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Patent and Trademark Information

The UW Engineering Library is a United States Patent and Trademark Resource Center (PTRC) as designated by the United States Patent & Trademark Office (USPTO).

UW Engineering Library Patent and Trademark Searching Guides / Patent and Trademark Information

Includes step-by-step guides to conducting a patent or trademark search using the U.S. Patent & Trademark Office (USPTO) web databases, as well as additional patent and trademark research and information resources and links to USPTO information for trademark and patent applicants.

United States Patent and Trademark Resource Center

The United States Patent and Trademark Office (USPTO) provides tools and training for patent and trademark research to libraries throughout the country.  These Patent and Trademark Resource Centers or PTRCs (formerly known as Patent and Trademark Depository Libraries or PTDLs) make the research tools available to the public.

The University of Washington Engineering Library is the PTRC for Washington State.

Research resources available at all PTRCs include:

  • U.S. Patent & Trademark Office website, including access to the USPTO's patent and trademark web databases.
  • Publications and tools made available by the USPTO.
  • Assistance in the use of the patent & trademark search tools and research materials.

The USPTO maintains a complete list of PTRCs with links at http://www.uspto.gov/go/ptdl


NEW: On September 16, 2011, the Leahy-Smith America Invents Act (AIA) was signed into law.  The USPTO has an online guide with information about the American Invents Act and its implementation, including effective dates for the provisions.


Disclaimer: While the Library reference service staff is happy to provide assistance with your search, we cannot perform searches, assist with your application or dispense legal advice.

The University of Washington and its employees are providing a service of an informational nature with no express or implied warranty for results and assume no obligation or liability for damage arising out of the use, or inability to use, the information provided. Every effort is made to keep this information up to date. However, errors and omissions may occur.

For the most up-to-date information or legal advice, please contact a patent or trademark attorney.