Patents and Trademarks

U.S. Patent & Trademark Office - Full-Text Patent Database A searchable database of full text data and images from all U.S. patents issued since 1976. The USPTO website also offers tools to access patents from 1790 to present such as: Index to the U.S. Patent Classification System, Manual of Classification, Classification Definitions Class/subclass listings of patents, Access to patent images

esp@cenet - European Patent Office Database Over 30.5 million documents including the most recent 24 months of publications from the European Patent Office, recent 24 months of PCT-publications from World Intellectual Property Organization (WIPO), the EPODOC database for "worldwide documents" where coverage varies by country (with US Patents from 1836 to present), or Japanese Documents - PAJ (Patent Abstracts of Japan) bibliographic database since 1976.

Japan Patent Office In addition to patent searching (Patent Abstracts of Japan), the Japanese patent office now offers trademark searching, although the only English searching capability is to search "well-known" Japanese marks.

Google Patent Search Full text searching of patents since 1836 with some errors from digitization.  Use the Advanced Search to look by select patent data or dates.

United States Patent and Trademark Office The comprehensive site from the United States Department of Commerce that offers an overview of this agency as well as information about nearly anything the inventor would like to know about patent and trademark policies and procedures.

Patent Search Tutorial Developed by Penn State Librarians, this tutorial will help you to understand the process and procedure in searching for patents.

The Trilateral Co-operation Established in 1983 between the European Patent Office (EPO), the Japan Patent Office (JPO) and the United States Patent and Trademark Office (USPTO)

Penn State Intellectual Property Office The Intellectual Property Office is responsible for managing, protecting, and licensing the intellectual property of faculty, graduate students, and staff at all Penn State locations.

Patent Searching Made Easy A guide to patent searching on the internet and in the library (2000).

Patent searching : tools & techniques A practical guide to the art and science of this task, along with essential information on patent law, patent search theory, and practice.