Answered By: Kate Britt
Last Updated: Apr 20, 2018     Views: 3

United States Patent and Trademark Office (USPTO)

This comprehensive free website covers all U.S. patents from 1790, full-text and allows for searching by patent number, inventor, classification number, keywords among other parameters. You may also search by the Manual of Patent Classification and the Official Gazette.

U-M Art, Architecture & Engineering Library (AAEL)

The Art, Architecture & Engineering Library is a Patent and Trademark Resource Center (PTRC), meaning it is designated by the USPTO to disseminate patent and trademark information and to support the diverse intellectual property needs of the public.

  • Online Research Guide. The research guide, linked above, provides guidance for patent searching. 
  • Duderstadt Center. Patrons may also visit the AAEL on North Campus and obtain in-person help with patent searching. (Note: The Duderstadt Center was formerly known as the Media Union.)

LexisNexis Academic

Under "Search by Subject or Topic," choose "Patent Search." Includes full-text patents and drawings.

Detroit Public Library

The Detroit Public Library is also a Patent and Trademark Resource Center. Patents not found at the AAEL on campus may be located at the DPL.

Google Patents

This site indexes millions of patents from 17 different patent offices, including the United States Patent and Trademark Office, European Patent Office, China's State Intellectual Property Office, Japan Patent Office, Korean Intellectual Property Office, World Intellectual Property Organization, Deutsches Patent- und Markenamt, Canadian Intellectual Property Office, Russia, UK, France, Spain, Belgium, Denmark, Finland, Luxembourg, the Netherlands.

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Find a Specific Book or Database

Looking for a specific book, journal, database, or electronic resource? Search the Law Library catalog by keyword, title, subject, and more.