Subject guide for Patents

During your studies you may need to search for information about patents. Patents protect inventions giving the inventor exclusive rights. They protect the features, workings and appearance of a process or mechanism for a limited period of time.

Patent information web sites

Espacenet - information from the European Patent Office giving free access to over 90 million patent documents worldwide. Search using keywords, numbers or dates

Intellectual Property Office - Patents Publication Enquiry. Covers all GB applications published and granted after 3 January 2007 and all GB corrected documents published after 1 April 2010

USPTO - The United States Patent and Trademark Office. Full text database of U.S. patents from 1976

Google Patents - Search patent and patent applications from 17 patent offices around the world.

World Intellectual Property Organization (WIPO)- PATENTSCOPE. Search 73 million patent documents including 2.2 million published international patent applications (PCT).

Databases that include patent records

Full text may not always be available but links may be provided to the relevant patent office.

Dimensions - search over 38 million patents records from 10 patent offices.

SciFinder - chemistry and related science database. Includes worldwide patent documents covering all aspects of chemistry and chemical engineering

Web of Science - Use the Derwent Innovations Index to search worldwide patent records.

Scopus - Search over 39 million patent records from five patent offices.

IEEE Xplore - subject database covering electrical engineering, communications and computer science. The “cited by” link in article abstracts includes U.S. and European patents that cite the particular article

Further useful web sites

WIPO Directory of Intellectual Property Offices - A-Z list of intellectual Property Offices from the World Intellectual Property Organization

Intellectual Property Office - official UK government body responsible for granting Intellectual Property (IP) rights

British Library - Patents Collection - information about the British Library’s national collection of patents

British Library - Business & IP Centre -
information about patents, trademarks and other forms of intellectual property


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