Patent searches
Some of the commonly used opensource patent databases
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.
US 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.
Espacenet is an EPO database containing over 110 million patent documents - full technical descriptions and drawings of inventions - from over 100 countries. With its worldwide coverage and search features, Espacenet offers free access to information about inventions and technical developments from 1782 to today.
FDA Electronic Orange book - for generics and trade name searching of actives approved by the Food and Drug Administration in the United States. Patent numbers can be found here.
Commercial patent and non-patent databases
The Following Commercial databases can only be accessed at Business Linkage, Innovation, Incubation and Technology Transfer Office of University of Peradeniya. In order to access these databases please contact the Technology Manager, BLII-TTO. Please note that these databases have limited access and are available only few days per month.
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- Japan- https://www.j-platpat.inpit.go.jp/
- Korea- http://eng.kipris.or.kr/enghome/main.jsp
- Australia- http://pericles.ipaustralia.gov.au/ols/auspat/quickSearch.do
- Biotechnological US patents- http://www.ers.usda.gov/Data/AgBiotechIP/
- Canadian- http://brevets-patents.ic.gc.ca/opic-cipo/cpd/eng/introduction.html
- European Coating- http://www.european-coatings.com/
- New Zealand - http://www.iponz.govt.nz/cms/patents/banner_template/IPPATENT
- UK- http://www.ipo.gov.uk/patent.htm/
- German- http://depatisnet.dpma.de/.
- Latipat- http://lp.espacenet.com/(allows searching of patents from many Latin American countries. The documents cannot be searched using the English language)
- Chinese- http://english.sipo.gov.cn(provides searching in English with machine translation)
- Eurasian- http://www.eapatis.com/ensearch/(provided in the English language)
- Egyptian- http://www.egypo.gov.eg/Search/default.aspx
- African(ARIPO / OAPI)- http://worldwide.espacenet.com/advancedSearch?locale=en_EP(can be accessed by typing oa or ap as the publication number)
- Freepatentsonline - http://www.freepatentsonline.com/search.html(free site for searching US patents, EP documents, PCT patent applications and JP abstracts on the web.)
- Spanish Patents and Utility Models - http://www.oepm.es/en/index.html# or http://www.oepm.es/en/index.html (in the English language)
- Indian Patent applications - http://ipindiaservices.gov.in/publicsearch or http://www.pfc.org.in/db/db.htm
- Singaporean Patent - http://www.ipos.gov.sg/Services/FilingandRegistration/GettingStartedwitheServices/eSearch.aspx (allows searching of Singaporean published patents.)
- Indonesian patent database - http://www.dgip.go.id/# or http://e-statushki.dgip.go.id/
- Hong Kong patent database - http://ipsearch.ipd.gov.hk/patent/main.jsp?LANG=en
- Ukrainian patent database - http://www.ukrpatent.org/en/index.html (click the English link, free registration to search with limited functionality)
- Romanian patent database - http://www.osim.ro/index3_files/database/datab.htm
- Cambia patent database - https://www.lens.org/lens/ (life science patents and patent applications from the PCT, US, Australian and EPO databases )
