Patent Searching on the U.S. Patent & Trademark Office Databases
Inventors are encouraged to search the USPTO’s patent databases to see if a patent has already been filed or granted that is similar to your patent. Patents may be searched in the USPTO Patent Full-Text and Image Database (PatFT). The USPTO houses full text for patents issued from 1976 to the present and PDF images for all patents from 1790 to the present. Click on the link below to search for a patent(s):
Search and find patents online using official databases like Espacenet, the European Patent Register and the European Publication Server.
This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections.
Google Patent Search
Seven Step Search Strategy
The Seven Steps in a Preliminary Search of U.S. Patents and Published Patent Applications
A Seven Step Strategy for conducting preliminary searches of U.S. patents and published applications using free online resources of the USPTO and the EPO (European Patent Office). Patent and Trademark Centers (PTRCs) are available nationwide to provide training on this Seven Step Strategy. Clink on the link below for more information.
Seven Step Strategy Tutorial and Handout
The Patent and Trademark Resource Center Program also provides a CBT (computer based training) tutorial with a detailed review of the Seven Step Strategy. The current CBT covers searching using U.S. Patent Classification.
A detailed handout of the Seven Step Strategy with examples and screen shots.
Patent Tutorials: Which one is right for you?
Patent Searching on the Internet - For inventors, researchers, students and enthusiasts.
Patent Application Searching - For inventors and innovators.
Patent Statistics - Consider Patent Statistics if you are researching industries, companies and technology.
Used courtesy of McKinney Engineering Library, University of Texas
Patent & Trademark Offices
Arkansas' Only Patent Resource Center
The Arkansas State Library is designated a Patent and Trademark Resource Center (PTRC) by the United States Patent and Trademark Office (USPTO). The only PTRC in Arkansas. The Library has access to patents from 1790 to the present and trademarks from 1955 to the present. As a PTRC, The Arkansas State Library offers access to the following materials and services:
- Patent Search Assistance & Training Opportunities
- Supplemental Reference Materials
- Backfile Collections & Current Issues of Patents
- Official Gazette for Patents
Need more information? Our USPTO trained reference staff is happy to answer questions and provide training to inventors, businesses, attorneys and their staff or other interested persons with their U.S. patent issues.
From Our Collection
Arkansas State Library Patent Conference, Day 1
Arkansas State Library Patent Conference, Day 2