Search Patents

Paid Sites

  • Thomson Reuters
  • Thomson Innovation
  • Thomson Data Analyzer
  • Cipis clairvolex Indian intellectual property information database
  • Mapco’s
  • Derwent
  • DelphionAccessing the Patent Information, Research and analysis Tools.
  • STN Online Database Service Providing global access to Published Research, journal literature, patents , structures , sequences ,properties and other data.
  • Westlaw Patents
  • Aureka
  • Dialog
  • Lexis-Nexis
  • Get The
  • IP-Discover
  • Questel Orbit Patent Database offers a complete suite of online tools that facilitate innovation capture, competitive technological intelligence, prior-art searching, patent portfolio valuation and licensing activities
  • IFI Claims Databases

Free patents online

Non-Patent Databases, Research papers, Journals, online books etc

  • Google Scholar
  • Science Direct - is a leading full-text scientific database offering journal articles and book chapters from more than 2,500 journals and almost 20,000 books.
  • Pubmed/Medline - US National Library of Medicine National Institutes of Health

Domain Specific Databases

  • IEEE - Professional Association for advancement of Technology
  • ACM - Association for computing machinery
  • ITU – (International Telecommunication Union) is the United Nations specialized agency for information and communication technologies.
  • Marpat - Database containing the keys to substances in patents
  • SciFinder provides researchers with unlimited access to the world’s largest collection of chemistry and related science information.
  • National Science Library The National Science Digital Library
  • PU- BChem Structure - National center for Biotechnology Information
  • STN

Worldwide Patent Offices


  • Indian patent office‎ Indian Patent Searchable Database Ekaswa comprises three separate search interfaces for its three databases:
  • A: “Patent applications filed in India as published in the issues of the Gazette of India (Part III, Section 2) from January 1995 to December 2004.”
  • Ekaswa B: “Patent applications notified for opposition in the Gazette of India (Part III, Section 2) published from January 1995 to December 2004.”
  • Ekaswa C: “Patent applications published in official Journal of Patent office published from January 2005 onwards.”
  • Council of scientific and industrial research, the premier R &D Organization in India.
  • (Patent application status)
  • – (Controller General of Patents)
  • Patent Facilitating center under Technology Forecasting and assessment council.
  • Patent Facilitating centre under Technology Forecasting and assessment council.
  • § Patent Facilitating center under Technology Forecasting and assessment council
  • Office of the Patent Information System, Nagpur Provides for the patent search services. The PIS offers patent information services, patent search services etc on payment of appropriate charges. Their patent search services include
  • State of Art Search
  • Bibliographic Search
  • English Equivalent Patent Search
  • Equivalent Family Patent Search
  • Assisted Search


Sl. No.

Name of the Search Tool

Nature of Carrier



1 INPADOC MICROFICHE Bibliographic data including title of patents from more than 70 countries 1968 To Aug. 1998
2 EPIDOC CD-ROM(NDB/PFS/PCS) Bibliographic data including title of patents from more than 70 countries 1998 To 2005
3 ESPACE/ACCESSESPACE ACCESS-MIMOSA CD-ROM Bibliographic data and abstracts of EPO patents and Bibliographic data of PCT applications 1978 to July 2005
4 ESPACE –ACCESS EUROPE CD-ROM Bibliographic relating to patent application from BE, CH, LU, NL, UK, PT 1990 To Dec. 2004


EPC CD-ROM Bibliographic data from 29 member states 2005 To Sept. 2007


GLOBAL PAT CD-ROM Bibliographic data and abstracts of CH, DE, FR, EP, GB, US, and WO patents 1971 To May 2000
7 US-CAPS/APS CD-ROM Bibliographic data and abstracts of US patents 1975 To 2004
8 GAZETTE OF INDIA PART III Sec. (2) PAPER Notifications issued by the Patents Office regarding Indian Patents 1963 To Dec. 2004


PATENT ABSTRACT OF JAPAN (PAJ) CD-ROM Bibliographic data and abstracts of Japanese patents 1976 Onwards
10 BREF CD-ROM Bibliographic data and abstracts of FR, EP and WO, 1978 To Dec. 2007 (in French Language)


Name of the Country

Country Code

Name of Information Carrier


United States of America


MicrofilmCD/DVD-ROM 1951 To 19921836 onwards
United Kingdom


MicrofilmCD-ROM 1969 To 19921979 To 2008
European Patent Office


MicrofilmCD-ROM 1981 To 19841985 To 2005


CD-ROM 1978 To 2007


MicroficheCD-ROM 1975 To 19971998 To 2004


Paper 1912 To 1999Patent No. ( 1 T0 182590)


CD-ROM 1994 onwards (in Japanese Language)

WIPO Patent Database

External Databases

  • Australia
  • Canada
  • Chile
  • China
  • Czech Republic
  • European Patent Office
  • Eurasian Patent Organization (EAPO)
  • Finland
  • France
  • Germany
  • Hungary
  • India
  • Ireland
  • Japan
  • Latin America
  • New Zealand
  • OHIM (Office for Harmonization in the Internal Market)
  • Republic of Korea
  • (Korean Traditional Knowledge Portal)
  • Romania
  • Russian Federation
  • Singapore
  • Slovakia
  • Slovenia
  • Spain
  • Switzerland
  • Thailand
  • United Kingdom
  • United States of America


Africa Regional (ARIPO)


UK Patent Office

People’s Republic of China.


The Republic of Korea





Hong Kong Patent Office

IP Australia


Worldwide Patent Offices

Drug Approvals and Databases

US Food and Drug Administration

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