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The Patent and Trademark Depository Library
at Oklahoma State University maintains a collection of resources from the U.S. Patent and Trademark Office necessary for preliminary patent and trademark research.

We offer assistance with PRELIMINARY patent searches (U.S.) BY APPOINTMENT and trademark searches (federal) by phone. Location and directions.

Contact us (405) 744-6546 if you need:

Contact a patent attorney for a complete patent search and for legal advice.


The Library has been designated by the U.S. Patent and Trademark Office to support the intellectual property needs of the public since 1956. It is the only PTDL in the state of Oklahoma.

The services offered by the Patent & Trademark Library are free and staff are available to answer your patent and trademark related questions.


For more information on Patents:
See General Information Concerning Patents. Contact the Inventors Assistance Center or see Inventor Resources at the USPTO. See also:


      · How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy
      · From Concept to Protection

For more information on Trademarks:
See Basic Facts About Trademarks. See the Trademark Information Network for help with filing. Contact the Trademark Assistance Center at the USPTO for assistance.

     · Contact the Business Knowledge Specialists at the Research Wizard in Tulsa for comprehensive trademark research.

For Business Assistance:
Contact a Small Business Development Center or a Technology Center for questions about starting or expanding a small business in Oklahoma.
     · See programs of SCORE, Grow Oklahoma/Starting a Business, OKStartup.com, and the Love's Entrepreneurship Center at OCU.
     · Contact the Oklahoma Center for the Advancement of Science and Technology and i2E for assistance with technical projects.
     · Contact the Business Knowledge Specialists at the Research Wizard in Tulsa for market research, industry analysis, etc.
     · Contact the Food & Agricultural Products Center at OSU for information on food products
     · InventNET The Inventors Network
     · Invention Development and Marketing Scams


Maintenance Fee Branch (Contact to determine patent status)
Patent classification resources
Search templates

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  Oklahoma Inventors Database 1880-1907

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