on "Advanced"; this will open up a template to use in creating your search.

Using TESS: Video Instruction

Nolo's intellectual property expert Rich Stim explains how to conduct a quick trademark search at the United States Patent and Trademark Office (USPTO) website.

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