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Library Research Guides

Patents and Trademarks

This subject guide provides a starting point for research in patents and trademarks at the Patent and Trademark Resource Center at the AAEL at University of Michigan.

Searching for Trademarks

WWW Trademark Searching

The United States Patent and Trademark Office (USPTO) has in recent years made some of their resources available over the World Wide Web. The USPTO now offers free WWW searching for trademarks. The USPTO trademark database is called TESS (Trademark Electronic Search System). Please see the USPTO website for exact coverage.

Resources available at the USPTO website:

For a complete list of services offered by the office, please see the USPTO's website.