Skip to main content
Library Research Guides


Provides a starting point for research in Entrepreneurship.

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.

For More Information

For more information on Patents and Trademarks, please visit our Patents and Trademarks Research Guide.

For more information on Copyright, please visit our Copyright Basics Research Guide.

Patent Application Process

Did you know that . . . 
  • It takes approximately 33 months to register a patent in the U.S. - from initial filing to when the patent is granted.
  • The USPTO has approximately 7,000 Patent Examiners on staff.
  • There is a backlog of approximately 600,000 unexamined patent applications.
  • The cost of obtaining a patent:
    • Draft and file U.S. non-provisional application: $7,500 to $12,000
    • Respond to each Office Action: $1,800 to $3,200
    • Issue fee and final review: $1,200
    • Maintenance fees (small entities): $65 (3.5 yrs), $1,425 (7.5 yrs), $2,365 (11.5 yrs)
    • Total:  $14,855 to $20,755
    • From: Patently False: the Hard Truth About Patents, Jason T. Nickla. Inventors Digest, vol 27, issue 6: June 2011. pp. 28-29

. . . so the sooner you get started on your patent application research, the better!

For more information, please visit the USPTO Patent Data Visualization Dashboard. 

Searching for Patents

If you intend to make, use, or sell an invention of yours, you should find out whether someone else has created something like it already. You have a number of options when it comes to searching for patents. Below are some patent searching sites.