| IPR India | http://www.ipindia.nic.in/ |
| IP services India | http://ipindiaservices.gov.in/ |
| Patent Facilitating Centre | http://www.pfc.org.in/index.html |
| Rajiv Gandhi National Institute of Intellectual Property | http://www.ipindia.nic.in/rgniipm.html |
| Patent Search | |
| WIPO (World Intellectual Property Organization) Patentscope | https://patentscope.wipo.int/search/en/structuredSearch.jsf |
| USPTO (United States Patent and Trademark Office) | https://www.uspto.gov/patents-application-process/search-patents |
| IP India | https://ipindiaonline.gov.in/tmrpublicsearch/ |
| InPass (Indian Patent Advanced Search System) | http://ipindiaservices.gov.in/publicsearch/ |
| Google Patents | https://patents.google.com/ |
| Espacenet (European Patent Office- Patent Search) | https://worldwide.espacenet.com/ |